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PARASITOLOGY Flashcards

1
Q

Question about practice or belief ng asian country in treating asthma kaya nagkakaroon ng pentastomid cases sa mga human.

a. Scale of snake in wine
b. Eating of gecko
c. Eating of snake

A

B. Eating gecko

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2
Q

Myiasis is commonly observed in what spp.?

a. Lizard
b. Snake (rare)
c. Turtle
d. frog

A

C. Turtle

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3
Q

Monieza spp. intermediate host.

A

ORIBATID MITE

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4
Q

Other question is binigay yung I.H (GRASSHOPPER) and what parasite yung choices.

a. DICROCOLEUM
b. EURYTREMA

A

B. Eurytrema. Dicrocoelium IH are ants/formics

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5
Q

Vectors of leshmaniasis.

A

SANDFLY

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6
Q

What parasite is controlled when using acaricides?

A

BABESISA

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7
Q

One question is how to control ceratophagonidae (no-see-ums, or biting midges,)?

A

Combined larvicidal and adulticidal treatment

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8
Q

Why rotational grazing is effective in controlling R. sanguineus?

a. One host tick
b. give time for the free stages of ticks to die
c. tick is sensitive to environment

A

B. give time for the free stages of ticks to die

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9
Q

Nematodal resistance in cattle.

A

Benzimidazole??

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10
Q

Plasmodium in avian.

A

Avian malaria is a vector-transmitted disease caused by protozoa in the genera Plasmodium and Haemoproteus; these parasites reproduce asexually within bird hosts and both asexually and sexually within their insect vectors, which include mosquitoes (Culicidae), biting midges (Ceratopogonidae), and louse flies

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11
Q

Shape of monieza benedeni?

a. Cuboidal
b. Rhomboid

A

A. cuboidal

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12
Q

Black diseases is common in what spp?

A

Sheep

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13
Q

What is the difference between f. hepatica and f. gigantica?

A

gantica are longer but narrower, with a smaller shoulder, more anterior testes, larger ventral sucker and shorter cephalic cone compared to F. hepatica. In addition, the branching pattern of the caeca, ovary and testes is different in both species.

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14
Q

How much blood is sucked by tapeworm per day?

A

.5ml blood per day

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15
Q

Ich life cycle ( in order stage of trophont-tomites)

A

1) the on-fish, feeding TROPHONT;
2) the environmental, reproducing TOMONT; and
3) the infective, fish-seeking THERONT/TOMITES

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16
Q

Parasites of rhesus monkey.

A 
Prosthenorchis spp.
Capillaria Spp.
Primasubulura jacchi
Entamoeba
Strongyloide
Hymenolepis
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17
Q

Larva migrans.

A

Cutaneous - Ancylostoma

Visceral - Toxocara

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18
Q

Coccidians treatment and disinfection,

A

Ammonium Hydroxide has been reported as a highly effective disinfectant against oocysts. An old but effective system to control coccidiosis in an empty house is use of slated lime and ammonium sulphate: per 100 m2 floor surface 10 kg of Calcium Hydroxide (slated lime) and 20 kg of Ammonium Sulphate (fertiliser) is spread on the floor and approximately 100 litres of water is sprayed on top. This will produce a high level of ammonia, killing the oocysts. It also produces a gypsum, which will help to cover remaining oocysts in cracks in the floor. Use a proper gasmask when applying this system!

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19
Q

Coccidians treatment and disinfection,

A

Ammonium Hydroxide has been reported as a highly effective disinfectant against oocysts. An old but effective system to control coccidiosis in an empty house is use of slated lime and ammonium sulphate: per 100 m2 floor surface 10 kg of Calcium Hydroxide (slated lime) and 20 kg of Ammonium Sulphate (fertiliser) is spread on the floor and approximately 100 litres of water is sprayed on top. This will produce a high level of ammonia, killing the oocysts. It also produces a gypsum, which will help to cover remaining oocysts in cracks in the floor. Use a proper gasmask when applying this system!

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20
Q

Predilection site of myiasis.

A

Around the nose, eyes, anus, genitalia, or neglected wounds.

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21
Q

Size of the female Macracanthorhyncus hirudianceus?

A

35mm

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22
Q

Ascaris size?

A

50-60 cm? 10-12 inches?

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23
Q

Paragonimus kellicoti.

A

crayfish

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24
Q

Psoroptes Life cycle duration.

A
  • around 10 days
    The Adult female is capable of laying up to 100 eggs during her life time, which is usually just one month. The duration of the life cycle is around 10 days, and consists of two nymphal stages.
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25
Q

Prepatent period of Trichuris?

A

The prepatent period of T. vulpis is 74 to 90 days.

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26
Q

Merozoites are product of?

A

ASEXUAL REPRODUCTION

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27
Q

Syngamy-

A

SEXUAL

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28
Q

Macracanthorhyncus diameter?

A

9mm? 6mm?4mm?

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29
Q

One host tick?

A

Dermacentor albipictus

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30
Q

Chorioptes bovis –

A

NON JOINTED PRETARSI

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31
Q

Brown stomach worm or medium worm?

A

Ostertagia ostertagi

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32
Q

Ichythyophthyrius —

A

white spot

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33
Q

Eimeria aurata in what animal ?

A

GOLDFISH

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34
Q

Fasciola of elephant.

A

F. hepatica

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35
Q

Help in pathogenesis of Black disease?

A

F. Hepatica? F. magna? ( 2 questions)

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36
Q

Dirofilaria is transmitted by

A

MOSQUITOES.

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37
Q

Eimeria that affects the upper intestine except.

A

E. brunetti.

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38
Q

Not zoonotic?

A

Anaplasma marginale?

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39
Q

Pleistophora hypessobryconis

A

ausative agent of “neon tetra disease,”

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40
Q

Surra came from a word (blank) that means?

a. Hoarse
b. Wheezing

A

b. Wheezing

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41
Q

Uses Oribatid mites as its IH-

A

ANOPLOCEPHALA

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42
Q

Rat tailed appearance?

A

Oxyuris equi

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43
Q

Esophageal sarcoma?

A

Spirocerca lupi

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44
Q

Thysanoma actinoides-

A

LIVER

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45
Q

Carrier of Infectious enterohepatitis-

A

Heterakis gallinarum

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46
Q

Syngamus trachea-

A

in copula

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47
Q

Fungus Pilobolus is important in the dissemination of its larvae in the pasture?

A

Dictyocaulus viviparus

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48
Q

Cutaneous larva emigrans—-

A

Ancylostoma braziliense

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49
Q

IH of Thorny headed worms?

—ang alam ko is Dung Bettle, pero walang dung beetle sa mga choices

A

crustaceans, insects, and annelids.

