Pathogenic Properties of Protozoa

Question 1

Plasmodium

Answer 1

1. Cause Malaria

2. Invade host cells and reproduce within them, causing their rupture

Question 2

Which protozoa causes malaria?

Answer 2

Plasmodium

Question 3

Toxoplasma

Answer 3

1. Cause Toxoplamosis
2. Toxoplasma attaches to macrophages and gains entry by phagocytosis
3. The parasite prevents normal acidification and difestion; thus, it can grow in the phagocytic vacuole

Question 4

Giardia lamblia

Answer 4

1. Cause: Giardiasis
2. Attach to host cells and digest the cells and tissue fluids
3. Evade host defense and cause disease for very long periods of time

Question 5

Trypanosoma

Answer 5

1. Cause African trypanosomiasis (sleeping sickness)