Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PARA > MTAP > Flashcards

MTAP Flashcards

1
Q

Which statement incorrectly describes Giardia
duodenalis?

A

Trophozoite has 2 pairs pf anterior nuclei and 4 pairs of flagella

(IT HAS 1 PAIR OF ANTERIOR NUCLEI AND 4 PAIRS OF FLAGELLA)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following incorrectly describes E.
gingivalis?

A

Ingests RBCs

E. gingivalis can be found in the mouth. the troph measures 10 to 20um. It moves quicklyand has numerous blunt psedopodia. Food vacuoles that contain cellular debris (mostly leukocytes, which is a characteristic of this spp.) and bacteria. (Ch. 2 pg. 31 Belizario)
… This specie has no cyst stage. (Ch. 2 pg. 31 Belizario)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following statement is correct in differentiating Entamoeba histolytica from Entamoeba coli?

A

Entamoeba histolytica troph has a progressive and monodirectional motility and has a centrally located karyosome, whereas Entamoeba coli has a more sluggish and multidirectional motility and an eccentrically located karyosome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Trypanosoma cruzi multiplies in practically every organ of the human body as the following form:

A

Amastigote

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Infective stage of Leishmania to sandflies

A

Amastigote

“Sandfly takes a blood meal (ingests macrophages infected with amastigotes.” (Ch. 2 pg 126; fig. 2.26 Belizario)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Oocyst which only contains 4 sporozoites

A

Cryptosporidium hominis

(T. gondi and C. belli: 2 sporocyst each containing 4 sporozoites
C. cayentanensis: 2 sporocyst each containing 2 sporozoites
C. hominis/ C. parvum: oocyst contains only 4
sporozoites)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True about the asexual stage of Cystoisospora belli except:

A

Final asexual stage found in humans is
sporozoites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

An enzyme expressed by the blood stages of all Plasmodium species:

A

Plasmodium aldolase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Gold standard for the detection and confirmation of malaria

A

Thick and thin smear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The following are vectors of W. bancrofti except:
a. anopheles ,
b. culex,
c. aedes,
d. chrysops

A

Chrysops

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Unsheathed without nuclei and tail is shorter

A

M. ozzardi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Microfilaria isolated in a body cavity is unsheathed, and nuclei is continuous to tail tip:

A

Mansonella perstans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following statements do not correctly describe Loa loa?

A

Transmitted by the black simullian fly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following statements are correct:

A

Rhabditiform larvae of hookworms have an elongated buccal cavity and a short genital primordium whereas, Strongyloides’ rhabditiform larvae have an elongated esophagus, short buccal cavity and a large genital primordial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Can be directly transmitted via colostrum

A

Strongyloides or Ancylostoma
- BOTH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

True about hookworms except:

A

Necator americanus (has 2 pairs of curved ventral teeth) is larger than A. duodenale (has ventral pairs of semilunar cutting plates)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Eggs resemble Ascaris sp. But larger:
1. Toxocara canis
2. Paragonimus westermani
3. Toxocara cati
4. Aphids

A

1 and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which of the following correctly describes Heterophyid flukes?

A

The operculum of the Heterophyid flukes do not have an abopercular protuberance unlike Clonorchis and Opistorchis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Agent of halzoun?

A

Sheep liver fluke

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the 2nd intermediate host of the trematode associated with cholangiocarcinoma?

A

Freshwater fishes
(Clonorchis sinensis is associated with
cholangiocarcinoma)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Parasitic stage of trematodes seen emerging from the 1st intermediate:

A

Cercaria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which of the following is untrue regarding Cestoidea?

A

Adults can be found in the tissues of the
patient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which of the following incorrectly describes Cestoidea?

A

Non-hermaphroditic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Alveolar cysts:

A

Echinococcus multiloculares

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

True about E. granulosus except:
Neurological
Larval stage is called a hydatid cyst
The widest proglottid is the strobila

A

None of these

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What does D. fragilis have in common with T. vaginalis

A

Neither has a cyst form

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Most common morphological form of Blastocystis hominis

A

Vacuolated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

A very large cyst whose double wall encloses a ciliated organism with one visible nuclei would be:

A

Acquired by accident by man, since it
customarily infects swine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

The extracellular form of Trypanosoma is a slender organism characterized by an undulaitng membrane and a free flagellum that arises:

A

Posteriorly from the kinetoplast

30
Q

Which of the following are often mistaken for cysts of amoebae?

