Parasitology

Question 1

Scolex: Quadrate, NO ROSTELLUM OR HOOKLETS; 4 suckers

Answer 1

T. saginatta

Question 2

Quadrate, has rostellum/hooklets, 4 suckers

Answer 2

T. solium

Question 3

Number of lateral branches of T.saginatta

Answer 3

15-30

Question 4

Number of lateral branches of T.solium

Answer 4

7-15

Question 5

Dichotomous or tree-like proglottid

Answer 5

T.saginatta

Question 6

Dendritic or finger-like proglottid

Answer 6

T.solium

Question 7

Eye infection resulting from contaminated eye care solutions (homemade saline)

Answer 7

Acanthamoeba spp.

Question 8

Most sensitive method for the recovery of Acanthamoeba spp.

Answer 8

Non-nutrient agar culture seeded with E.coli

Question 9

Schuffner’s dots

Answer 9

P.vivax

Question 10

Schuffner’s dots

Answer 10

P.vivax

Question 11

James dots

Answer 11

P.ovale

Question 12

Maurer’s dots

Answer 12

P.falciparum

Question 13

Ziemann’s dots

Answer 13

P.malariae

Question 14

Amoeboid trophozoite

Answer 14

P.vivax

Question 15

Fimbriated edges of trophozoite

Answer 15

P.ovale

Question 16

Trophozoite have multiple rings

Answer 16

P.falciparum

Question 17

Band trophozoites

Answer 17

P.malariae

Question 18

Highest number of merozoites

Answer 18

P.falciparum (24)
P.vivax(16)
P.ovale, P.malariae (8)

Question 19

all stages are seen in PBS

Answer 19

P.vivax; P.ovale

Question 20

What stage is P.falciparum seen in PBS

Answer 20

Young and few gametocytes

Question 21

P.malariae stages which are seen in PBS

Answer 21

Few rings;

Mostly TROPHS and SCHIZONTS

Question 22

Causes Benign Tertian Malaria

Answer 22

P.ovale & P.vivax

Question 23

What diseases does P.falciparum causes

Answer 23

Malignant Tertian Malaria;

BLACK WATER FEVER

Question 24

Causes QUARTAN malaria

Answer 24

P.malariae

Question 25

How is Cryptosporidiosis diagnosed?

Answer 25

Observation of small, oval, or spherical oocysts in the stool

Question 26

Methods used to enhance the oocysts observation in the stool for dx of Cryptosporidiosis

Answer 26

Formalin-ethyl acetate sedimentation method; Sheather’s sugar flocculation method

Question 27

What color does Modified acid-fast method stains the oocysts

Answer 27

Bright pink to red