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Microbiology and Parasitology > Parasitology > Flashcards

Parasitology Flashcards

1
Q

Drug of choice in Entamoeba histolytica infections

A

Metronidazole

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2
Q

Mode of transmission of Entamoeba histolytica

A

Orofecal

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3
Q

Infective stage of Entamoeba histolytica

A

Cyst

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4
Q

Most common disease caused by Entamoeba histolytica

A

Amebic colitis

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5
Q

Drug of choice in eliminating Entamoeba histolytica cysts

A

Diloxanide furoate

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6
Q

Most common extraintestinal form of Entamoeba histolytica infection

A

Amebic liver abscess

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7
Q

Anchovy-paste like aspirate is seen in

A

Amebic liver abscess

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8
Q

Causes backpacker’s diarrhea

A

Giardia lamblia

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9
Q

Drug of choice for giardiasis

A

Metronidazole

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10
Q

Drug of choice for trichomoniasis

A

Metronidazole

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11
Q

Cervical manifestation in trichomoniasis

A

Strawberry cervix

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12
Q

Mode of transmission of trichomoniasis

A

Sexual

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13
Q

Definitive host of Plasmodium spp.

A

Anopheles flavirostris minimus

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14
Q

Specific Plasmodium species: Malignant tertian fever

A

P. falciparum

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15
Q

Specific Plasmodium species: Benign tertian fever

A

P. ovale

P. vivax

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16
Q

Length of asexual cycle in P. malariae malaria

A

72 hours

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17
Q

Specific Plasmodium species: Banana-shaped gametocytes

A

Plasmodium falciparum

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18
Q

Cause of cerebral malaria

A

Plasmodium falciparum

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19
Q

Balantidium spp. are protozoans that use ___ as their motility part

A

Cilia

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20
Q

Protozoans that use pseudopods to move belong to this group:

A

Sarcodina

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21
Q

What is the incubation period of malaria?

A

1 week to 1 month

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22
Q

What are the second intermediate hosts (2) of Echinostoma ilocanum?

A 
Pila luzonica ("kuhol")
Vivipara angularis ("susong pampang")
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23
Q

Vector of Leishmania spp.

A

Phlebotomus spp. (sandfly)

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24
Q

Drug of choice for Cryptosporidium parvum

A

Nitazoxanide

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25
Q

Drug of choice for trichomoniasis

A

Metronidazole

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26
Q

Drug of choice for hemolytic stage of Trypanosoma brucei rhodisiense infection

A

Suramin

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27
Q

Drug of choice for CNS stage of Trypanosoma brucei rhodisiense infection

A

Melarsoprol

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28
Q

Drug of choice for hemolytic stage of Trypanosoma brucei gambiense infection

A

Pentamidine

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29
Q

Drug of choice for late CNS stage of Trypanosoma brucei gambiense infection

A

Eflornithine

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30
Q

Drug of choice for leishmaniasis

A

Stibogluconate

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31
Q

Drug of choice for radical cure of P. vivax and P. ovale malaria

A

Primaquine

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32
Q

Drug of choice for falciparum malaria

A

Artemether lumefantrine

33
Q

Drug of choice for toxoplasmosis

A

Sulfadiazine pyremethamine

34
Q

Most common extraintestinal amebic infection

A

Amebic liver abscess

35
Q

Drug of choice for asymptomatic cyst carriers of amoeba

A

Diloxanide furoate

36
Q

Unilateral swelling of the eyelids in Chagas disease

A

Romaña’s sign

37
Q

Most common serious complication of Chagas disease

A

Interstitial myocarditis

38
Q

Infective stage of Plasmodium spp. transmitted from a bite of an anopheles mosquito

A

Sporozoites

39
Q

Merozoites are released every 72 hours from lysed RBCs in this particular Plasmodium species

A

P. malariae

40
Q

Coarse stippling found in blood smears in patients with falciparum malaria

A

Maurer clefts or dots

41
Q

Plasmodium species involved when only ring forms and gametocytes are found in the peripheral blood smear

A

P. falciparum

42
Q

Plasmodium species that primarily invades older RBCs

A

P. malariae

43
Q

Form or variant of malaria with predominant gastrointestinal manifestations like vomiting and bloody diarrhea

A

Algid malaria

44
Q

Species implicated in cerebral malaria

A

P. falciparum

45
Q

Plasmodium species associated with nephrotic syndrome in children

A

P. malariae

46
Q

Severe falciparum malaria with RBC hemolysis causing acute tubular necrosis and dark bloody urine

A

Black water fever

47
Q

Helminth that can multiply asexually in humans

A

Echinococcus granulosus

48
Q

The only intracellular helminth causing infection in humans

A

Trichinella spiralis

49
Q

Parasite implicated in nocturnal perianal pruritus

A

Enterobius vermincularis

50
Q

Diagnostic test for Enterobius infection

A

Graham’s scotch tape test

51
Q

Drug of choice for pinworm infection

A

Pyrantel pamoate

52
Q

Also known as pinworm

A

Enterobius vermicularis

53
Q

Drug of choice for trichuriasis or whipworm infection

A

Mebendazole

54
Q

Drug of choice for ascariasis

A

Albendazole

55
Q

Drug of choice for hookworm infection

A

Albendazole

56
Q

Drug of choice for threadworm or stongyloidiasis

A

Ivermectin > Albendazole

57
Q

Drug of choice for Trichinella sp. infection

A

Albendazole

58
Q

Drug of choice for cestode infections

A

Praziquantel

59
Q

Drug of choice for filariasis

A

Diethylcarbamazine

60
Q

Drug of choice for Onchocerca sp. infection

A

Ivermectin

61
Q

Drug of choice for Fasciola hepatic infections

A

Triclabendazole

62
Q

Infective stage of Taenia solium causing neurocystecercosis

63
Q

Syndrome of cough, eosinophilia, and pulmonary infiltrates caused by larval migration

A

Loeffler’s syndrome

64
Q

Parasite capable of hyperinfection, reinfection, and autoinfection where females are pathenogenic

A

Strongyloides stercoralis

65
Q

Cestode infection associated with cobalamin deficiency

A

Diphyllobotrium latum

66
Q

Infective stage of D. latum to humans

A

Plerocercoids

67
Q

The second intermediate host of Fasciola hepatica

A

Watercress

68
Q

Prodrome of headache, fever, chills, diarrhea, and eosinophilia after schistosoma infection

A

Katayama fever

69
Q

Schistosoma egg with a lateral spine

A

Schistosoma mansoni

70
Q

Rash shortly after schistosoma cercariae peentrate into the skin

A

Swimmer’s itch

71
Q

Final host of Echinococcus granulosus

72
Q

Protozoan notorious for causing sexually transmitted infections associated with yellowish copious foul smelling discharge

A

Trichomonas vaginalis

73
Q

Schistosoma species (2) that live in mesenteric veins

A

S. japonicum and S. mansoni

74
Q

Parasite with golden barrel shaped eggs with bipolar plugs

A

Trichuria trichuria

75
Q

Congenital protozoal infection causing intrauterine growth restriction

A

Toxoplasmosis

76
Q

Second intermediate host of the oriental lung fluke

77
Q

The string test can be used to diagnose these two parasitic infections

A

Giardia lamblia

Strongyloides stercoralis

78
Q

Circumoval precipitin test is used to diagnose infection with:

A

Schistosoma spp.

Microbiology and Parasitology (7 decks)

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