A

Blastocystis hominis

31
Q

Which of the malarial organisms preferentially invades polychromatophilic erythrocytes?

A

P. falciparum

32
Q

In which type of malaria is there synchronized rupture of the RBC every 72 hours?

A

Malariae

33
Q

Older developing stages (trophs, schizonts) of the fifth human malaria, Plasmodium knowlesi, resemble those of:

A

P. malariae

34
Q

The sexual reproduction cycle in Plasmodia and Coccidia is referred to as:

A

Sporogony

35
Q

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

A

Onchocerca volvulus

36
Q

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

A

thick blood films-microfilariae

37
Q

Mosquito vectors of Brugia malayi
1. Aedes
2. Anopheles
3. Culex
4. Mansonia

A

I, II, IV

38
Q

Stimulates microfilariae into coming out to the
peripheral circulation:

A

3mg/kg DEC

39
Q

Which of the following allows the embryonation of Ascaris spp?

A

soil

40
Q

Which parasite causes eosinophilic meningoencephalitis, a form of larva migrans causing fever, headache, stiff neck, and increased cells in the spinal fluid?

A

Angiostrongylus cantonensis

41
Q

Which of the following is not untrue regarding
nematodes except?

A

segmented, elongated, cylindrical in shape
with bilateral symmetry

42
Q

The most prevalent helminth to infect human is?

A

Enterobius vermicularis, the pinworm

43
Q

Definitive diagnostic procedure for schistosomes?

A

COPT

44
Q

Circulating anodic and cathodic antigen is commonly used in:

A

Schistosoma

45
Q

Embryo found in pseudophyllidean worms that requires aquatic development

A

coracidium

46
Q

Cat Liver Fluke

A

Opistorchis felineus

47
Q

Which of the following is an incorrect match between organism and the appropriate diagnostic procedure?

A

Echinococcus granulosus- routine ova and
parasite examination

48
Q

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

A

Diphyllobothrium latum

49
Q

Pork tapeworm larvae

A

cysticercus cellulosae

50
Q

Unstable gait and giddiness

A

T. solium

51
Q

Which of the following incorrectly describes
Cestoidea?

A

Non-hermaphroditic

52
Q

Alveolar cysts:

A

Echinococcus multiloculares

53
Q

True about E. granulosus except:

A

None of these

54
Q

Which of the following is untrue regarding
Cestoidea?

A

Adults can be found in the tissues of the
patient

55
Q

Microfilaria isolated in a body cavity is unsheathed, and nuclei is continuous to tail tip:

A

Mansonella perstans

56
Q

The following are vectors of W. bancrofti except:

A

Chrysops

57
Q

What is the 2nd intermediate host of the trematode associated with
cholangiocarcinoma?

A

Freshwater fishes

58
Q

Agent of halzoun?

A

Sheep liver fluke

59
Q

Parasitic stage of trematodes seen emerging
from the 1st intermediate:

A

Cercaria

60
Q

In a condition resulting from the accidental
ingestion of eggs, the human becomes the
intermediate rather than the definitive host.
The correct answer is:

A

Cysticercosis

61
Q

Pork tapeworm larvae

A

Cysticercus cellulosae

62
Q

Two helminth eggs that may resemble one
another are:

A

Diphyllobothrium latum and Paragonimus
westermani

63
Q

The formalin-ether (ethyl acetate)
concentration procedure for feces is used to
demonstrate:

A

Protozoan cyst and helminth eggs

64
Q

An immunosuppressed man his several episodes of pneumonia, intestinal pain, sepsis with gram-negative rods, and a history of
military service in Southeast Asia 20 years earlier. The most likely cause is infection with:

A

Strongyloides stercoralis

65
Q

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

A

Hymenolepsis nana

66
Q

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

A

Paragonimus westermani

67
Q

Humans acquire infections with
Diphyllobothrium latum adult worms by:

A

Ingestion of raw freshwater fish

68
Q

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

A

Echinococcus granulosus- accidental
intermediate host

69
Q

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

A

Trichinella spiralis

70
Q

Parasite acquired through accidental ingestion
of uncooked crayfish

A

Lung fluke

71
Q

Vector for African eye worm

A

Chrysops

PARA (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions