malaria prevention and control

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30 min

How long before sporozoites, that have infected the liver cells, disappear from the bloodstream?

4 weeks

How long should personnel continue to take antimalarial medication upon return from deployment?

6-8 hours for 24-36 hours.

If a sample smear is negative, how often should the sample be repeated?

False

If a sample smear is positive for malaria, the smear should be repeated once a day while there are symptoms present and during treatment.

P. ovale and P. vivax

In what two Plasmodium species does the sporozoite remain dormant in the liver?

Mefloquine and primaquine

Malaria in Southeast Asia has demonstrated resistance to which treatments

False

Malaria transmission is carried by the male Anopheles mosquito.

2

Plasmodium requires _____ hosts to complete its life cycle

12 - 17 days

incubation period for P. vivax

100 mg oral bid

What is the dosage for Doxycycline over a 7 day period as part of malaria treatment?

Gametocytes

What is the name of the male/female sexual forms of the malaria parasite?

preventing of mosquito bites

What is the primary method to avoid malaria infection?

DEET Bed nets sprayed with permethrin.

What personal prevention methods should personnel be utilizing during deployment?

liver

Where does a malaria parasite mature?

venous or capillary blood

Where should blood be taken from to perform a smear?

P. falciparum

Which Plasmodium is the most dangerous?

P. malariae

Which type of malaria has a three-day cycle and can last a lifetime?

Minimize skin exposure

first line of defense against mosquito bites

Young Trophozoite Cellular Division Forming Merozoites (Schizonts) Developmental (RING) Stage Sexually Differentiated Forms (Gametocytes)

malaria parasite stages into growth/development stage order

Anopheles mosquito

primary vector of malaria


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