Ciliates

Question 1

What is the largest intestinal protozoa?

Answer 1

Balantidium coli

Question 2

What stage/s does a Balantidium coli exhibit?

Answer 2

Trophic and Cystic stages

Question 3

What is the only pathogenic ciliates that inhabit the large intestine?

Answer 3

Balantidium coli

Question 4

What is the size and shape of the trophozoite of Balantidium coli?

Answer 4

30 to 150 microns long and 25 to 120 microns wide. Ovoid shaped

Question 5

What is the movement of a Balantidium coli?

Answer 5

Directional in rolling motion

Question 6

How is Balantidium coli transmitted or acquired?

Answer 6

Ingestion of food and water contaminated with B. coli cyst

Question 7

Which part of the body does the ingested cyst of Balantidium coli undergo excystation?

Answer 7

The small intestine and they become trophozoites

Question 8

Which part of the body does the trophozoites inhabit?

Answer 8

The large intestine

Question 9

True or False

B. coli is not a tissue invader

Answer 9

False

B. coli IS a tissue invader

Question 10

What is the drug of choice for treating Balantidium coli?

Answer 10

Metronidazole and Tetracyclene