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Parasitology Lec Quiz 2 > Para quiz lec short > Flashcards

Para quiz lec short Flashcards

1
Q

Nematodes basically called as?

A

Roundworms

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2
Q

Bodies are covered by a thick hyaline protecting covering called ?

A

Cuticula

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3
Q

Equipped with sensory organs/ chemoreceptors
Class ? - possesses caudal chemoreceptor called phasmids
Class ? - lacks caudal chemoreceptors

A

Phasmidia
Aphasmidia

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4
Q

LARVA
is the stage that hatches from the egg
generally characteristics the infective forms of the parasite

A

Rhabditiform larva
Filariform larva

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5
Q

Ingestion of:
Fully embryonated egg

A

Ascaris lumbricoides
Trichuris trichiura
Enterobius vermicularis
Toxocara canis
Toxocara cati

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6
Q

Ingestion of:
Encysted larvae

A

Trichinella spiralis

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7
Q

Ingestion of:
Infective larva

A

Angiostrongylus cantonensis
Dracunculus medinensis

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8
Q

Filariform larval skin penetration

A

Strongyloides stercolaris
Hookworm

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9
Q

Necator americanus, ancylostoma duodenale,

A

Human

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10
Q

Ancylostoma braziliense, ancylostoma caninum

A

Non-human

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11
Q

Blowmm means

A

Brugia malayi
Loa loa onchocerca vovulus
Wuchereria volvulus
Manzonella perstans
Manzonella ozzardi

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12
Q

Produce egg without fully developed larva in its shell

A

Oviparous

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13
Q

Under ng oviparous
Hookworm

A

Ascaris lumbricoides
Trichuris trichiura

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14
Q

Produce eggs with fully developed larva in its shell, produce full embryonated egg

A

Ovoviparous/ oviviparous

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15
Q

Under of oviparous/oviviparous

A

Enterobius vermicularis
Strongloides stercoralis

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16
Q

DON’T produce eggs BUT deliver FULLY DEVELOPED LARVA

A

Trichinella spiralis
All filarial worms (BLOWMM)

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17
Q

Classification of roundworms
According to habitat
Intestinal
Small intestine or CASH

A

C philippinensis
Ascaris lumbricoides
Strongloides stercoralis
Human hookworms

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18
Q

Classification of roundworms
According to habitat
Intestinal
Large intestine TE

A

Trichuris Trichiura
Enterobius vermicularis

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19
Q

Classification of roundworms
According to habitat
Intestinal
Zoonatic animal parasits

A

Non human ascaris: T canis, Cati A cantonensis
Dirofilria immitis

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20
Q

Classification of roundworms
According to habitat
Extraintestinal

A

BLOWMM D

Brugia malayi

Loa loa
Ochucerca volvulus
Wuchureria bancrofti
Mansonella perstans
Mansonella ozzardi
D. Medinensis

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21
Q

Classification of roundworms
According to absence/ presence of caudal receptors
SHEA - with caudal chemoreceptors

A

Strongloides stercoralis
Hookworms (all)
Enterobius vermicularis
Ascaris lumbricoides

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22
Q

withOUT caudal chemoreceptors

A

Aphasmidea/ Adenophorea

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23
Q

Classification of roundworms
According to absence/ presence of caudal receptors
TTC

A

Trichuris Trichiura
Trichinella spiralis

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24
Q

Most common intestinal parasites in tropical countries like Philippines

A

Ascaris lumbricoides

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25
Q

Common name of ascaris lumbricoides

A

Giant intestinal roundworms/ eelworm

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26
Q

Habitat of ascaris lumbricoides

A

Upper end and small intestine

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27
Q

Infective stage of ascaris lumbricoides

A

Embryonated egg

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28
Q

Mode of transmission of ascaris lumbricoides

A

Ingestion of fully embryonated egg

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29
Q

Egg production output of ascaris lumbricoides

A

240, 000 per day

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30
Q

Maturation cycle in Man of ascaris lumbricoides

A

2 months

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31
Q

shape of ascaris lumbricoides

A

regularly ovoid

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32
Q

size of ascaris lumbricoides

A

45-70 um x 35-50 um

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33
Q

morphology of ascaris lumbricoides ova/ egg it is fertilized or unfertilized?

