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Microbiology > Parasitology > Flashcards

Parasitology Flashcards

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Biology 101 flashcards
0
Q

MC extraintestinal form of Entamoeba histolytica

A

Amoebic liver abscess

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1
Q

Flask shaped colon ulcers

A

Amoebic colitis

Entamoeba histolytica

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2
Q

Amoebic liver abscess shows

A

Anchovy sauce like aspirate

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3
Q

Treatment of cyst carrier state of Entamoeba histolytica

A

Diloxanide furoate

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4
Q

Falling leaf motility

A

Gardia lamblia

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5
Q

Grandfathers / old mans face characteristic

A

Gardia lamblia

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6
Q

MCC of backpackers diarrhea

A

Gardia lamblia

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7
Q

Pathogenesis of Gardia lamblia

A

Gardia lamblia
adhesive disc and lectin facilitate attachement to avoid peristalsis, villous flattening, crypt hypertrophy and disruption of cytoskeleton and ultimately leads to enterocyte apoptosis

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8
Q

Acute infection of Gardia lamblia

A

Excessive flatus with rotten egg like smell

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9
Q

Chronic infection of Gardia lamblia

A

Constipation
Weight loss
Steatorrhea

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10
Q

A protozoa that is acid fast, undergoes shizogony and gametogony - asexual reproduction

A

Cryptosporidium parvum

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11
Q

Causes chronic diarrhea in HIV

CD4 less than 200

A

Cryptosporidium parvum

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12
Q

Treatment for Cryptosporidium parvum

A

Nitazoxanide

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13
Q

Pear shaped flagellated trophozoites

A

Trichomonas vaginalis

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14
Q

Causes Strawberry cervix

A

Trichomonas vaginalis

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15
Q

Disease characterized by watery foul smelling greenish vaginal discharge accompanied by itching and burning

A

Trichomoniasis

Trichomonas vaginalis

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16
Q

Treatment for Trichomonas vaginalis

A

Metronidazole

Treat the partner!

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17
Q

Intermediate host of Plasmodium

A

Man

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18
Q

Definitive host of Plasmodium

A

Mosquito

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19
Q

Transmission of plasmodium

A

Bite of an infected female mosquito

Anopheles flavirostris minimus

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20
Q

Partial immunity seen in individuals who completely recover from Falciparum malaria

A

Premonition

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21
Q

It is a recurrence of symptoms after a temporary abatement 2-4weeks

A

Recrudescence

P falciparum and malariae

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22
Q

It is the return of a disease after an apparent cessation 1-6months

A

Relapse
P ovale and vivax
Reactivation of hypnozoites

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23
Q

Punctate granulations present in RBCs invaded by P ovale and vivax

A

Schuffner dots

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24
Q

Coarse granulations present in RBCs invaded by P falciparum

A

Maurer dots

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25
Q

Fine dots present in RBCs invaded by P malariae

A

Ziemann dots

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26
Q

Complications of P falciparum

A

Cerebral malaria - Durck granulomas
Acute renal failure - black water fever
Septic shock - algid malaria

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27
Q

Areas of high endemicity of malaria

A 
PA KA IngAtan
Palawan
Kalinga Apayao
Ifugao
Agusan del sur
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28
Q

Areas of Malaria with Chloroquine resistant

A

Please Double Care
Palawan
Davao del Norte
Compostella Valley

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29
Q

Definitive host of Toxoplasma gondii

A

Domestic cat

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30
Q

Intermediate hosts of Toxoplasma gondii

A

Humans and other mammals

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31
Q

Toxoplasma gondii causing encephalitis in CT scan shows

A

Ring enhancing lesions

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32
Q

Toxoplasma gondii causing Congenital Toxoplasmosis in CT scan shows

A

Intracranial calcifications

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33
Q

Treatment for Toxoplasma gondii

A

Sulfadiazine plus pyrimethamine

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34
Q

Trypanosoma cruzi is transmitted by

A

Reduviid bug

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35
Q

The most frequently and severely affected tissue in Trypanosoma cruzi

A

Cardiac muscles

Others: glial and reticuloendothelial cells

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36
Q

What do you call the procedure of allowing an uninfected laboratory raised reduviid bug to feed on the patient?