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50
Q

Toxoplasma gondii

A

Toxoplasma gondii is a protozoan parasite that infects most species of warm-blooded animals, including humans, and causes the disease toxoplasmosis.

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51
Q

Monieza benedeni-

A

square shaped egg

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52
Q

Hematobia irritans-

A

Fresh cattle manure

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53
Q

IH of macracanthorynchus

A

Millipedes (stateboard question)

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54
Q

IH of sacrocyst

A

PIGS, Cattle

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55
Q

Hydatidosis in man

A

Spirometra mansoni

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56
Q

Hydatodisis in man (2nd question)

A

Echinococcus

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57
Q

Life cycle of whip worm(Trichuriasis)

a. 1week
b. 1 month
c. 2 months
d. 3 months

A

d. 3 months

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58
Q

IH of angiostrongylus cantonensis(rat lungworm)

a. Fish
b. Copepods
c. Crustacean
d. All

A

c. Crustacean

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59
Q

IH of eimeria perforans

A

Rabbit

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60
Q

Cockroach feeds on, except?

A

Fresh vegetable, sputum, dead insect, food?

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61
Q

Cockroach transmit which disease?

A

Enterobacteria? Lepto?TB?

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62
Q

Thickness of male macracanthorynchus

A

4-10 mm

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63
Q

Ascaris suis maximum length

A

12-15 inches (40 cm)

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64
Q

The intermediate host for Macracanthorhynchus hirudinaceus (Thorny headed worm) is usually a

A

scarabaeoid or hydrophilid beetle;

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65
Q

Which is present at the Liver

a. Platynosomum fastomum
b. thysanosoma
c. dicrocoelium
d. s. globipunctata

A

a. Platynosomum fastomum - liver flukes of cats/
c. dicrocoelium- lancet liver fluke (cattle)

b. thysanosoma- bile duct, pancreatic duct
d. s. globipunctata - duodenum and jejunum

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66
Q

Hermaprodite, except

A

Schistosoma

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67
Q

Adult hematobia irritans can be seen in

A

Milking shed, barn, steer’s back

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68
Q

Hematobia irritans

A

Fresh manure

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69
Q

Does not need 2 IH?

A

Fasciola hepatica

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70
Q

Fluke of sheep

A

Fasciola hepatica

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71
Q

Blackhead dss?

A

Histomoniasis/an important poultry disease that affects turkeys, chickens, and game birds such as partridges, pheasants, and quail. The disease is caused by the protozoa Histomonas meleagridis, tiny, single-celled organisms that are spread to the bird by the roundworm Heterakis gallinarum.

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72
Q

Horse bot fly lifecycle

A

1-2 days

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73
Q

Not zoonotic

A

Anaplasma marginale

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74
Q

Which fish with whirling disease?

A

Whirling disease is a disease of salmonid fish, the family of fish that includes trout, salmon, and whitefish. The disease is caused by an invasive parasite known as Myxobolus cerebralis.

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75
Q

Eimeria aurata

A

Most pathogenic coccidia of gold fish

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76
Q

Psoroptes Life cycle?

A

12 days

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77
Q

Control of texas cattle fever via elimination /control of boophilus annulatus was successful because

A

Boophilus annulatus is a one host tick (question from CapCvet)

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78
Q

Cockroaches are considered scavengers, but they do not eat this?

A

Dead inscets, trash and feces, leafy greens?

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79
Q

Apamonna

A

Reptiles

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80
Q

Length of dioctophyma renale (giant kidney worm,)?

A

Adult male worms are 20–40 cm long and 5–6 mm wide;

females can grow to 103 cm in length with a width of 10–12 mm

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81
Q

Helminth with 2 spicules, except?

A

Trichinella

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82
Q

Drug against trematode and cestode?

a. Praziquantel
b. Mebendazole
c. Febantel

A

a. Praziquantel

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83
Q

1 host tick

A

Albipictus

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84
Q

Which has short pedicels?

A

Choriptes

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85
Q

Fasciola of elephant?

A

F. hepatica

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86
Q

Fasciola not seen in liver?

A

Fasciolopsis buski? (small intestine)

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87
Q

Modified sheater’s solution.

a. Dextrose
b. Corn syrup

A

b. Corn syrup

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88
Q

Merozoite

A

Schizogony

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89
Q

Hyoderma bovis

A

Grubby tail

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90
Q

Cutaneous larval migrans in man

A

Ancysolstoam brazilienze

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91
Q

Taenia solium

A

Pig and man

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92
Q

Taenia saginata

A

Ruminant

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93
Q

Smallest and most pathogenic poultry tapeworm

A

Davainea proglottina

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94
Q

Granular coccidiosis in carps

A

Eimeria subepithelialis

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95
Q

Cutaneous leishmaniasis

A

Leishmania tropica

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96
Q

Visceral leishmeaniasis

A

Leishmania donovanii

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97
Q

An infection in man that can be acquired or congenitally through pregnancy causing serious mental retardation.

A

Toxoplasma gondii

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98
Q

Carrier of blackhead

A

Heterakis gallinae

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99
Q

Coccidiosis in rabbit

A

Eimeria stiedae

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100
Q

Oesophagheal worm

A

Spirocerca lupi

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101
Q

Square-shaped egg

A

Moniezia benedini –cattle

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102
Q

Triangle-shaped egg

A

Monieizia expansa – sheep or goat

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103
Q

Barber’s pole worm

A

Hemonchus contortus

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104
Q

Three host tick

A

Dermacentor variabilis

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105
Q

Protozoa in liver of rabbit

A

Eimeria stiedai

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106
Q

Cnemodecoptes mutans affects which animal

A

Fowl

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107
Q

Eimeria subepithelialis

A

Carp

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108
Q

Stable fly/ Stomoxys calcitrans

A

Stable flies are obligate blood feeders, and primarily attack cattle and horses for a blood meal. In the absence of these animal hosts, they will bite people and dogs.

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109
Q

Horse fly

A
  • feces
  • Horse fly, any member of the insect family Tabanidae (order Diptera), but more specifically any member of the genus Tabanus.
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110
Q

Eosinophilic meningoencephalitis

A

A. cantonensis

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111
Q

Angiostrongylus cantonensis

A

Rat lungworm

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112
Q

Most pathogenic tapeworm of poultry

A

Davaniea proglotinna

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113
Q

Length of Macracanthorynchus hirudinaceus

a. 30 um
b. 20 cm
c. 35 cm
d. 65 cm

A

Adult females measure 18–65 cm long by 4–10 mm wide;

adult males measure 5–10 cm long by 3–5 mm wide.

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114
Q

Helminth of rainbow trout

A

Capillaria sp.

