Blood protozoa

Question 1

Malaria

Answer 1

Plasmodium

different species have different timeframes

Question 2

48 hour cycle with fever days 48 hour apart

Answer 2

P vivax/ovale

Question 3

Pvivax/ovale dormant form locaiton

Answer 3

liver

Question 4

severe, irregular fever patterns

parasitized RBCs occlud caps in brain, kidneys, lungs

Answer 4

P falciparum

Question 5

72 hour cycle

Answer 5

P malariae

Question 6

Plasmodium trannsmission

Answer 6

mosquito (anopheles)

Question 7

Plasmodium Dx

Answer 7

blood smear; trophozoite ring form (signet ring?)

RBC schizont with merozoites

Question 8

Plasmodium Tx

Answer 8

initial-chloroquine

if resistant-mefloquine

if life-threatening-IV quinidine+G6PD def. test

Pvivax/ovale-add primaquine for hypnozoite (test for G6PD def)

Question 9

fever, hemolytic anemia

Answer 9

Babesia

Question 10

Babesia epidemiology

Answer 10

NE US

Question 11

What increases risk of severe Babesia?

Answer 11

asplenia

Question 12

Babesia transmission

Answer 12

Ixodes tick

same os Borrelia burgdorferi

Question 13

Babesiosis Dx

Answer 13

blood smear; ring form or maltese cross

PCR

Question 14

Babesiosis Tx

Answer 14

atovaquone+azithromycin