OTHER PROTOZOANS

Question 1

Treatment of choices for blastocystis hominis (3)

Answer 1

1. Metronidazole
2. Iodoquinol
3. TMP-SMX (Trimethoprim-sulfamethoxazole)

Question 2

Difference of thick and thin-walled cyst in blastocystis hominis

Answer 2

Thick-walled: external transmission
Thin-walled: reinfection

Question 3

Mode of infection in Balantidium coli

Answer 3

Ingestion of food and/or water contaminated with Balantidium coli cyst

Question 4

Primary reservoir of Balantidium coli

Answer 4

Pigs or swine

Question 5

Treatment of choice for Balantidium coli (2)

Answer 5

Tetracycline
Metronidazole

Question 6

What test for diagnosis detect parasite antigens?

Answer 6

Malarial Rapid Diagnostic Tests

Question 7

How are cysts easily inactivated by?

Answer 7

Heat and 1% sodium hypochlorite

Question 8

What kind of reproduction is produced in Balantidium coli sexually and axesually?

Answer 8

Sexual: conjugation
Asexual: transverse binary fission

Question 9

Differentiate the shape of the Trophozoite and Cyst stage of Balantidium coli

Answer 9

Trophozoite: ovoid to sac-shaped
Cyst: Spherical or subspherical to slightly ovoid in shape

Question 10

Ordinary chlorination of water is ______ against B. coli cyst

Answer 10

Not effective

Question 11

Infective and diagnostic stage of Balantidium coli

Answer 11

Infective: Cyst

Diagnostic: Trophozoites and Cyst