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115
Q

Animal affected by Surra

A

horses, donkeys, mules, deer, camels, llamas, dogs, cats, cattle,​ …

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116
Q

Dourine

A
  • Trypanosoma equiperdum
  • Silver dollar plaquess

Covering sickness, or dourine (French, from the Arabic darina, meaning mangy (said of a female camel), feminine of darin, meaning dirty), is a disease of horses and other members of the family Equidae

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117
Q

Malde caderas

A

Trypanosoma equinum

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118
Q

Sarcocystis hominis hosts

A

Human

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119
Q

transmission of Toxoplasmosis

a. Instant noodles
b. Roasted chicken
c. Cake
d. Bread

A

b. Roasted chicken (inadequate)

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120
Q

Eyeworms EXCEPT

A

Ascarops strongylina - A small bloodsucking worm found in the stomach of pigs and wild boars in many parts of the world

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121
Q

Leishmaniasis adleri

A

Lizard

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122
Q

Capillaria philippinensis transmission

a. Infected water
b. Freshwater fish
c ingestion of snail

A

b. Freshwater fish

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123
Q

Which if the ff. nematode species where egg cannot be found in feces during fecal exam?

A

Oxyuris equi

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124
Q

Both hyper- and autoinfection

A

Strongyloides stercoralis

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125
Q

Ff. tapeworms affecting fishes EXCEPT:

A

Avitellina

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126
Q

Neurocysticercosis in man

A

Taenia solium

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127
Q

Intermediate host thornyheaded worm

A

dung beetle

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128
Q

Digenea infect what?

A

digestive tract, but occur throughout the organ systems of all classes of vertebrates

mollusc and vertebrates

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129
Q

Monogenea

A

Monogenea are small parasitic flatworms mainly found on skin or gills of fish. They are rarely longer than about 2 cm.

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130
Q

“Gapeworm”

A

Syngamus trachea - always in copula

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131
Q

Nematode causing esophageal sarcoma in dog

A

Spirocerca lupi - esophageal worm of dogs

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132
Q

Nematode always in copula

a. Boschada,
b. Syngamus trachea
c. Schistosoma

A

b. Syngamus trachea

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133
Q

Fungus Pilobolus

A

Dictyocaulus viviparous

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134
Q

Square shape egg

A

Monieza benedini

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135
Q

Zoonotic Babesia

A

Babesia Microti

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136
Q

Barber pole worm in cattle

A

Haemonchus placei

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137
Q

Gongylonema pulchrum

A
  • common parasite of domestic swine, sheep, goats, and cattle, amongst other wild ungulate hosts.
  • only parasite of the genus Gongylonema capable of infecting humans(accidental host). up to 10 years and cause symptoms of local irritation in the oral cavity, esophagu
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138
Q

Three hosts tick

a. Dermacentor variabilis
b. R. evertsi

A

a. Dermacentor variabilis

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139
Q

Ornithostrongylus quadriradiatus

A

Nodule formation

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140
Q

Parasite of the domesticated pigeon

A

Ornithostrongylus quadriradiatus

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141
Q

Telamon can be found in which of the ff nematode?

A

Strongylids

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142
Q

Hematobia irritans

A

Fresh cattle manure

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143
Q

Granular coccidiosis in carp

A

Eimeria subepitheliasis

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144
Q

Which leg pair/s of female Knemidocoptes mites has/have suckers?

A

2,3 legs

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145
Q

3-4 qts about Gnathosoma spinigerum

A

Cause of human infection – ingestion of infected fish or frog

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146
Q

10 to 15 mm long white stout worms in python causing problems

A

Ascarids

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147
Q

Angiostrongylus cantonensis

A

Eosinophilic meningoencephalitis

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148
Q

Baermann method

A

Method to isolate infective larvae

149
Q

Rat-tailed appearance

A

Oxyuris equi

150
Q

Pseudoscolex

A

Fimbraria faciolaris

151
Q

Pairs inside cyst in lung parenchyma

A

Paragonimus westermani

152
Q

Not transmitted transplacentally

A

Toxocara cati (all other choices have transplacental transmission)

153
Q

The larvae of Stomoxys calcitrans develop in

a. Fresh cattle manure
b. Decaying hay or similar organic material
c. Soil
d. Quiet bodies of water

A

a. Fresh cattle manure

154
Q

Skin scraping of a lesion at the base of the tail of a cow reveal mites, you identify chorioptes bovis by their

a. Long, jointed pedicels of the pretarsi
b. Long, unjointed pedicels of the pretarsi
c. Short pedicel of the pretarsi
d. Elongated body

A

b. Long, unjointed pedicels of the pretarsi

155
Q

What should be the most concerned about introducing to the new locale with foxes?

a. E. multilocularis
b. A. caninum
c. T. leonina
d. U. stephanofilaria

A

a. E. multilocularis

156
Q

A dog with Spirocerca lupi is most likely to develop.

a. Diarrhea
b. Anemia
c. Dysphagia
d. Pulmonary insufficiency

A

c. Dysphagia

kasi Esophageal worm si S.lupi

157
Q

Re-infectivity of trypanosoma after ingestion of Glossina?

a. Acquire flagellum
b. Acquire coat protein

A

a. Acquire flagellum

158
Q

Taenia secretion for immune evasion, EXCEPT? (Refer to Stateboard)

a. Prostaglandin
b. Superoxidase desmuthase
c. Taenin

A

b. Superoxidase desmuthase

159
Q

Female chicken scaly leg mite?

a. 2, 3 leg with sucker
b. 1, 2, 4, leg with sucker
c. All legs have no sucker
d. All legs have sucker

A

a. 2, 3 leg with sucker

160
Q

Elk & goat fluke in gall bladder and small intestine? 2 questions

A

P. fascio… (kakaiba)

161
Q

3-host tick?

A

R. sanguineus

162
Q

Lone star tick?

a. Amblyomma americanum
b. Amblyomma variegatum

A

a. Amblyomma americanum

163
Q

Best control of cockroach?

a. Clean and remove hiding place
b. Pesticides

A

a. Clean and remove hiding place

164
Q

Control of tabanus in Cattle?

a. Stabling during severe attack period
b. Repellant

A

a. Stabling during severe attack period

165
Q

Alaria mermacia (not sure species) is transmitted to kittens after birth?

a. Transcolostral
b. Direct

A

a. Transcolostral

166
Q

NOT zoonotic?

a. Tetrameres
b. Mecistocirrus
c. Ancylostoma

A

a. Tetrameres

167
Q

NOT affect kidney?

a. Trichuris
b. Toxocara
c. Ancylostoma
d. Ascaris

A

a. Trichuris

168
Q

Hairworm of horse causes?

a. Ulceration
b. Erosion
c. Nodule
d. ALL

A

b. Erosion

169
Q

Stomach worm of cattle causes?

a. Hemorrhagic dysentery
b. Colic
c. Diarrhea
d. Constipation

170
Q

Causative agent of Chagas disease?

