Parasitology

Question 1

Maximun time between collection and examination of formed stool

Answer 1

24 hours

Question 2

Parasitic stage recovered in formed stool

Answer 2

Cysts

Question 3

Parasitic stage recovered in soft / semi solid stool

Answer 3

Cysts and trophozoites

Question 4

Parasitic stage recovered in watery / liquid / loose stool

Answer 4

Trophozoites

Question 5

Giant intestinal roundworm

Answer 5

Ascaris lumbricoides

Question 6

Pinworm

Answer 6

Enterobius vermicularis

Question 7

Whipworm

Answer 7

Trichuris trichiuria

Question 8

Oriental liver fluke, Chinese liver fluke

Answer 8

Clonorchis sinensis

Question 9

Profile of a man

Answer 9

Schistosoma mansoni

Question 10

Beef tapeworm

Answer 10

Taenia saginata

Question 11

Pork tapeworm

Answer 11

Taenia solium

Question 12

“3rd Taenia”

Answer 12

Taenia asiatica

Question 13

Dwarf tapeworm

Answer 13

Hymenolepis nana

Question 14

Double-pored tapeworm

Answer 14

Dipylidium caninum

Question 15

Hydatid worm

Answer 15

Echinococcus granulosus

Question 16

Barrel / football / Japanese lantern with bipolar plugs egg

Answer 16

Trichuris trichiuria

Question 17

“D-shaped” / flattened on one side egg

Answer 17

Enterobius vermicularis

Question 18

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

Answer 18

Trichostrongylus spp.

Question 19

Thick striated wall, hexacanth embryo, resembles POLLEN GRAINS egg

Answer 19

Taenia spp.

Question 20

Has bipolar thickenings and POLAR FILAMENTS egg

Answer 20

Hymenolepis nana

Question 21

Has bipolar thickenings but NO HAIR-LIKE FILAMENTS egg

Answer 21

Hyemenolepis diminuta

Question 22

Has OPERCULIM and abopercular protruberance similar to P. westermani egg

Answer 22

Diphyllobothrium latum

Question 23

Small LATERAL knob/spine egg

Answer 23

Schistosoma japonicum

Question 24

Has a TERMINAL SPINE; seen in URINE egg

Answer 24

Schistosoma haematobium

Question 25

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

Answer 25

Schistosoma intercalatum

Question 26

Has LARGE LATERAL spine shaped like rose thorns egg

Answer 26

Schistosoma mansoni

Question 27

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

Answer 27

Clonorchis sinensis

Question 28

Has a thick cuticle and large uterus with rhabditoid larvae

Answer 28

Adult Dracunculus medinensis

Question 29

Female has "BARBER'S POLE PATTERN"

Answer 29

Adult Angiostrongylus cantonensis

Question 30

7-15 fingerlike branches proglottids / strobila

Answer 30

Taenia solium

Question 31

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

Answer 31

Taenia saginata

Question 32

Rice grain proglottids / strobila

Answer 32

Dipylidium caninum

Question 33

Rosette-like coiled uterus of proglottids / strobila

Answer 33

Diphyllobothrium latum

Question 34

Cestode with cephalic cone

Answer 34

Adult Fasciola hepatica

Question 35

Infective stage of Trichuris and Ascaris

Answer 35

Embryonated egg

Question 36

Infective stage of Paragonimus

Answer 36

Metacercaria

Question 37

Infective stage of Schistosoma spp.