A

unfertilized

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34
Q

morphology of ascaris lumbriocides
adult male
length

A

10-31 cm w/ curved posterior end

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35
Q

morphology of female ascaris lumbriocides
female

A
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35
Q

morphology of female ascaris lumbriocides
female
length

A

22-35 cm w/ blunty rounded posterior end

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36
Q

lab diagnosis
intestinal ascaris

A

direct fecal smear
concentration technique
kato-thick smear
kato-katz

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37
Q

lab diagnosis
pneumonitis

A

sputum examination

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38
Q

common name of trichuris trichiura

A

whipworm

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39
Q

other name of trichuris trichiura

A

trichocephalus trichiura

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40
Q

habitat of trichuris trichiura

A

large intestine

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41
Q

infective stage of trichuris trichiura

A

embrayonated egg

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42
Q

Mode of transmission of trichuris trichiura

A

fully embryonated egg

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43
Q

egg production output of of trichuris trichiura

A

3,000- 10, 000 per day

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44
Q

maturation cycle in man og trichuris trichiura

A

3 months

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45
Q

life span of trichuris trichiura

A

1 year

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46
Q

AKA Japanese Lantern Ova

A

truchuris trichiura

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47
Q

shape of trichuris trichiura

A

barrel/football/lantern

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48
Q

what color of male trichuris trichiura

A

pinkish gray

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49
Q

what color of female trichuris trchiura

A

pinkish gray

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50
Q

pathogennesis/ disease of trichuris trochiura adult

A

local inflammation
abdominal discomfort
diarrhea
rectal prolapse

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51
Q

lab diagnosis in trichuris trichiura
Finding Ova in the stool

A

direct fecal smear\
concentration technique
kato thick smear
kato katz

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51
Q

lab diagnosis in trichuris trichiura
Finding Ova in the stool

A

direct fecal smear\
concentration technique
kato thick smear
kato katz

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52
Q

common name of enterobius vermiculari

A

pinworm/ seatworm

53
Q

habitat of enterobius vermicularis

A

large intestine

54
Q

infective stage

A

embryonated egg

55
Q

mode of transmission of enterobius vermicularis

A

ingestion of fully embryonated egg

56
Q

maturation cycle in man

A

15-26 days

57
Q

life span of enterobius vermicularis

A

2 months

58
Q

shape of enterobius vermicularis

A

ovoid/ w one side flattened/ d shaped

59
Q

color of male e. vermicularis

A

white

60
Q

diases/ pathogenesis of enterobius vermicularis

A

enterobiasis, oxyuriasis/ pinworm infection

61
Q

main symptoms in e vermicularis diasease?

A

Pruritus ani

62
Q

lab diagnosis of E vermicularis
examination of perianal swab
examination of fingernaail scraping

A

escotch tape method (most common)

63
Q

habitat of hookworm

A

small intestine

64
Q

mode of transmission of hookworm

A

larval skin penetration

65
Q

infective stage of hookworm

A

filariform larva

66
Q

old worl hookworm

A

ancylostoma duodenale

67
Q

new world hookworm

A

necator americanus

68
Q

dog hookworm

A

ancylostoma caninum

69
Q

cat hookworm

A

ancylostoma braziliense

70
Q

1st stage larv

A

rhabiditiform larva

71
Q

3rd stage larva

A

filariform larva

72
Q

feeding but not infective

A

rhabiditiform larva

73
Q

unfeeding but infective

A

filariform larva

74
Q

open mouth shorter and more robust

A

rhabiditiform larva

75
Q

closed mouth longer and more slender

A

filariform larva

76
Q

THE UNHOLY TRINITY

A

HAT
HOOKWORMS
ASCARIS LUMBRICOIDES
TRICHURIS TRICHIURA

77
Q

Shape of hookworm

A

ovoid

78
Q

shell of hookworm

A

thin hyaline transparent

79
Q

germ cell of hookworm

A

2-8

80
Q

length of hookworm

A

250 um

81
Q

buccal cavity of hookworm

A

long

82
Q

genital primordium

A

small

83
Q

color of hookworm

A

grayish white

84
Q

necator americanus has?

A

semilunar teeth

85
Q

pathogenesis of hookworms

A

ancylostomiasis and uncinariasis
may involve
A. skin at the site of entry; ground itch
B. lungs; pneumonitis and eosinophilia
C. small intestine; occult bleeding of the intestinal mucusa

86
Q

Lab diagnosis in hookworms
finding the characteristics egg in feces through?