A

Trypanosoma cruzi

171
Q

Woodchuck parasite.

A

Toxocara?????

172
Q

Order of parasites without wings?

A

Phthiraptera

173
Q

Mode of transmission of disease by tabanus?

A

Blood sucking

174
Q

Etiology: lesion found in the basal area of ears of pig.

A

Hematopinus

175
Q

Viability of fluke egg in the soil.

A.2 weeks
B.6 months
C.2 year
D. 9 months

176
Q

The incorrect match between organism and the appropriate diagnostic procedure is

a. Onchocerca volvulus - examination of skin snips
b. Cryptosporidium - modified acid fast stain

c. Echinococcus granulosus - routine ova and parasite examination
d. Schistosoma haematobium – examination of urine sediment

A

ANSWER (c): The appropriate procedure for the diagnosis of Echinococcus granulosus (hydatid disease) would involve the microscopic examination of hydatid fluid aspirated from a cyst. Immature scolices and/or hooklets would be found in the centrifuged fluid sediment and could be identified under the microscope.

177
Q

Charcot-Leyden crystals in stool may be associated with an immune response and are thought to be the breakdown products of:

                    a. neutrophils
                    b. eosinophils
                    c. monocytes
                    d. lymphocytes
A

ANSWER (b): When eosinophils disintegrate, the granules reform into Charcot-Leyden crystals. Eosinophils are more likely to be present in patients with helminth infections (rather than protozoa).

178
Q

orphological characteristics of the rhabditiform (non-infective) larvae of Strongyloides stercoralis are:

                    a. a short buccal capsule and large genital primordium
                    b. a long buccal capsule and pointed tail
                    c. a short buccal capsule and small genital primordium
                    d. a small genital primordium and notch in tail
A

ANSWER (a): The rhabditiform larvae of Strongyloides stercoralis are characterized by the short buccal capsule (mouth) and large genital primordium; these hookworm larvae have a long buccal capsule and very small genital primordium.

179
Q

Visceral and ocular larva migrans are associated with which of the following organisms and diagnostic test?

                    a. Toxocara - serology
                    b. Onchocerca - skin snips
                    c. Dracunculus - skin biopsy
                    d. Angiostrongylus - CSF examination
A

ANSWER (a): Toxocara spp. cause visceral and/or ocular larva migrans, which occurs when humans accidentally ingest the infective eggs of the dog or cat ascarid. The larvae migrate through the deep tissues, including the eye; and the appropriate test of choice is the serology.

180
Q

The following organisms are linked with specific, relevant information. The incorrect combination is:

                    a. Strongyloides stercoralis - internal autoinfection  
                    b. Echinococcus granulosus - hydatid disease                   
                    c. Taenia solium – human can serve as definitive and intermediate hosts
                    d. Schistosoma mansoni - common within the United States
A

ANSWER (d): Schistosoma mansoni is a blood fluke that is pathogenic for humans; these particular worms reside in the veins over the large intestine. The egg has a very large lateral spine; eggs can be recovered from the stool in infected patients. The infection is not endemic within the United States. However, the eggs may be seen in proficiency testing specimens. So, although it is not common, laboratories must still be able to identify these organisms.

181
Q
  1. Examination of a 24 hour unpreserved urine specimen is sometimes helpful in the recovery of:
    a. Trichomonas vaginalis trophozoites
    b. Schistosoma haematobium eggs
    c. Enterobius vermicularis eggs
    d. Strongyloides stercoralis larvae
A

ANSWER (b): Schistosoma haematobium blood flukes reside in the veins over the bladder. When the eggs are passed from the body, they are often found in urine; egg viability can also be determined.

182
Q

The examination of sputum and stool may be necessary to diagnose infection with:

                    a. Paragonimus westermani
                    b. Trichinella spiralis
                    c. Wuchereria bancrofti
                    d. Fasciola hepatica
A

ANSWER (a): Paragonimus westermani adult worms are found in the lung and eggs may be coughed up in the sputum. Consequently, both sputum and/or stool (if the sputum containing the eggs is swallowed) are the recommended specimens for examination for the eggs.

183
Q

Two helminth eggs that may resemble one another are:

                    a. Diphyllobothrium latum and Paragonimus westermani
                    b. Opisthorchis sinensis and Fasciolopsis buski
                    c. Taenia saginata and Hymenolepis nana
                    d. Ascaris lumbricoides and Trichostrongylus
A

ANSWER (a): Both Diphyllobothrium latum and Paragonimus westermani eggs are operculated and approximately the same size. The morphology is similar, in spite of the fact that D. latum has a knob at the abopercular end and P. westermani has a thickened abopercular end and shoulders into which the operculum fits.

184
Q
  1. Eating poorly cooked pork can lead to an infection with:
    a. Taenia solium and Trichinella spiralis
    b. Taenia saginata and Hymenolepis nana
    c. Trichuris trichiura and Hymenolepis diminuta
    d. Diphyllobothrium latum and Ascaris lumbricoides
A

ANSWER (a): Both Taenia solium (pork tapeworm) and Trichinella spiralis can be acquired from the ingestion of raw or poorly cooked infective pork.

185
Q

An operculated cestode egg that can be recovered in human feces is:

                    a. Clonorchis sinensis
                    b. Diphyllobothrium latum
                    c. Paragonimus westermani
                    d. Dipylidium caninum
A

ANSWER (b): Diphyllobothrium latum is the only operculated cestode egg that is found in humans; the infection is acquired from the ingestion of raw fresh water fish.

186
Q

The adult tapeworm of Echinococcus granulosus is found in the intestine of:

                    a. Humans
                    b. Sheep
                    c. Dogs
                    d. Cattle
A

ANSWER (c): While the hydatid cysts are found in sheep or in humans (accidental intermediate host), the adult tapeworms of Echinococcus granulosus are found in the intestine of the dog.

187
Q

In infections with Taenia solium, man can serve as the:

                    a. definitive host
                    b. intermediate host
                    c. definitive and/or the intermediate host
                    d. none of the above
A

ANSWER (c): If humans ingest Taenia solium cysticerci in uncooked or rare pork, the adult tapeworm will mature within the intestine (human will serve as definitive host); if eggs from the adult tapeworm are ingested, then the cysticerci will develop in human tissues (accidental intermediate host), causing cysticercosis.

188
Q

Humans acquire infections with Diphyllobothrium latum adult worms by:

                    a. ingestion of fresh water crabs
                    b. skin penetration of cercariae
                    c. ingestion of water chestnuts
                    d. ingestion of infected raw fresh water fish
A

ANSWER (d): The ingestion of raw fresh water fish containing the encysted larvae of Diphyllobothrium latum will result in the development of an adult tapeworm within the human intestine.

