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GI > Micro GI parasites > Flashcards

Micro GI parasites Flashcards

1
Q

forms cysts of up to 4 nuclei

A

entaboeba histolytica or giardia

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2
Q

entamoeba histolytica causes

A

amoebic dysentary

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3
Q

sx of emobic dystentary

A

mucoid bloody diarrhea. Lower GI pain w nausea

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4
Q

flask-like lesion

A

entaboeba histolytica

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5
Q

can form extra-intestinal abcesses

A

entaboeba histolytica

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6
Q

most common site of entaboeba histolytica abcesses

A

liver

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7
Q

resivoir of entaboeba histolytica

A

asymptomatic carrier people

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8
Q

dx of entaboeba histolytica

A

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

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9
Q

treatment of entaboeba histolytica

A

metronidazole

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10
Q

how to avoid protazoa while travelling

A

no fresh fruit/veg and bottled water

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11
Q

enterobious causes

A

pinworm

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12
Q

how pinworms enter the body

A

ingestion of the fertilzed ovum

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13
Q

pinworms hatch in the…

A

SI

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14
Q

location of pinworm eggs

A

perianal folds

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15
Q

mode of autoinfection of pinworm

A

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

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16
Q

most common helminth infection in US

A

pinworm

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17
Q

spread of pinworm

A

contact with ova-laden fomites or person to person contact

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18
Q

sx of pinworm

A

itchi anus

cranky, tired kids

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19
Q

risk of pinworm infection

A

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

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20
Q

dx of pinworm

A

hx and contact with infected people

scotch tape test

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21
Q

treatment of pinworm

A 
pyrentel pamoate (all close contacts need to be treated)
serious cleaning and hygeine
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22
Q

how ascaris gets into the person

A

injestion of fertilized ovum - usually unwashed veg

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23
Q

where ascarias goes once hatched

A

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

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24
Q

common areas of ascaris

A

southern US

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25
Q

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

A

ascaris

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26
Q

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

A

ascaris

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27
Q

dx of ascaris

A

ova in stool

28
Q

DOC for ascaris

A

-azoles

29
Q

causes whipworm

A

tricuris tricuria

30
Q

how whipworm enters the body

A

ingestion of ova

31
Q

burrows into mucosa and leaves posterior exposed into lumen

A

whipworm

32
Q

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

A

whipworm

33
Q

can cause rectal prolapse

A

whipworm

34
Q

can cause anemia in heavy infections

A

whipworm

35
Q

football shaped ova in stool

A

whipworm

36
Q

how hookwrom enters the body

A

larvae in soil enters feet

37
Q

travel of hookworm

A

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

38
Q

necatror americanus

A

hookworm

39
Q

transmission from “night soil”

A

hookworm

40
Q

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

A

hookworm

41
Q

can cause an asthma attack in repeated infections

A

hookworm

42
Q

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

A

hookworm

43
Q

dx of hookworm

A

ID of ova in stool

44
Q

tear droped protozoa with flagella

A

giardia

45
Q

attaches to SI wall with suckers

A

giardia

46
Q

resiovoir of giardia

A

beaver and muskrat

47
Q

can be transmitted in day care centers

A

giardia

48
Q

mild to severe GI upset with fatty diarrhea

A

giardia

49
Q

zoonisis spread by animal resivirs in drinking eater

A

crypto

50
Q

problem in immunocompromised

A

crypto

51
Q

stains positive with acid fast stain

A

crypto

52
Q

strongylodies stercoralis causes

A

threadworm

53
Q

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

A

threadworm

54
Q

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

A

threadworm

55
Q

infectino aquired by ingestion of undercooked fish

A

broadfish tapeworm

56
Q

diphyllobothrium latum

A

broadfish tapeworm

57
Q

larval stage mediated by free-floating crustatean

A

broadfish tapeworm

58
Q

resivoir for broadfish tapeworm

A

fish eating mammals

59
Q

can consume B12, leading to pernicous anemia

A

broadfish tapewrm

60
Q

doc for tapeworm

A

praziquantel

61
Q

animals that can transmitt tapeworm to humans by eating

A

fish, pork, beef

62
Q

taenia solium

A

cysticerosis

63
Q

can form cysts in muscle, brain, eye and lung

A

cysticoerosis

64
Q

way cysticoerosis is transmitted

A

eating infected raw fish

65
Q

sx occur greatest upon death of parasite

A

cysticoerosis

GI (22 decks)

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