Answer 37

Cercaria

Question 38

Infective stage of Taenia saginata

Answer 38

Cysticercus bovis

Question 39

Infective stage of Diphyllobothrium latum

Answer 39

Plerocercoid larva

Question 40

Infective stage of Leishmania

Answer 40

Promastigote

Question 41

1st intermediate host of all flukes

Answer 41

Snail

Question 42

2nd intermediate host of Heterophyes, Clonorchis, Opistorchis

Answer 42

Fish

Question 43

2nd intermediate host of Paragonimus

Answer 43

Crabs and crayfish

Question 44

2nd intermediate host of Fasciola and Fasciolopsis

Answer 44

Plant

Question 45

2nd intermediate host of Echinostoma and Schistosoma

Answer 45

Snail

Question 46

2nd intermediate host of Diphyllobothrium latum

Answer 46

Freshwater fish

Question 47

Intermediate host of Taenia asiatica

Answer 47

Pigs, wild boars, monkeys

Question 48

Intermediate host of Echinococcus multilocularis

Answer 48

Rodents

Question 49

Plasmodium falciparum has a paroxysmal cycle of

Answer 49

36 hours

Question 50

Most prevalent malarial parasite in the Philippines

Answer 50

Plasmodium falciparum

Question 51

Causes BLACKWATER FEVER (intravascular hemolysis with dark urine)

Answer 51

Plasmodium falciparum

Question 52

Plasmodium falciparum contains a specific protein called

Answer 52

Histidine- rich protein II

Question 53

Maurer's dots

Answer 53

Plasmodium falciparum

Question 54

Crescent / banana / sausage-shaped gametocyte

Answer 54

Plasmodium falciparum

Question 55

Plasmodium vivax has a paroxysmal cycle of

Answer 55

48 hours

Question 56

Most prevalent malarial parasite in the WORLD

Answer 56

Plasmodium vivax

Question 57

It has an AMEBOID mature trophozoite

Answer 57

Plasmodium vivax

Question 58

Schuffner's dots

Answer 58

Plasmodium vivax

Question 59

Plasmodium ovale has a paroxysmal cycle of

Answer 59

48 hours

Question 60

James dots (or Schuffner's dots)

Answer 60

Plasmodium ovale

Question 61

Plasmodium malariae has a paroxysmal cycle of

Answer 61

72 hours

Question 62

It has a BAND FORM mature trophozoite

Answer 62

Plasmodium malariae

Question 63

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

Answer 63

Mature schizont

Question 64

Ziemman's dots

Answer 64

Plasmodium malariae

Question 65

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

Answer 65

Baermann Funnel

Question 66

Laboratory method to detect Giardia

Answer 66

Entero (string test)

Question 67

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

Answer 67

FECT (formalin-ether / ethyl acetate concentration technique)

Question 68

4 Layers of FECT

Answer 68

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

Question 69

Laboratory method for Strongyloides and Hookworms

Answer 69

Harada-Mori Technique

Question 70

In Harada-Mori Technique, Strongyloides moves

Answer 70

Upward

Question 71

In Harada-Mori Technique, Hookworm moves

Answer 71

Downward

Question 72

Laboratory method where cellophane is soaked in glycerol- malachite green

Answer 72

Kato- Katz Smear

Question 73

Laboratory method for detection of microfilariae

Answer 73

Knott's concentration

Question 74

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

Answer 74

MalaQuick Test

Question 75

Laboratory method that uses fluorescent microscope

Answer 75

Quantitative Buffy Coat

Question 76

Laboratory method for detection of Enterobius vermicularis eggs

Answer 76

Scotch Tape Swab

Question 77

Skin biopsy for detection of Onchocerca volvulus

Answer 77

Skin Snip

Question 78

Gold standard stain for diagnosis of malarial thick and thin smear

Answer 78

Giemsa stain

Question 79

Stain used for demonstration of uterine branches of Taenia spp.

Answer 79

India ink

Question 80

Emulsifying agent for stool and stains nuclei of protozoans

Answer 80

Lugol's iodine

Question 81

Recommended stain for intestinal MICROSPORIDIA

Answer 81

Modified Trichrome stain

Question 82

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

Answer 82

Wet mount (NSS, iodine)

Question 83

Laboratory test for detection of Trypanosoma cruzi

Answer 83

Xenodiagnosis

Question 84

To detect Trypanosoma cruzi, what animal is used

Answer 84

Reduviid bugs

Question 85

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

Answer 85

1.18