A

A. direct fecal smear
B. Concentration technique

87
Q

common name of strongyloides stercoralis

A

threadworm

88
Q

habitat of strongyloides stercolaris

A

small intestine

89
Q

infective stage of strongylides stercolaris

A

filariform larva

90
Q

mode of transmission of strongyloides stercolaris

A

larval skin penetration

91
Q

maturation in man of strongyloides stercolaris

A

17 days

92
Q

aka chinese lantern ova

A

strongyloides stercolaris

93
Q

shape of strongylides stercolaris

A

ovoid

94
Q

bucal cavity of strongyloides stercolaris

A

small

95
Q

bucal cavity of strongyloides stercolaris

A

small

96
Q

genital primordium

A

large

97
Q

pathogenesis of strongyloides stercoralis

A

conchin china diarrhea
vietnam diarrhea
strongyloidiasis

98
Q

lab diagnosis of strongyloides stercoralis
Finding the motile rhabiditiform larva rarely in feces through

A
  1. concentration technique
  2. Beale`s string test
    serologic test - ELISA
99
Q

trichinella spiralis aka pork muscle or ?

A

trichina worm

100
Q

encysted larva of trichinella spiralis

A

striated muscle

101
Q

mode of transmission of trichinella spiralis

A

ingestion of inadequately cooked pork within DH

102
Q

pathogenesis of trichinella spiralis

A

trichinosis

103
Q

stages of trchinosis

A

stage 1 intestinal invasion- diarrhea and GIT disturbance
stage 2 larva migration, muscle invasion - { highest eosinophilia seen}
stage 3 encystment- symptoms subside

104
Q

lab diagnosis of trichinella stercolaris

A

muscle biopsy
bachmann intradermal test
x-ray = presence of calcified cyst
serological test= bentonite flocculation test and ElisA
ELEVATION OF MUSCULAR ENZYMES

105
Q

dracunculus medinensis aka?

A

guinea worm
medina worm
serpent worm
dragon worm

106
Q

capillaria philippinensis aka?

A

pudoc worm

107
Q

capillaria philippinensis habitat

A

small intestine

108
Q

shape of capillaria philippinensis

A

peanut w/ flattened bipolar

109
Q

pathigenesis of capillaria philippinensis

A

may be acquired by eating uncooked fish infected w/ larva

110
Q

lab diagnosis of capillaria philippinensis

A

examination of direct fecal smear
concentration techniques

111
Q

angiostrongylus contonensis aka?

A

rat lung worm

112
Q

mode of transmission of angiostrongylus cantonensis

A

ingestion of larva 3 that actually passes through stomach

113
Q

pathogenesis of angoistrongylus cantonensis

A

eosinophilic meningoencephalitis
barber`s pole apperance

114
Q

diagnostic test for angoistrongylus cantonensis

A

brain ct scan and sero test

115
Q

adult female gives birth to a larval embryo that appears into the blood 1 year after infection

A

microfilaria

116
Q

fiarial worm periodicity

A

rhythmical appearnce of microfilaria

117
Q

best way to collect the specimen

A

nocturnal periodic (9pm-4am)= largest number of microfilaria at night
diurnal periodic (10:15 am- 2:15 pm)= largest number of microfilaria at day
non- periodic= constant levels day and night
sub-periodic or nocturnal sub- periodic = detected at day but high numbers in late afternoon or night.

118
Q

filarial worm periodicity
wuchereria bancrofti

A

nocturnal periodic

119
Q

filarial worm periodicity
brugia malayi

A

nocturnal periodic

120
Q

filarial worm periodicity
loa loa

A

diurnal

121
Q

filarial worm periodicity
onchocerca volvulus

A

non- periodic

122
Q

mansonella ozzardi

A

non- periodic

122
Q

mansonella ozzardi

A

non- periodic

123
Q

mansonella perstans

A

non- periodic

124
Q

mansonella streptocerca

A

non- periodic

125
Q

lab diagnosis of filarial worm

A

blood
scraping
knott`s concentration technique
serological test
ophthalmologic exam using slit lamp
ultrasonography

126
Q

giemsa or filtering of heparinized blood using nucleopre filter { stage chronic}

A

blood

127
Q

infected nodule and skin snip

A

scraping

128
Q

small amount of microfilaria, 1 mL of blood immersed in 10 mL 2% formalin to lyse red cells

A

knott`s concentration technique

129
Q

ELISA

A

serological test

130
Q

filarial worm residing in eyes (retia)

A

ophthalmologic exam using slit lamp

131
Q

presence of filarial dance sign

A

ultrasonography

Parasitology Lec Quiz 2 (1 decks)

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