Para Lec - T. trichiura Flashcards

(38 cards)

1
Q

common name of trichuris trichiura

A

whipworm

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2
Q

final host of trichuris trichiura

A

man

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3
Q

habitat of trichuris trichiura

A

Large intestine

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4
Q

trichuris trichiura is attached to __

A

cecum

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5
Q

type of attachment of trichuris trichiura

A

pin fashion attachment

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6
Q

diagnostic stage of trichuris trichiura

A

ova

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7
Q

infective stage of trichuris trichiura

A

embryonated ova

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8
Q

sources of infection of trichuris trichiura

A

STH

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9
Q

MoT trichuris trichiura

A

Ingestion

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10
Q

portal of entry of trichuris trichiura

A

mouth

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11
Q

unholy trinity

A

trichuris trichiura
Ascaris lumbricoides
Hookworms

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12
Q

does trichuris trichiura have an extra-intestinal phase

A

no

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13
Q

lifespan of trichuris trichiura

A

1-3 years

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14
Q

how manypercent of trichuris trichiura infections are asymptomatic

A

90%

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15
Q

why are trichuris trichiura infections asymptomatic

A

trichuris trichiura is small

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16
Q

intensity of infections peaks by age __

17
Q

color of adult worm

A

flesh or pinkish

18
Q

what part of trichuris trichiura is attenuated

19
Q

what part of trichuris trichiura is robust and fleshy

A

posterior 1/3

20
Q

describe the anterior 2/3 of trichuris trichiura

A

attenuated and thin

21
Q

describe the posterior 1/3 of trichuris trichiura

A

fleshy and robust

22
Q

ova morphology trichuris trichiura

A

mucoid, bipolar plug

23
Q

function of mucoid bipolar plug

A

way of exit of larva

24
Q

shape of ova

A

football/lemon/barrel shaped

25
prepatency trichuris trichiura
2 months
26
appearance of embryonated egg
segmented egg
27
this occurs during heavy infections
rectal prolapse
28
number of eggs released per day
3 000 - 20 000 eggs
29
drug of choice for trichuris trichiura
albendazole, mebendazole x 3 days | because it is harder to expel since it is attached pin fashion
30
what type of eggs are passed with the stool
unembryonated eggs
31
where do eggs of trichuris trichiura mature and establish themselves as adults
colon
32
caution in diagnosing infection | stool negative for egg but with manifestation, reason?
parasite is still migrating
33
caution in diagnosing infection | negative for egg (2 reasons)
all male parasites | female worms still not capable of laying eggs
34
asymptomatic, type of infection
light
35
symptoms of t. trichiura
``` iron deficiency anemia physical weakness stunted growth cognitive deficit trichuris dysentery syndrome trichuris colitis rectal prolapse ```
36
inflammation of colon
colitis
37
cause of colitis
attachment of worms
38
parasites which undergo heart and lung migration
Ascaris lumbricoides Hookworms Strongyloides stercoralis