Malaria

Question 1

What is one group of parasite that is commonly associated with Malaria?

Answer 1

Plasmodium spp

Question 2

Name 2 most common plasmodium spp that causes Malaria

Answer 2

P. Vivax (71%)
P. Falciparum (25%)

Others: P. Malariae, P. Ovale , P. knowlesi

Question 3

What are the modes of transmission for Malaria?

Answer 3

Anopheles Mosquitoes
Transfusion Malaria
Congenital Malaria
Lab-acquired Malaria

Question 4

What is Malaria?

Answer 4

A disease caused by the development of plasmodium spp. within host red blood cells.

Question 5

What ways are there to diagnose Malaria?

Answer 5

Thick blood smear: Presence of parasite
Thin blood smear: Speices of parasite

Question 6

Meaning of cysts and trophozoites?

Answer 6

Cysts: Infective form
Trophozoites: Replicative form

Question 7

What is one test that is sensitive for P. Falciparum?

Answer 7

Dipstick for Histidine-rich protein-2

Question 8

What are some characteristic of P. Falciparum seen from thin blood smear?

Answer 8

Ring form
Gametocytes:
- Crescentic (sausage-shaped)
- RBC hardly seen

Question 9

What are some characteristic of P. Vivax seen from thin blood smear?

Answer 9

Ring form
- 1 nucleus
Growing form:
- Irregular
Infected RBC
- Enlarged
- SchÜffner’s dots

Question 10

What are some characteristic of P. Malariae seen from thin blood smear?

Answer 10

Growing form:
- Band like

Infected RBC:
- Same size
- No SchÜffner’s dots