Parasitology Flashcards

1
Q

Maximun time between collection and examination of formed stool

A

24 hours

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2
Q

Parasitic stage recovered in formed stool

A

Cysts

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3
Q

Parasitic stage recovered in soft / semi solid stool

A

Cysts and trophozoites

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4
Q

Parasitic stage recovered in watery / liquid / loose stool

A

Trophozoites

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5
Q

Giant intestinal roundworm

A

Ascaris lumbricoides

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6
Q

Pinworm

A

Enterobius vermicularis

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7
Q

Whipworm

A

Trichuris trichiuria

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8
Q

Oriental liver fluke, Chinese liver fluke

A

Clonorchis sinensis

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9
Q

Profile of a man

A

Schistosoma mansoni

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10
Q

Beef tapeworm

A

Taenia saginata

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11
Q

Pork tapeworm

A

Taenia solium

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12
Q

“3rd Taenia”

A

Taenia asiatica

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13
Q

Dwarf tapeworm

A

Hymenolepis nana

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14
Q

Double-pored tapeworm

A

Dipylidium caninum

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15
Q

Hydatid worm

A

Echinococcus granulosus

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16
Q

Barrel / football / Japanese lantern with bipolar plugs egg

A

Trichuris trichiuria

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17
Q

“D-shaped” / flattened on one side egg

A

Enterobius vermicularis

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18
Q

Similar to hookworm eggs, but has pointed appearance and larger eggs

A

Trichostrongylus spp.

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19
Q

Thick striated wall, hexacanth embryo, resembles POLLEN GRAINS egg

A

Taenia spp.

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20
Q

Has bipolar thickenings and POLAR FILAMENTS egg

A

Hymenolepis nana

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21
Q

Has bipolar thickenings but NO HAIR-LIKE FILAMENTS egg

A

Hyemenolepis diminuta

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22
Q

Has OPERCULIM and abopercular protruberance similar to P. westermani egg

A

Diphyllobothrium latum

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23
Q

Small LATERAL knob/spine egg

A

Schistosoma japonicum

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24
Q

Has a TERMINAL SPINE; seen in URINE egg

A

Schistosoma haematobium

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25
Q

Longer than S. haematobium, acid-fast, seen in FECES egg

A

Schistosoma intercalatum

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26
Q

Has LARGE LATERAL spine shaped like rose thorns egg

A

Schistosoma mansoni

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27
Q

“Old fashion electric bulb”, “CHINESE VASE”, operculated with comma-shaped abopercular knob egg

A

Clonorchis sinensis

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28
Q

Has a thick cuticle and large uterus with rhabditoid larvae

A

Adult Dracunculus medinensis

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29
Q

Female has “BARBER’S POLE PATTERN”

A

Adult Angiostrongylus cantonensis

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30
Q

7-15 fingerlike branches proglottids / strobila

A

Taenia solium

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31
Q

15-20 tree-like branches proglottids / strobila, released following ALCOHOL INGESTION

A

Taenia saginata

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32
Q

Rice grain proglottids / strobila

A

Dipylidium caninum

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33
Q

Rosette-like coiled uterus of proglottids / strobila

A

Diphyllobothrium latum

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34
Q

Cestode with cephalic cone

A

Adult Fasciola hepatica

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35
Q

Infective stage of Trichuris and Ascaris

A

Embryonated egg

36
Q

Infective stage of Paragonimus

A

Metacercaria

37
Q

Infective stage of Schistosoma spp.

