Para Lec - Hookworms Flashcards Preview

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Flashcards in Para Lec - Hookworms Deck (44):
1

Ancylostoma duodenale
common name

Old World Hookworm

2

Necator americanus
common name

New World Hookworm

3

Dental Pattern AD

2 pairs of teeth

4

Dental Pattern NA

semilunar cutting plates

5

Bursa AD

trigiditate

6

Bursa NA

bidigitate

7

Spicule AD

plain, bristle-like

8

Spicule NA

barbed, fused

9

Host [body part] AD

small intestine

10

Host [body part] NA

small intestine

11

diagnostic stage AD

ova

12

diagnostic stage NA

ova

13

infective stage AD

L3

14

infective stage NA

L3

15

MoT AD

Skin penetration, ingestion

16

MoT NA

purely percutaneous

17

morphology of eggs

Thin-shelled
2-8 cell stages (blastomeres)

18

function of teeth

for attachment

19

bursa is only found in m or f

males

20

location of bursa, posterior or anterior

p

21

found inside bursa

dorsal rays

22

arises from the bursa

spicule

23

name for the egg cell stages of hookworms

blastomeres

24

with or w/o species identification with eggs?

without

25

how are egg reported

hookworm eggs

26

how to identify species of hookworms

adult stages

27

other MoT of AD

breastfeeding

28

type of soil preferred by hookworms

sandy, warm moist

29

where are infection of hookworms commonly identified

coastal areas

30

initial rxn to larval penetration

itchiness

31

how many days does it take to transform from egg to filariform

5-7 days

32

infective stage, closed mouth, sheathed

filariform

33

IS, open mouth, unsheathed

rhabditiform

34

what type of hookworm can penetrate the deepest vascularized layer

human hookworms

35

lab test for hookworms [2]

stool exam
harada mori technique

36

when to culture using HMT

when there is low parasitemia but with eggs found

37

why kato techniques not ideal for hookworm

glycerol is a clearing agent, more than 30 min of exposure to this will make the hookworm egg transparent

38

clinical features/diseases due to larva [3]

ground itch, dew itch
creeping eruption
pneumonitis [Wakana Disease]

39

clinical features/diseases due to adult [4]

abdominal discomfort
IDA
Stool with occult blood
extreme fatigue, iQ loss

40

treatment for hookworms

albendazole x 1 dose

41

virulence factors [4]

secretions: anticoagulants, hemolysin, hemoglobinases
change of position every hour
continuous sucking = no coagulation
teeth

42

physical vf

teeth

43

Ground itch would cause blank in primary infection

Dry cough wheezing

44

eggs laid per day

5, 000 - 20, 000

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