189
Q

Humans can serve as both the intermediate and definitive host in infections caused by:

                    a.         Enterobius vermicularis

                    b          Hymenolepis nana

                    c. Schistosoma japonicum
                    d. Ascaris lumbricoides
A

ANSWER (b): Hymenolepis nana is one of the tapeworms where humans serve as both intermediate and definitive hosts. When ingested, the oncosphere penetrates the intestinal mucosa, develops into the mature cysticercoid (human is intermediate host), and returns to the gut where the adult tapeworm matures (human is definitive host).

190
Q

Organisms (and infections) that under normal conditions could not be transmitted in the laboratory are:

                    a. Hymenolepis nana – dwarf tapeworm disease
                    b. Taenia solium - cysticercosis
                    c. Ascaris lumbricoides - ascariasis
                    d. Enterobius vermicularis - pinworm infection
A

ANSWER (c): Ascaris lumbricoides eggs require a period of development in the soil before they are infective for humans. The other organisms listed could be transmitted within the laboratory or in the hospital setting.

191
Q

Which microfilariae are usually not found circulating in the peripheral blood?

                    a. Brugia malayi
                    b. Loa loa
                    c. Wuchereria bancrofti
                    d. Onchocerca volvulus
A

ANSWER (d): The microfilariae of Onchocerca volvulus are normally found in the fluid right under the outer layer of skin. Therefore, the skin snip is the proper specimen to examine.

192
Q

The miracidial hatching test helps to demonstrate the viability of:

                    a. eggs of Taenia species.
                    b. eggs of Schistosoma species.
                    c. eggs of hookworm species.
                    d. eggs of Opisthorchis.
A

ANSWER (b): The determination of egg viability is important in schistosomiasis; therefore, the miracidial hatching test would be helpful in demonstrating the egg viability of Schistosoma species. Once the eggs were hatched, the living miracidium larvae would be visible in the water.

193
Q

The incorrect match between organism and characteristic is:

                    a. Fasciola hepatica and liver infection
                    b. Trichuris trichiura and eggs with polar plugs
                    c. Echinococcus granulosus and daughter cysts
                    d. Schistosoma mansoni and egg with terminal spine
A

ANSWER (d): The egg of Schistosoma mansoni is characterized by having a large lateral spine; S. haematobium has the characteristic terminal spine.

194
Q

An immunosuppressed male had several episodes of pneumonia, intestinal pain, and sepsis with Gram negative rods, and a history of military service in Southeast Asia 20 years earlier. The organism is:

                    a. Fasciolopsis buski        
                    b. Strongyloides stercoralis                       
                    c. Hookworm
                    d. Paragonimus westermani
A

ANSWER (b): A latent infection with Strongyloides stercoralis acquired years before may cause severe symptoms in the immunosuppressed patient (“autoinfective” capability of life cycle and migratory route through the body).

195
Q

Eosinophilic meningoencephalitis is a form of larva migrans causing fever, headache, stiff neck, and increased cells in the spinal fluid. It is generally a mild and self-limited infection and is caused by:

                    a. Necator americanus                  
                    b. Angiostrongylus cantonensis     
                    c. Ancylostoma braziliense
                    d. Strongyloides stercoralis
A

ANSWER (b): Eosinophilic meningoencephalitis is a form of larva migrans and is caused by Angiostrongylus cantonensis, the rat lungworm. This Pacific area infection is associated with CSF symptoms and sometimes eye involvement.

196
Q

When humans have cystic hydatid disease, the causative agent and host classification are:

                    a. Echinococcus granulosus - accidental intermediate host.
                    b. Echinococcus granulosus - definitive host.                                 
                    c. Taenia solium - accidental intermediate host.                             
                    d. Taenia solium - definitive host.
A

ANSWER (a): The cause of cystic hydatid disease is Echinococcus granulosus and the human is classified as the accidental intermediate host. Infection occurs when humans ingest E. granulosus eggs and the hydatid cyst(s) develop in the liver and lung of the human instead of sheep (normal cycle).

197
Q

When humans have cystic hydatid disease, the causative agent and host classification are:

                    a. Echinococcus granulosus - accidental intermediate host.
                    b. Echinococcus granulosus - definitive host.                                 
                    c. Taenia solium - accidental intermediate host.                             
                    d. Taenia solium - definitive host.
A

ANSWER (a): The cause of cystic hydatid disease is Echinococcus granulosus and the human is classified as the accidental intermediate host. Infection occurs when humans ingest E. granulosus eggs and the hydatid cyst(s) develop in the liver and lung of the human instead of sheep (normal cycle).

198
Q

A 45 year old hunter developed fever, myalgia, and periorbital edema. He has a history of bear meat consumption. The most likely causative agent is:

                    a. Toxoplasma gondii
                    b. Taenia solium               
                    c. Hymenolepis nana        
                    d. Trichinella spiralis
A

ANSWER (d): Infected bear meat is an excellent source of Trichinella spiralis. In this case, the patient had evidently consumed poorly cooked bear meat, thus ingesting the encysted larvae of T. spiralis.

199
Q

This condition results from the accidental ingestion of helminth eggs. In this instance the human becomes the intermediate rather than the definitive host. The correct answer is:

                    a. trichinosis
                    b. cysticercosis.               
                    c. ascariasis.                   
                    d. strongyloidiasis.
A

ANSWER (b): The accidental ingestion of Taenia solium eggs can result in the disease we call cysticercosis. The cysticerci will develop in a number of different tissues, including the brain, and the human is the accidental intermediate host.

200
Q

After returning from a 2 year stay in India, the patient had eosinophilia, an enlarged left spermatic cord and bilateral inguinal lymphadenopathy. The most likely clinical specimen and organism match would be:

                    a. thin blood films and Leishmania spp.                
                    b. urine and concentration for Trichomonas vaginalis.
                    c. thin blood films and Babesia.    
                    d. thick blood films and microfilariae.
A

ANSWER (d): Based on the history, the most relevant procedure to perform would be the preparation and examination of thick blood films for the recovery and identification of microfilariae. The symptoms suggest early filariasis.

201
Q

Which of the following is true about onchocerciasis?

                    a. The adult worm is present in the blood.
                    b. The microfilariae are in the blood during the late evening hours.
                    c. The diagnostic test of choice is the skin snip.
                    d. The parasite resides in the deep lymphatics.
A

ANSWER (c): The adult Onchocerca volvulus reside in subcutaneous nodules and the microfilariae are found in the fluids right under the outer layers of skin; thus the appropriate diagnostic test is the microscopic examination of skin snips for the presence of microfilariae.

202
Q

Worldwide, the most prevalent helminth to infect humans is:

                    a. Enterobius vermicularis, the pinworm.
                    b. Ascaris lumbricoides, the large intestinal roundworm.
                    c. Taenia saginata, the beef tapeworm.
                    d. Schistosoma mansoni, one of the blood flukes
A

ANSWER (a): The pinworm, Enterobius vermicularis, may be the most common parasitic infection throughout the world and the eggs are infective within just a few hours. Some have said that “You either had the infection as a child, have it now, or will have it again when you have children.”

203
Q

A helminth egg is described as having terminal polar plugs. The most likely helminth would be:

                    a. Hookworm
                    b. Trichuris trichiura          
                    c. Fasciola hepatica
                    d. Dipylidium caninum
A

ANSWER (b): The eggs of Trichuris trichiura (the whipworm) have been described as being barrel-shaped with a thick shell and two polar plugs.

204
Q

Ingestion of which of the following will result in human infection:

                    a. Egg of Strongyloides stercoralis
                    b. Egg of Schistosoma japonicum
                    c. Egg of Toxocara canis
                    d. Egg of Opisthorchis sinensis
A

ANSWER (c): The eggs of Toxocara canis are infectious for humans and cause visceral larva migrans. These ascarid eggs of the dog can infect humans; the eggs hatch and the larvae wander though the deep tissues, occasionally the eye. In this case, the human becomes the accidental intermediate host.

205
Q

A helminth egg is described as having a thick radially striated shell and the shell contains a six-hooked embryo called the oncosphere. This egg is:

                    a. Hookworm
                    b. Schistosoma spp.
                    c. Strongyloides stercoralis
                    d. Taenia spp.
A

ANSWER (d): Taenia spp. cestode eggs have a thick radially striated shell that contains a six-hooked embryo called the oncosphere. Although the oncosphere can usually be seen in eggs found in fresh or recently preserved stool, occasionally the embryo may be more difficult to see in eggs that have been stored for long periods in formalin. The radial striations can be seen more closely in the middle and right eggs.

206
Q

The following proglottid was seen in a fresh stool specimen; the proglottid was subsequently injected with India ink. Which of the following is the correct identification?

                    a. Taenia saginata
                    b. Hymenolepis diminuta
                    c. Dipylidium caninum
                    d. Taenia solium
A

ANSWER (a): Based on the number of uterine branches (counted on one side only), T. saginata generally has around 16-18 lateral branches (more than 12), while T. solium tends to have about 8-10 (less than 12). It is important to remember to count the branches right where they come off the central stem and to count one side only.

207
Q

A freshwater snail is always a part of the life cycle in which of the following groups?

                    a. Cestodes
                    b. Trematodes
                    c. Filarial worms
                    d. Intestinal nematodes
A

ANSWER (b): In all groups of trematodes, there is a freshwater snail in the life cycle. These worms are represented by liver and lung flukes, intestinal flukes, and the blood flukes, all of which are trematodes.

208
Q

Lifespan of cockroach without food.

A.week
B.months
C.year

209
Q

Lesion/s produce by capillaria/hairworm on the stomach of horse.

A.Ulceration
B.Erosion
C.Nodule
D.Nota

A

A.Ulceration
B.Erosion

dalawa base kay Merck

210
Q

Lifespan of adult horse bot fly?

211
Q

Intermediate host of thorny-headed worm

A

dung beetles

definitive host Swine

212
Q

Lernaea spp.

A

Anchor worm

213
Q

Beef cattle developed anemia and anasarca. During necropsy, there were numerous red and white worms in abomasum (barber pole worm)

A

Hemonchus place

214
Q

Nodular worm.

A

Esophagostomum radiatum

215
Q

Protozoa of goldfish.

A

Eimeria aurata

216
Q

Toxocara cati transmission in kittens.

A

Transmammary migration of larva

217
Q

Transmitted by fleas except?

a. Dipetalonema,
b. Dipylidium
c. Dirofilaria

A

c. Dirofilaria

218
Q

Most common source of Toxoplasma infection in cats?

a. Raw meat,
b. cat feces,
c. soil, transplacental

A

a. Raw meat,

219
Q

Best used for flotation technique?

220
Q

Which is sexual, or not asexual? (3qts)

221
Q

Main host of toxoplasmosis?

222
Q

Ear mange in cattle?

A

Chorioptes

223
Q

Cause of visceral larva migrans?

224
Q

Sparganosis?

A

Spirometra

225
Q

Control of Tabanus?

A

Stable the animals

226
Q

Anchor worm?

227
Q

Parasite locations, eg. not found in the lungs?

A

Cheilospirura hamulosa

228
Q

Vectors, eg. not carried by mosquito?

A

Chaga’s dss.

229
Q

Grubby hide?

230
Q

On splenectomized animal?

A

Babesiosis

231
Q

Toxocara without prenatal transmission?

A

Toxocara cati

232
Q

Characteristic of Argasidae

A

a tough leathery integument in all but the larval stage. Eyes when present are on the lateral surface of the body. The capitulum is recessed ventrally near the anterior end and is not visible dorsally (except in larvae).

233
Q

Quadrangular egg?

A

M. benedini

234
Q

Paragonimus IH?

235
Q

Ascaris suum life cycle in days?

A

Approximately 9–10 days after ingestion, the larvae pass up the bronchial tree, are swallowed, and return to the small intestine by ~10–15 days after infection, where they mature into adult worms. The first eggs are passed ~6–7 wk after infection. Lifespan is ~6–9 mo.

Merck

236
Q

In copula?

A

Schistosoma

237
Q

Ascarops strongylina

A

Dung beetle

238
Q

causative agent of White spot?

A

Ichthyophthirus multifilis

239
Q

Early sign of dourine

A

The initial lesions of dourine often involve the genitalia. Mares typically develop a mucopurulent vaginal discharge, and the vulva becomes edematous. Vulvitis, vaginitis with polyuria, and signs of discomfort may be seen. There may also be raised and thickened semitransparent patches on the vaginal mucosa.

240
Q

Causative agent of Nagana?

A

T. congolense

241
Q

Fasciola intermediate host.

A

Lymnaea sp.

242
Q

1 nucleus Amoebidae

A

A. proteus

243
Q

Diagnosis of Eimeria sp

A

Necropsy findings

244
Q

Mycoplasma ovis host.

a. Sheep,
b. cattle,
c. horse

245
Q

Ostertagia ostertagii is found in?

246
Q

Twisted wire worm.

A

Haemonchus

247
Q

Not in floatation.

