Lec 09 Malaria

Question 1

What is the insect vector of malaria?

Answer 1

female Anopheles mosquito

Question 2

What tissue is infected by the sporozoite stage of Anopheles?

Answer 2

liver parenchyma

Question 3

What is the term used to refer to the maturation of sporozoites into schizonts?

Answer 3

exoerythrocytic schizogyny

Question 4

The merozoites of which 2 species reinvade the liver tissue to form hypnozoites?

Answer 4

P. vivax, P. ovale

Question 5

Where does the sporogonic cycle occur?

Answer 5

gut of the Anopheles mosquito

Question 6

What are the two parts of the asexual cycle of Anopheles?

Answer 6

schizogony, gametogony

Question 7

What is the “invasive stage” of the Anopheles life cycle?

Answer 7

merozoite

Question 8

What are the 4 ways that malaria can be transmitted?

Answer 8

mosquito bite, blood transfusion, sharing of contaminated needles, placental transfer

Question 9

What is the most common Plasmodium species?

Answer 9

P. falciparum

Question 10

Which of the three stages of P. falciparum observable in microscopy indicates a bad prognosis?

Answer 10

schizonts