malaria

Question 1

what causes malaria

Answer 1

a protoctistan parasite called plasmodium

Question 2

how does malaria spread

Answer 2

via a vector female anopheles mosquito

Question 3

outline the lifecycle of the malaria parasite

Answer 3

1) anopheles mosquito bites human injecting sporozoites
2) sporozoites enter liver infecting liver cells
3) they undergo mitosis
4) liver cells rupture and merozoites released
5) merozoites produce gametes
6) new mosquito takes infected blood
7) gametes undergo meiosis
8) they migrate through midgut wall of mosquito and sporozoites develop

Question 4

what are the symptoms of malaria

Answer 4

1) shaking chills
2) high fever
3) profuse sweating
4) headache and nausea
5) vomiting
6) diarrhoea

Question 5

how is malaria treated

Answer 5

1) antimalaria drugs = before during and after the trip
2) chloroquine which reduces number of parasites in the body
3) artemether

Question 6

how is malaria prevented

Answer 6

1) mosquito nets at night
2) insect repellent
3) long sleeved clothing
4) draining standing water
5) insecticide