Phylum Ciliophora Lecture

Question 1

Initially identified as Paramecium coli by? In what year?

Answer 1

Malmsten,1857

Question 2

Balantidium coli is the causative agent of the zoonotic disease called

Answer 2

balantidiasis
balantidiosis/ balantidial dysentery

Question 3

Normal host of B. coli

Answer 3

Pigs

Question 4

Balantidium coli passes its life cycle in one host and exists in 2 forms:

Answer 4

Trophozoite
cyst

Question 5

Length size of B. coli trophozoite

Answer 5

50-100um

Question 6

Width size of B.coli trophozoite

Answer 6

40-70um

Question 7

Shape of B.coli trophozoite

Answer 7

ovoid to sac-shaped

Question 8

What are the Nuclei of B.coli trophozoite

Answer 8

Macronucleus: Large, kidney-bean shaped
Micronucleus: small round

Question 9

It is a funnel-shaped and placed on the anterior end in B.coli

Answer 9

Cytostome

Question 10

It is funnel-shaped and placed on the posterior end in B.coli

Answer 10

Cytopyge

Question 11

What is the motility of B. coli trophozoite?

Answer 11

Rotary
boring

Question 12

Shape of B. coli cyst

Answer 12

spherical to oval

Question 13

Size of B.coli cyst

Answer 13

44-65um

Question 14

Cyst of B. coli contains:

Answer 14

Macronucleus
Micronucleus
but Micronucleus may not be observed

Question 15

Generalized symptoms and signs of B.coli

Answer 15

Chronic and recurrent diarrhea, abdominal pain, cramping, vomiting, weakness and weight loss