248
Q

Egg laying of Stomoxys calcitrans

A

On decaying matter

249
Q

Found on monkey intestine

A

Salcedo notes

250
Q

Impaction in iguana due to

A

Stateboard qx

251
Q

Anatrichosoma cuneatum?

A

On subcutaneous tissue

252
Q

Echinostoma IH.

A

Pila luzonica

253
Q

Hydatidosis in man.

A

echinococcus

254
Q

Corona radiata and phasmid

255
Q

Elastase.

A

Echinococcus larvae

256
Q

Common snake mite?

A

Ophionyssus natricis

257
Q

Mite that serves as vector of snake pathogens like IBD virus, Aeromonas hydrophila and filarid parasite.

A

Ophionyssus natricis

258
Q

Protozoa mainly affects snake?

A

Cryptosporidius serpentis

259
Q

Protozoa mainly affects lizard?

A

Cryptosporidius varanii

260
Q

It causes severe protracted disease in snake?

A

Entamoeba invadens

261
Q

Coccidia that is endemic in captive bearded dragons in US.

A

Isospora amphiboluri

262
Q

Ciliated coccidia of reptiles, esp.the chelonians?

A

Nyctotherus protoza

263
Q

Hemoplasma, Mycoplasma haemocanis

264
Q

Mycoplasma ovis –

A

sheep and goat

265
Q

Mycoplasma haemollamae –

A

llama and alpacas

266
Q

Barbers pole worm –

267
Q

Size of Toxocara vitoulorum –

268
Q

Anaplasma –

A

no hemoglobinuria

269
Q

Scientific name of cockroach

A

Blatta spp. / Blattaria, Blattodea,

270
Q

Color of Anaplasma in Romanowski

A

show purple color mulberry-like microcolonies called Morulae with 1.5 to 2.5 or 6 μm in diameter

271
Q

Sulfur yellow dropping –

A

H. meleagridis

272
Q

Controlled by e-fan –

A

Culicoides

273
Q

Control of house fly –

A

proper cleaning and disposal of manure

274
Q

Intestinal fluke with large ventral papillae –

A

Homologaster

275
Q

Increased plasma plasminogen-

A

Ostertagia

276
Q

Most pathogenic coccidian in goat

A

Eimeria arloingi

277
Q

The snail host of Fasciola gigantica in the Philippines is-

A

Lymnaea auricularia rubiginosa

278
Q

This helminth genus is characterized by having a parasitic and free-living generations-

A

strongylides

279
Q

This helminth usually occurs in pairs inside cysts in the lung parenchyma:

A

Paragonimus westermani;

280
Q

Pseudoscolex is a feature of:

A

Fimbraria fasciolaris

281
Q

The rat lungworm Angiostrongylus cantonensis can cause one of the following conditions in man:

A

Eosinophilic meningoencephalitis

282
Q

Infection with this parasite results in rat-tail appearance in the infected animal due to extreme irritation:

A

Oxyuris equi

283
Q

The helminth parasite with the longest prepatent period is-

A

Stephanurus dentatus;

284
Q

The males of the following have copulatory bursa EXCEPT:

A

Ascaridia galli

285
Q

A flattened amphistome with large ventral papillae and found in the large intestine of cattle is

A

Homalogaster paloniae

286
Q

An embryonated egg, which is bilaterally symmetrical, spherical or oval with 3 pairs of hooks is called:

A

Oncosphere

287
Q

The following are tapeworms affecting fishes EXCEPT:

A

Avetillina - found in goats and sheeps

288
Q

From the time of infection to the time eggs or larvae appear in the feces/blood of the host is referred to as.-

A

prepatent period

289
Q

Adult tapeworms can be found in the following EXCEPT:

290
Q

This species causes haemorrhagic nodules on the skin of cattle and water buffaloes:

A

Parafilaria bovicola

291
Q

Which of these stages of Trichostrongylus sp. is most susceptible to extreme environmental condition-

A

Second stage larva

292
Q

A technique use in larval recovery is-

A

Baermann’s technique

293
Q

It is a fungus found common in cattle feces, which helps in the efficient dispersion of Dictyocaulus larvae in the pasture.

A

–Pilobolus

294
Q

What trichostrongylid species whose egg does not hatch until infective larva (L3) has developed in the egg shell?:

A

Nematodirus battus.

295
Q

Sarcocystis gigantica: host?

A

cats are the definitive hosts, while sheep are the intermediate hosts.

296
Q

Reservoir of Trypanosoma congolense in Africa?

A

blood-feeding tsetse flies (Diptera: Glossinidae)

297
Q

Eimeria found in the liver of rabbit?

A

Eimeria stiedae

298
Q

Causes Benign Theileriosis?

A

Theileria mutans

299
Q

Transmitter of surra in horses=

300
Q

How much blood is sucked by Ancylostoma caninum per day?

301
Q

How much time is necessary for Tabanus to transmit trypanosoma to the other animal?

302
Q

Reservoir of surra=

A

cattle/buffaloes

303
Q

Breed which is more resistant to babesiosis=

A

Bos indicus breed

304
Q

vesicant produced by beetle=

A

cantharidin

305
Q

Transmission of T. equiperdum-

306
Q

hard ticks-

A

has scutum

307
Q

common name of blister beetle= golden beetle, spanish beetle, blue beetle, green beetle

308
Q

Lesion found in tricuris=

309
Q

Acceptable antiprotozoa in aquarium-

310
Q

Year when capillaria philippinensis was first reported?

311
Q

it is called the shoulder tick or black legged tick=

A

Ixodes scapularis

312
Q

example of 2 host tick=

A

R. evertsi

313
Q

white spot disease (ICH) of fish is very common in aquaria and is caused by=

A

Ichthyophthirius multifilis

314
Q

what is your suspected cause of infection when a herd of cattle has a history of early abortion, cows returning to service and failure of animals to become pregnant except after repeated service=

A

Trichomonas foetus.

315
Q

Treatment for amoebiasis/ giardiasis=

A

metronidazole

316
Q

microsporidian protozoa is caused of “neon tetra disease” of aquarium species=

A

Pleistophora hyphessobrycornis

317
Q

myxosporidium protozoa cause “black tail”, whirling disease in=

318
Q

coenurus cerebralis ([Taenia multiceps] [Taenia serialis])

A

The definitive hosts for Taenia multiceps and T. serialis are members of the family Canidae. Many canids can serve as definitive hosts for T. multiceps, but only dogs and foxes can serve as hosts for T. serialis. Sheep are a common intermediate host for T. multiceps, and rabbits for T. serialis, although many other herbivorous species can also serve as intermediate hosts

319
Q

thin sow syndrome=

A

Hyostrongylus rubidus

320
Q

Dipylidium caninum= life cycle?