A

Xenodiagnosis

Trypanosoma cruzi

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37
Q

Treatment for Trypanosoma cruzi

A

Nifortimox

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38
Q

Disease caused by Trypanosoma cruzi

A

Chagas disease

39
Q

Periorbital edema in Chagas disease

A

Romanas sign

40
Q

Chronic disease caused by Trypanosoma cruzi is characterized as

A

Myocarditis
Megacolon
Megaesophagus - achalasia

41
Q

Causes sleeping sickness

A

Trypanosoma brucei gambiense/rhodesiense
WaGER
Western Gate
Eastern Road

42
Q

Indurated skin ulcer in sleeping sickness

A

Trypanosomal chancre

43
Q

Enlargement of posterior cervical node in sleeping sickness

A

Winterbottoms sign

44
Q

Hyperesthesia in sleeping sickness

A

Kerandels sign

45
Q

Plasma cells with cytoplasmic immunoglobulin globules in sleeping sickness - encephalitis

A

Mott cells

46
Q

MCC of red tide in the Philippines

A

Pyrodinium bahamense var compressum

US - Alexandrium

47
Q

Free living amoeba acquired while swimming in a contaminated pool

A

Naegleria fowleri

48
Q

Free living amoeba causing granulomatous amebic encephalitis

A

Acanthamoeba castellani

49
Q

The only ciliated protozoan to cause human disease

A

Balantidial dysentery

Balantidium coli

50
Q

Characterized as round based wide necked intestinal ulcers

A

Balantidial dysentery

Balantidium coli

51
Q

Characterized as intraerythrocytic ring shaped trophozoites in tetrads in the form of a Maltese cross

A

Babesiosis

Babesia microti

52
Q

Transmitted by sandfly phlebotomus

A

Leshmania

Leshmaniasis

53
Q

Treatment for Leishmania

A

Antimony compound

54
Q

Disease caused by Leishmania
Cutaneous
Visceral/Kala-azar
Mucocutaneous

A

L tropica
L donovani
L brazilliensis

55
Q

Causes Neurocysticercosis

A

Taenia solium

56
Q

A cestode that Causes megaloblastic anemia

A

Diphylobothrium latum

57
Q

A cestode composed of a scolex and only three proglottids, one of the smallest tapeworms

A

Echinococcus granulosus

58
Q

MC tapeworm in developing countries

A

Hymenolepsis nana

59
Q

Cestode with polar filaments and sixhooked larva

A

Hymenolepsis nana

60
Q

Rat tapeworm

A

Hymenolepsis diminuta

61
Q

MC tapeworm of dogs and cat with barrel shaped proglottids

A

Dipylidium caninum

62
Q

Diagnosis for schistosoma japonicum

A

Kato katz technique

63
Q

A test showing ovoid egg with small hook

A

Circumoral precipitin test

64
Q

Intermediate host of S japonicum

A

Snail Oncomelania hupensis quadrasi

65
Q

Schistosoma that causes hemorrhagic cystitis and bladder cancer

A

Haemotobium

66
Q

It is a systemic hypersensitivity resembling serum sickness

A

Katayama fever

67
Q

Areas of Endemicity of Schistosoma

A 
Sorsogon
Samar
Leyte
Oriental Mindoro
Bohol
All of Mindanao except Misamis Oriental
68
Q

CXR: ring shadowed opacity

A

Paragonimus westermani

69
Q

Asian liver flukes

A

Clonorchis sinensis

70
Q

Stain for clonorchis sinensis

A

Potassium permanganate stain showing ovoid egg with melon like ridges and abopercular protuberance

71
Q

Causes Klatskin Tumor

A

clonorchis sinensis

72
Q

Obstructive jaundice and painful pharyngitis cause by Fasciola hepatica

A

Halzoun

73
Q

Sheep liver fluke

A

Fasciola hepatica

74
Q

Lung fluke

A

Paragonimus westermani

75
Q

Intestinal fluke

A

Heterophyses heterophyes

76
Q

MC and largest intestinal nematode

A

Ascaris lumbricoides

77
Q

Ascaris lumbricoides causes HPS pneumonitis called

A

Loefflers syndrome

78
Q

Whipworm

A

Trichuris trichiura

79
Q

Hookworm

A

Necator americanus

Ancyclostoma duodenale

80
Q

It is characterized as barrel shaped eggs with bipolar plugs (chinese lantern pattern)

A

Trichuris trichiura

81
Q

Pinworm or seat worm

A

Enterobius vermicularis

82
Q

MC soil transmitted helminth in developed countries

A

Enterobius vermicularis

83
Q

Diagnosis for Strongyloides stercoralis

A

Harada mori culture

84
Q

Intestinal nematode

A

Capillaria phillipinensis

85
Q

Only nematode whose life cycle involves a migratory bird

A

Capillaria phillipinensis

86
Q

Characterized as peanut shaped eggs with flattened bipolar plugs

A

Capillaria phillipinensis

87
Q

Most debilitating nematode infection

A

Wuchereria bancrofti

Brugia malayi

88
Q

Small epithelioid granulomas seen in Filariasis

A

Meyers Kouvenaar bodies

89
Q

Causes Calabar swellings - subcutaneous edema

A

Loa loa

90
Q

A worm crawling across the conjunctiva

A

Loa loa

91
Q

Live worm in skin ulcer

A

Dracunculus medinensis

92
Q

Visceral larva migrans

A

Toxocara canis

93
Q

Cutaneous larva migrans

A

Ancyclostoma caninum/braziliense

94
Q

MCC of parasitic meningitis

A

Angiostrongylus cantonensis

Microbiology (10 decks)

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