3. Protozoa (II)

Question 1

Motility of B. coli

Answer 1

Rotary, boring, or rolling motility

Question 2

Protozoan that has a double protective cyst wall

Answer 2

B. coli

Question 3

DS of B. coli

Answer 3

Cysts

Trophozoites

Question 4

Morphologically similar to B. coli but is nonpathogenic

Answer 4

Balantidium suis

Question 5

IS of B. coli

Answer 5

Cysts

Question 6

Coccidian protozoa that does not produce sporocysts

Answer 6

Cryptosporidium parvum

Question 7

IS of C. parvum

Answer 7

Oocyst

Question 8

DS of C. parvum

Answer 8

Oocysts

Question 9

IS of Isospora belli

Answer 9

Oocyst

Question 10

DH of I. belli

Answer 10

Humans

Question 11

Protozoans with double cell wall

Answer 11

Acanthamoeba spp.

I. belli

Question 12

Protozoa that autofluoresce under UV microscope

Answer 12

Cyclospora cayetanensis

Question 13

DS of C. cayetanensis

Answer 13

Oocysts

Question 14

IS of C. cayetanensis

Answer 14

Oocysts

Question 15

DS for Microsporidia spp.

Answer 15

Spores

Question 16

IS of Microsporidia spp.

Answer 16

Spores

Question 17

Most commonly isolated Microsporidia spp.

Answer 17

Enterocytozoon bieneusi

Question 18

Injected by Microsporidia spores into host cells

Answer 18

Sporoplasm

Question 19

Cyst: has a central vacuole surrounded by several peripheral nuclei

Answer 19

Blastocystis hominis

Question 20

IS of B. hominis

Answer 20

Cyst

Question 21

Causes Toxoplasmosis

Answer 21

Toxoplasma gondii

Question 22

IS of T. gondii

Answer 22

Oocyst

Question 23

DH of T. gondii

Answer 23

Cat

Question 24

Actively multiplying trophozoite of T. gondii

Answer 24

Tachyzoites

Question 25

Slow-growing trophozoite of T. gondii; forms cysts

Answer 25

Bradyzoites

Question 26

Largest protozoan

Answer 26

Balantidium coli