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Block 6 Week 5 > Parasitology Table: Nematodes > Flashcards

Parasitology Table: Nematodes Flashcards

1
Q

What is the common name for Enterobius vermicularis?

A

pinworm

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2
Q

What is the infective form of Enterobius vermicularis?

A

embryonated egg

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3
Q

What is the transmission method for Enterobius vermicularis? What is the non-human host?

A

fecal-oral; none

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4
Q

What is the habitat in humans for enterobius vermicularis?

A

colon

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5
Q

What is the disease/pathology caused by Enterobius vermicularis?

A

mild GI symptoms; pruritis ani (scratching may lead to cellulitis)
**autoinfection may occur if eggs hatch and larvae migrate back into the colon

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6
Q

What is the diagnostic method for Enterobius vermicularis?

A

scotch-tape eggs/adults

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7
Q

What drugs are used for Enterobius vermicularis?

A

pyrantel pamoate

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8
Q

What is the common name for Trichuris trichiura?

A

whipworm

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9
Q

What is the infectious form for Trichuris trichiura?

A

embryonated egg

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10
Q

What is the transmission method for Trichuris trichiura? What is the non-human host?

A

fecal-oral; none

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11
Q

What is the habitat for Trichuris trichiura?

A

colon

rectum

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12
Q

What is the disease/pathology caused by Trichuris trichiura?

A

acute dysentery
chronic hemorrhagic colitis
rectal prolapse

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13
Q

What is the diagnostic method for Trichuris trichiura?

A

stool exam for egg

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14
Q

What is the medication of choice for Trichuris trichiura?

A

medendazole

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15
Q

What is the common name for Ascaris lumbricoides?

A

ascariasis

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16
Q

What is the infectious for of Ascaris lumbricoides?

A

embryonated egg

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17
Q

What is the transmission method of Ascaris lumbricoides? What is the non-human host?

A

fecal-oral; none

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18
Q

What is the habitat for Ascaris lumbricoides?

A

small intestine

bile ducts

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19
Q

What is the disease/pathology caused by Ascaris lumbricoides?

A

abdominal distress

intestinal obstruction

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20
Q

What is the diagnostic method for Ascaris lumbricoides?

A

stool exam for egg

eosinophilia

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21
Q

What is the drug of choice for Ascaris lumbricoides?

A

albendazole

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22
Q

What is the common name for Ancylostoma duodenale and Necator americanus?

A

hookworms

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23
Q

What is the infective form of Ancylostoma duodenale and Necator americanus?

A

3rd stage filariform larva

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24
Q

What is the method of transmission of Ancylostoma duodenale and Necator americanus? What is the non-human host?

A

skin contact; none

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25
Q

What is the habitat for Ancylostoma duodenale and Necator americanus?

A

small intestine

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26
Q

What is the disease/pathology caused by Ancylostoma duodenale and Necator americanus?

A

anemia **like 7 mil L of blood lost per day
GI symptoms
edema
ascites

27
Q

What is the diagnostic method for Ancylostoma duodenale and Necator americanus?

A

stool exam for egg

28
Q

What is the drug of choice for hookworms?

A

mebendazole, albendazole

iron supplementation

29
Q

What is the common name for Strongyloides stercoralis?

A

strongyloidiasis

30
Q

What is the infectious form of Strongyloides stercoralis?

A

3rd stage filariform larva

**parasitic and free-living form in its life cycle

31
Q

What is the method of transmission for Strongyloides stercoralis? What is the non-human host?

A

skin contact; reservoirs

32
Q

What is the habitat for Strongyloides stercoralis?

A

small intestine

systemic

33
Q

What is the disease/pathology caused by Strongyloides stercoralis?

A

GI symptoms
watery, mucous-laden diarrhea
autoinfection/hyperinfection

34
Q

What is the diagnostic method for Strongyloides stercoralis?

A

stool exam for LARVAE

eosinophilia

35
Q

What is the drug of choice for Strongyloides stercoralis?

A

ivermectin

36
Q

What is the common name for Trichinella spiralis?

A

trichinosis

37
Q

What is the infectious form of Trichinella spiralis?

A

encysted larva

38
Q

What is the transmission method of Trichinella spiralis? What is the non-human host? What is the habitat in humans?

A

uncooked meat; reservoirs; striated muscle

39
Q

What is the disease/pathology caused by Trichinella spiralis?

A

myositis

systemic inflammation

40
Q

What is the diagnostic method for Trichinella spiralis?

A

muscle biopsy

serology

41
Q

What drugs are used to treat Trichinella spiralis?

A

mebendazole

corticosteroids (for muscle inflammation)

42
Q

What is the common name for Wuchereria bancrofti?

A

lymphatic filariasis

43
Q

What is the infectious form of Wuchereria bancrofti?

A

3rd stage filariform larva

44
Q

What is the transmission method of Wuchereria bancrofti? What is the non-human host?

A

mosquito bite; mosquito

45
Q

What is the habit for Wuchereria bancrofti?

A

lymphatics

blood

46
Q

What is the disease/pathology caused by Wuchereria bancrofti?

A

lymphangitis
fever
elephantiasis

47
Q

What is the diagnostic test for Wucereria bancrofti?

A

blood film for microfilaria

48
Q

What is the drug of choice for Wuchereria bancrofti?

A

diethylcarbamazine

49
Q

What is the common name for Onchocerca volvulus?

A

river blindness

50
Q

What is the infectious form of Onchocerca volvulus?

A

3rd stage filariform larva

51
Q

What is the transmission method for Onchocerca volvulus? What is the non-human host?

A

black fly bite; mosquito

52
Q

What is the habitat for Onchocerca volvulus?

A

lymphatics

blood

53
Q

What is the habitat for Onchocerca volvulus?

A

skin
lymphatics
eye (microfilaria)

54
Q

What is the disease/pathology caused by Onchocerca volvulus?

A

lymphangitis
fever
elephantiasis
sclerosing keratitis

55
Q

What is the diagnostic method for Onchocerca volvulus?

A

blood film for microfilaria

56
Q

What is the drug of choice for Onchocerca volvulus?

A

ivermectin

57
Q

What is the common name for Dracunculus medinensis?

A

Guinea worm

58
Q

What is the infectious form of Dracunculus medinensis?

A

3rd stage filariform larva

59
Q

What is the transmission method of Draculunculus medinensis? What is the non-human host?

A

contaminated water; copepod

60
Q

What is the habitat for Draculunculus medinensis?

A

viscera and skin

61
Q

What is the disease/pathology caused by Draculunculus medinensis?

A

skin ulcer/inflammation

62
Q

What is the diagnostic method for Draculunculus medinensis?

A

identify adult female worm

63
Q

What is the med of choice for Draculunculus medinensis?

A

mebendazole

Block 6 Week 5 (11 decks)

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