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Parasitology > Nematodes > Flashcards

Nematodes Flashcards

1
Q

Associated with erratic migration

A

Ascaris lumbricoides

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2
Q

Parasites that can migrate to lungs

A

Ascaris lumbricoides
Hookworms
Strongyloides

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3
Q

Dx test of choice for ascariasis

A

Direct fecal smear (Kato-Katz technique)

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4
Q

DOC for ascariasis

A

Albendazole/ mebendazole

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5
Q

Infective stage of Ascaris lumbricoides

A

Embryonated egg

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6
Q

MOT of Ascaris lumbricoides

A

Ingestion

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7
Q

2 human hookworms

A

Necator americanus

Ancylostoma duodenale

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8
Q

2 animal hookworms

A

Ancylostoma braziliense

Ancylostoma caninum

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9
Q

Symptom for animal hookworm infection

A

Cutaneous larva migrans

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10
Q

High risk group for hookworms

A

Farmers

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11
Q

Infective stage of hookworm

A

Filariform larva

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12
Q

Parasite notorious for causing rectal prolapse and sometimes appendicitis

A

Trichuris trichuria (whipworm)

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13
Q

Parasite that causes perianal itching

A

Enterobius vermicularis (pinworm)

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14
Q

Infective stage of Enterobius vermicularis

A

Eggs

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15
Q

MOT of Enterobius vermicularis

A

Ingestion, inhalation, retroinfection

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16
Q

Dx test for Enterobius vermicularis

A

Graham’s scotch-tape swab

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17
Q

MOT for threadworm

A

Skin penetration

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18
Q

Infective stage of Strongyloides stercolaris

A

Filariform larva

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19
Q

MOT of Capillaria philippinensis

A

Ingestion of larvae in raw fish

20
Q

Unshelled peanut-shaped egg belongs to __

A

Capillaria philippinensis

21
Q

Where is Capillaria 1st discovered?

22
Q

Causes malabsorption of fats and sugars, cachexia

High IgE, flattened intestinal villi

A

Capillaria philippinensis

23
Q

Pudoc’s disease

A

Capillariasis

24
Q

DOC for Capillariasis

A

Albendazole for 10 days

Mebendazole for 20 days

25
Q

Lymphatic filaria parasites

A

Wuchereria bancrofti

Brugia malayi

26
Q

Infective stage of filarial parasites

27
Q

Presents with lymphatic obstruction leading to elephantiasis

A

Filariasis

28
Q

Loeffler-like syndrome caused by microfilaria of W. bancrofti

A

Tropical pulmonary eosinophilia

29
Q

Gold standard for dx filariasis

A

Concentration method

30
Q

Drug of choice for bancroftian filariasis

31
Q

Manifests with eosinophilic meningoencephalitis

A

Angiostrongylosis

32
Q

Intermediate host of Rat lungworm

A

Acatina fulica (garden snail)

33
Q

Diagnosis of trichinella spiralis

A

Muscle biopsy

34
Q

MOT of Trichenella spiralis

A

Ingestion of raw pork

35
Q

Most common tapeworm

A

Taenia saginata

36
Q

Infective stage of pork tapeworm

A

cysticercus cellulosae

37
Q

Infective stage of beef tapeworm

A

Cysticercus bovis

38
Q

Neurocysticercosis MOT

A

fecal-oral

39
Q

DOC of taeniasis

A

Praziquantel

40
Q

Part of taenia that is ingested by the animals

A

Gravid proglottid (body segment)

41
Q

Criteria for cure of taeniasis

A

Recovery of scolex

Negative stool exam 3 mos after tx

42
Q

MOT of taenia solium infection

A

Ingestion of raw pork

43
Q

DOC for pork tapeworm cysticercosis

A

Praziquantel for 15-25 days

44
Q

Rat tapeworm

A

Hymenolepis diminuta

45
Q

Intermediate host of rat tapeworm

46
Q

Intestinal nematodes

A 
Giant roundworm
Hookworms 
Whipworm
Pinworm
Threadworm
Capillaria philippinensis

Parasitology (6 decks)

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