Para Lec - T. trichiura Flashcards Preview

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Flashcards in Para Lec - T. trichiura Deck (38):
1

common name of trichuris trichiura

whipworm

2

final host of trichuris trichiura

man

3

habitat of trichuris trichiura

Large intestine

4

trichuris trichiura is attached to __

cecum

5

type of attachment of trichuris trichiura

pin fashion attachment

6

diagnostic stage of trichuris trichiura

ova

7

infective stage of trichuris trichiura

embryonated ova

8

sources of infection of trichuris trichiura

STH

9

MoT trichuris trichiura

Ingestion

10

portal of entry of trichuris trichiura

mouth

11

unholy trinity

trichuris trichiura
Ascaris lumbricoides
Hookworms

12

does trichuris trichiura have an extra-intestinal phase

no

13

lifespan of trichuris trichiura

1-3 years

14

how manypercent of trichuris trichiura infections are asymptomatic

90%

15

why are trichuris trichiura infections asymptomatic

trichuris trichiura is small

16

intensity of infections peaks by age __

10

17

color of adult worm

flesh or pinkish

18

what part of trichuris trichiura is attenuated

anterior 2/3

19

what part of trichuris trichiura is robust and fleshy

posterior 1/3

20

describe the anterior 2/3 of trichuris trichiura

attenuated and thin

21

describe the posterior 1/3 of trichuris trichiura

fleshy and robust

22

ova morphology trichuris trichiura

mucoid, bipolar plug

23

function of mucoid bipolar plug

way of exit of larva

24

shape of ova

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

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