Microscopic Features

Question 1

Charcot-Leyden crystals are associated with which organisms?

Answer 1

Entamoeba histolytica Paragonimus westermani Cystoisospora belli

Question 2

Which organism is described as a cross-eyed cyst?

Answer 2

Endolimax nana

Question 3

Which organism is known as the basket of flowers cyst?

Answer 3

Iodamoeba butschlii

Question 4

Which parasite looks like an old man with eyeglasses?

Answer 4

Giardia lamblia

Question 5

Which organism has a conical anterior with a knob-like or nipple-shaped protuberance?

Answer 5

Chilomastix mesnili

Question 6

Which parasite has 1 flagella within the cytostomal fibril Shepherds crook?

Answer 6

Chilomastix mesnili

Question 7

Which malaria parasite forms a rosette schizont?

Answer 7

Plasmodium malariae

Question 8

Which parasite has a crescent shaped macrogametocyte and banana or sausage shaped microgametocyte?

Answer 8

Plasmodium falciparum

Question 9

Which parasite shows a Maltese cross arrangement in RBCs?

Answer 9

Babesia spp

Question 10

Which organism has a string of beads appearance?

Answer 10

Trichuris trichiura

Question 11

Which protozoan has finger like pseudopodia?

Answer 11

Entamoeba histolytica

Question 12

Which protozoan has blunted pseudopodia?

Answer 12

Entamoeba coli

Question 13

Which parasite is pear or lemon shaped?

Answer 13

Chilomastix mesnili

Question 14

Which parasite is pear teardrop or pyriform shaped?

Answer 14

Giardia duodenalis

Question 15

Which protozoan is pyriform in shape?

Answer 15

Trichomonas vaginalis

Question 16

Which ova is lemon barrel football shaped with bipolar plugs Japanese lantern?

Answer 16

Trichuris trichiura

Question 17

Which egg is peanut shaped with a striated shell flattened bipolar plugs and eggshell appearance?

Answer 17

Capillaria philippinensis

Question 18

Which parasite has a kidney shaped single lobed bursa male?

Answer 18

Angiostrongylus cantonensis male

Question 19

Which parasite shows a barbers pole appearance female?

Answer 19

Angiostrongylus cantonensis female

Question 20

Which parasites are generally leaf like in shape?

Answer 20

Trematodes

Question 21

Which flukes have a pitcher or old fashioned light bulb like shape?

Answer 21

Clonorchis sinensis Opisthorchis felineus

Question 22

Which parasite is blade like lancet shaped aspinous with a large ventral sucking disc?

Answer 22

Fasciola lanceolata

Question 23

Which parasite egg is described as hens egg shape?

Answer 23

Fasciolopsis buski

Question 24

Which cestode egg is larger with polar thickening no polar filaments 6 hooklets fried egg appearance knob shaped scolex unarmed rostellum?

Answer 24

Hymenolepis diminuta

Question 25

Which cestode egg is smaller with polar thickening and polar filaments rhomboidal scolex armed rostellum?

Answer 25

Hymenolepis nana

Question 26

Which is the smallest trematode pear or avocado shaped with a genital sucker gonotyl?

Answer 26

Heterophyes heterophyes

Question 27

Which tapeworm has a tree like uterus scolex with 4 cup like suckers no rostellum no hooks unarmed?

Answer 27

Taenia saginata

Question 28

Which tapeworm has a finger like globular scolex with 4 cup like suckers and an armed rostellum with hooks?

Answer 28

Taenia solium

Question 29

Which cestode has a sunken armed rostellum with 2 rows of hooklets?

Answer 29

Taenia saginata asiatica

Question 30

Which cestode has 4 deeply cupped suckers and an armed rostellum with 1 to 7 rows of rose thorn shaped hooklets?

Answer 30

Dipylidium caninum

Question 31

Which cestode has 4 cup like suckers and a prominent rostellum with double rows of 28 to 40 hooklets?

Answer 31

Echinococcus granulosus

Question 32

Which tapeworm has an almond or spoon shaped scolex?

Answer 32

Diphyllobothrium latum

Question 33

Which cestode has hammer shaped hooks spindle shaped ova and rice grain gravid segments?

Answer 33

Raillietina garrisoni

Question 34

Which cestode has a rosette shaped uterus?

Answer 34

Diphyllobothrium latum

Question 35

Which protozoa appear PMN like in stool?

Answer 35

Entamoeba histolytica dispar

Question 36

Which parasite shows Maltese cross and ring form trophozoites?

Answer 36

Babesia spp

Question 37

Which protozoan has a tetrad karyosome in the nucleus?

Answer 37

Dientamoeba fragilis

Question 38

Which parasite egg is coffee bean shaped?

Answer 38

Paragonimus westermani