A

Gravid proglottids are passed intact in the feces or emerge from the perianal region of the host image . In the environment, the proglottids disintegrate and release egg packets, which are also occasionally found free in the feces image . The intermediate host (most often larval stages of the dog or cat flea Ctenocephalides spp.) ingests egg packets, and the oncosphere within is released into the larval flea’s intestine. The oncosphere penetrates the intestinal wall, invades the insect’s hemocoel (body cavity), and develops into a cysticercoid image . The cysticercoid remains in the flea as it matures from a larva into an adult image . The vertebrate host becomes infected by ingesting the adult flea containing the cysticercoid image . In the small intestine of the vertebrate host, the cysticercoid develops into the adult tapeworm after about one month. The adult tapeworms (measuring up to 60 cm in length and 3 mm in width) reside in the small intestine of the host, where they each attach by their scolex image . Gravid, double-pored proglottids detach from the strobila (body) and are shed in the feces.
Humans also acquire infection by ingesting the cysticercoid contaminated flea. Children are most frequently infected, possibly due to close contact with flea-infested pets image .

321
Q

number of sarcoptes female feet-

A

4-2( forelimb, hindlimb)

322
Q

lesions of Demodex canis

A

ocalized lesions are alopecic, with erythema, comedones, scaling and/or seborrhoea, follicular papules and/or pustules, erosions/ulcers, crusts and are located on the head (particularly eyelids), ear pinnae and neck.

323
Q

organs affected in generalized demodecosis-

A

spleen blood

324
Q

clinical signs of hepatozoon in man-

A

Clinical signs are most severe with H. americanum infection and include depression, anorexia, fever, weight loss, hyperesthesia, and pallor. A neutrophilic leukocytosis and a nonregenerative anemia are the most common clinicopathologic findings.

325
Q

Clasiification of hepatozoon canis-

326
Q

clinical signs of sarcocystis in man

A

Two types of the disease can occur, one type causes diarrhea, mild fever, and vomiting (intestinal type, for example infection caused by S. hominis and S. suihominis), and the other type causes muscle pain, transitory edema, and fever (muscular type). Most people infected with Sarcocystis do not have symptoms.

327
Q

species of capillaria in poultry and their predilection sites

328
Q

strongyloides egg reason why it is transparent

329
Q

Common fasciola in Philippines=

A

F. gigantica

330
Q

what is the cause of death in pig with Macracanthorynchus infestation-

A

intestinal impaction or blood loss

331
Q

Eimeria tenella-

332
Q

how many eggs are laid by macracanthorynchus in one laying period

333
Q

How many lice are laid in one month?

A

6 eggs per day daw so 1k+ in one month sabi ni google

334
Q

what is the underlying cause of tick paralysis in bite of Rhipicephalus sp.-

A

neurotoxin

335
Q

definition of vector

A

Vectors are living organisms that can transmit infectious pathogens between humans, or from animals to humans.

336
Q

Presence of red mite of poultry in a modern broiler farm, what to do?=

A

check the cracks and crevices in the house

337
Q

Trichinella confirmatory tests in human and animals

A

tyvelose ELSIA (ncbi.com)

338
Q

Sarcocystis intermediate host

A

pigs and cows,

339
Q

Sarcocystis intermediate host

A

pigs and cows,

340
Q

In a parrot, you saw an external parasite. Which of the following can you readily eliminate? –

A

Anoplura (none is found in avians

341
Q

You were sent to India to check the buffaloes to be imported. You saw mites found in the ears –

A

Psoregrates bos?

342
Q

What fly can reproduced in the stream –

343
Q

Mite found in the ears of dog –

A

Otodectes cyanotis

344
Q

Ticks in reptiles can mostly be seen in –

a. between eyes?
b. Head?
c. Belly?

A

choose the best nalang.

Ticks are usually found under the scales or in the nostrils of snakes. On lizards, they are commonly seen near the vent or in the nostrils. Ticks usually attach to turtles near the vent, or in the soft skin under the shell in front of or in back of the legs.

345
Q

Other name of yellow dog tick –

A

Haemyphysalis leachi leachi

346
Q

An egg of a worm was found in camel. It is triangular in shape and can be found also in sheep –

A

Monieza expansa

347
Q

Coccidia found that is found in the mid-intestine and the lesion is orange in color –

A

Eimeria maxima

348
Q

Coccidia found in cecum –

A

Eimeria tenella

349
Q

Coccidia found in the lower intestine -

A

Eimeria brunetti

350
Q

Number of sporozoites of Isospora –

A

8 (2 sporozoites x 4 sporpcysts

351
Q

Worm found in the eye of chicken –

A

Oxyspirura mansoni

352
Q

Red worm found in the stomach of pig –

A

Hyostrongylus rubidus

353
Q

An egg was seen upon fecalysis. It is described as being colorless, thick shelled, and embryonated. The egg was under the family of?

a. Strongylid?
b. Ascarid?
c. Trichuriid?

A

b. Ascarid

354
Q

Parasite found in the blood of reptile?

A

Leishmania? (di ko alam yung ibang choices, never heard)

355
Q

The worm that is being prevented by simply separating chicken from turkey –

A

Histomonas meleagridis

356
Q

Surra is unique among other trypanosoma species because it can be transmitted by –

a. biting flies?
b. Mosquitoes

A

a. biting flies/ horseflies and vampire bats (sciencedirect)

kasi, bugs ang transmitter ng ibang trypanosomes

357
Q

Deworming of cattle against threadworm is administered as early as –

358
Q

Frog can be an intermediate host of which of the following genus?

a. Platynosomum?
b. Echinochasmus?

A

a. Platynosomum

359
Q

Faciola of elephant –

A

Fasciola jacksoni

360
Q

Man can be infected with strongyloides thru –

A

skin penetration

361
Q

Milk spot in liver –

A

ascariasis

362
Q

Larval stage of heartworm found in the pulmonary artery?

A. L3?
B. L4?
C. L5?

363
Q

Increase incidence of worm infestation in human was correlated to increase eating of raw fish. What could be the worm in suspect?

A

Diphyllobothrium latum

364
Q

Itch of fresh water fish -

A

I. multifilis

365
Q

Elongated sporocyst –

A

Haemoproteus columbae

366
Q

Infective cyst in toxoplasma? –

A. bradyzoite?
B. Tachyzoite?

A

A. bradyzoite

367
Q

Mosquito that transmit Dirofilaria –

A

Anopheles and Culex

368
Q

Mosquito that transmit malaria in avian -

369
Q

Which best differentiate fasciola gigantica from fasciola hepatica? (parang ganito yung choices, pero di sure)

A

a. Neck, color and reproductive organ
b. Neck, color, size and reproductive organ
c. Neck, color and size
d. Neck and size

VM'21 (14 decks)

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