A

Cercaria

38
Q

Infective stage of Taenia saginata

A

Cysticercus bovis

39
Q

Infective stage of Diphyllobothrium latum

A

Plerocercoid larva

40
Q

Infective stage of Leishmania

A

Promastigote

41
Q

1st intermediate host of all flukes

A

Snail

42
Q

2nd intermediate host of Heterophyes, Clonorchis, Opistorchis

A

Fish

43
Q

2nd intermediate host of Paragonimus

A

Crabs and crayfish

44
Q

2nd intermediate host of Fasciola and Fasciolopsis

A

Plant

45
Q

2nd intermediate host of Echinostoma and Schistosoma

A

Snail

46
Q

2nd intermediate host of Diphyllobothrium latum

A

Freshwater fish

47
Q

Intermediate host of Taenia asiatica

A

Pigs, wild boars, monkeys

48
Q

Intermediate host of Echinococcus multilocularis

A

Rodents

49
Q

Plasmodium falciparum has a paroxysmal cycle of

A

36 hours

50
Q

Most prevalent malarial parasite in the Philippines

A

Plasmodium falciparum

51
Q

Causes BLACKWATER FEVER (intravascular hemolysis with dark urine)

A

Plasmodium falciparum

52
Q

Plasmodium falciparum contains a specific protein called

A

Histidine- rich protein II

53
Q

Maurer’s dots

A

Plasmodium falciparum

54
Q

Crescent / banana / sausage-shaped gametocyte

A

Plasmodium falciparum

55
Q

Plasmodium vivax has a paroxysmal cycle of

A

48 hours

56
Q

Most prevalent malarial parasite in the WORLD

A

Plasmodium vivax

57
Q

It has an AMEBOID mature trophozoite

A

Plasmodium vivax

58
Q

Schuffner’s dots

A

Plasmodium vivax

59
Q

Plasmodium ovale has a paroxysmal cycle of

A

48 hours

60
Q

James dots (or Schuffner’s dots)

A

Plasmodium ovale

61
Q

Plasmodium malariae has a paroxysmal cycle of

A

72 hours

62
Q

It has a BAND FORM mature trophozoite

A

Plasmodium malariae

63
Q

Rosette / daisy head / fruit pie are characteristics of Plasmodium malariae ______

A

Mature schizont

64
Q

Ziemman’s dots

A

Plasmodium malariae

65
Q

Laboratory method for detection of Strongyloides, sample is wrapped in cheesecloth

A

Baermann Funnel

66
Q

Laboratory method to detect Giardia

A

Entero (string test)

67
Q

Most commonly used method for concentrating eggs, larvae and protozoan cyst

A

FECT (formalin-ether / ethyl acetate concentration technique)

68
Q

4 Layers of FECT

A

Ether / Ethyl acetate (top)
Debris
Formalin
Sediment - parasites (bottom)

69
Q

Laboratory method for Strongyloides and Hookworms

A

Harada-Mori Technique

70
Q

In Harada-Mori Technique, Strongyloides moves

A

Upward

71
Q

In Harada-Mori Technique, Hookworm moves

A

Downward

72
Q

Laboratory method where cellophane is soaked in glycerol- malachite green

A

Kato- Katz Smear

73
Q

Laboratory method for detection of microfilariae

A

Knott’s concentration

74
Q

Laboratory method for detection of HISTIDINE-RICH PROTEIN II (HRP-II) antigen produced by P. falciparum

A

MalaQuick Test

75
Q

Laboratory method that uses fluorescent microscope

A

Quantitative Buffy Coat

76
Q

Laboratory method for detection of Enterobius vermicularis eggs

A

Scotch Tape Swab

77
Q

Skin biopsy for detection of Onchocerca volvulus

A

Skin Snip

78
Q

Gold standard stain for diagnosis of malarial thick and thin smear

A

Giemsa stain

79
Q

Stain used for demonstration of uterine branches of Taenia spp.

A

India ink

80
Q

Emulsifying agent for stool and stains nuclei of protozoans

A

Lugol’s iodine

81
Q

Recommended stain for intestinal MICROSPORIDIA

A

Modified Trichrome stain

82
Q

Laboratory method wherein iodine stains cysts yellow-brown but KILLS trophozoites, chromatoid bodies are not stained

A

Wet mount (NSS, iodine)

83
Q

Laboratory test for detection of Trypanosoma cruzi

A

Xenodiagnosis

84
Q

To detect Trypanosoma cruzi, what animal is used

A

Reduviid bugs

85
Q

In Zinc Sulfate Floatation Technique, ZnSO4 has a S.G of

A

1.18