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Flashcards in Micro GI parasites Deck (65):
1

forms cysts of up to 4 nuclei

entaboeba histolytica or giardia

2

entamoeba histolytica causes

amoebic dysentary

3

sx of emobic dystentary

mucoid bloody diarrhea. Lower GI pain w nausea

4

flask-like lesion

entaboeba histolytica

5

can form extra-intestinal abcesses

entaboeba histolytica

6

most common site of entaboeba histolytica abcesses

liver

7

resivoir of entaboeba histolytica

asymptomatic carrier people

8

dx of entaboeba histolytica

hx of contact with potentially contaminated food/water
ID of cysts or thophozites in stool
sigmoidoscopy

9

treatment of entaboeba histolytica

metronidazole

10

how to avoid protazoa while travelling

no fresh fruit/veg and bottled water

11

enterobious causes

pinworm

12

how pinworms enter the body

ingestion of the fertilzed ovum

13

pinworms hatch in the...

SI

14

location of pinworm eggs

perianal folds

15

mode of autoinfection of pinworm

ova hatch in perianal folds and travel back into rectum and colon

16

most common helminth infection in US

pinworm

17

spread of pinworm

contact with ova-laden fomites or person to person contact

18

sx of pinworm

itchi anus
cranky, tired kids

19

risk of pinworm infection

scratching may lead to bacterial infection
vagina granulomas
bowel penetration and granulomas

20

dx of pinworm

hx and contact with infected people
scotch tape test

21

treatment of pinworm

pyrentel pamoate (all close contacts need to be treated)
serious cleaning and hygeine

22

how ascaris gets into the person

injestion of fertilized ovum - usually unwashed veg

23

where ascarias goes once hatched

penetrate mucosal gut, get into circulation, go to lungs, coughed up into pharynx, swollowed - travel to SI and mature. mate and eggs are deposited with stool

24

common areas of ascaris

southern US

25

can cause pneumonitis, and asthma-like sx in heavy infection

ascaris

26

can cause bile blockage, gut perforation, and possible intestinal blockage

ascaris

27

dx of ascaris

ova in stool

28

DOC for ascaris

-azoles

29

causes whipworm

tricuris tricuria

30

how whipworm enters the body

ingestion of ova

31

burrows into mucosa and leaves posterior exposed into lumen

whipworm

32

lower abdominal pain, bloddy diarrhea,eosinophilia, possible recal prolapse

whipworm

33

can cause rectal prolapse

whipworm

34

can cause anemia in heavy infections

whipworm

35

football shaped ova in stool

whipworm

36

how hookwrom enters the body

larvae in soil enters feet

37

travel of hookworm

larvae enter feet, migrate to lung, coughed up to trachea and swallowed - developed into maturity in SI

38

necatror americanus

hookworm

39

transmission from "night soil"

hookworm

40

itchy feet, possible lung issues, GI issues, and anemia

hookworm

41

can cause an asthma attack in repeated infections

hookworm

42

can cause chronic anemia, emaciation, heart problems and possibly lethal

hookworm

43

dx of hookworm

ID of ova in stool

44

tear droped protozoa with flagella

giardia

45

attaches to SI wall with suckers

giardia

46

resiovoir of giardia

beaver and muskrat

47

can be transmitted in day care centers

giardia

48

mild to severe GI upset with fatty diarrhea

giardia

49

zoonisis spread by animal resivirs in drinking eater

crypto

50

problem in immunocompromised

crypto

51

stains positive with acid fast stain

crypto

52

strongylodies stercoralis causes

threadworm

53

can enter the infect via direct development, autoinfection or free living

threadworm

54

worm simiar to hookworm that is id'd by larvea in stool

threadworm

55

infectino aquired by ingestion of undercooked fish

broadfish tapeworm

56

diphyllobothrium latum

broadfish tapeworm

57

larval stage mediated by free-floating crustatean

broadfish tapeworm

58

resivoir for broadfish tapeworm

fish eating mammals

59

can consume B12, leading to pernicous anemia

broadfish tapewrm

60

doc for tapeworm

praziquantel

61

animals that can transmitt tapeworm to humans by eating

fish, pork, beef

62

taenia solium

cysticerosis

63

can form cysts in muscle, brain, eye and lung

cysticoerosis

64

way cysticoerosis is transmitted

eating infected raw fish

65

sx occur greatest upon death of parasite

cysticoerosis