L28 malaria

Question 1

algid malaria

Answer 1

skin is cold but internal temp is high

from falciparum

Question 2

enlarged organs

Answer 2

chronic phase of chagas disease

Question 3

identifiable features of vivax

Answer 3

enlarged infected RBCs with schuffners dots

doesn’t infect many RBCs

Question 4

vivax is most prevalent in

Answer 4

caribbean and latin america

RARE in west africa

Question 5

this type of malaria has lots of cellular debris causing:

cerebral malaria

algid malaria

gastric malaria

Answer 5

falciparum

Question 6

people with sickle cell are resistant to

Answer 6

falciparum

Question 7

parasitic protozoan transmitted through feces

Answer 7

trypanosoma

poops while it bites your face

(chagas dz)

Question 8

Blackwater fever

Answer 8

seen in falciparum:

black urine from lots of Hgb in the urine

+ fever, chills, rigor

due to high parasite numbers

Question 9

cerebral malaria causes

necrosis, hemorrhages, mania, convulsons

due to

Answer 9

falciparum

Question 10

chagas protozoa life cycle

Answer 10

bug poops

trypamastigotes enter

become amastigotes

amastigotes replicate

become trypamastigotes

Question 11

trypanosoma vector

Answer 11

triatomine bugs

aka kissing bugs

(causes chagas dz)

Question 12

cross like formation in RBCs

Answer 12

babesia microti

Question 13

frequent vomiting similar to whooping cough

Answer 13

gastric FALCIPARUM malaria

Question 14

romanas sign

Answer 14

extreme swelling of eyelid near where the parasite entered

acute phase of chagas

Question 15

receptor for vivax

Answer 15

duffy antigen

many people from West African don’t have this

Question 16

paroxysms every 4th day

Answer 16

plasmodium malariae

Question 17

identifiable features of ovale

Answer 17

common relapses

most common in West Africa

Question 18

malaria’s main means of resistance

(there are many)

Answer 18

efflux pumps

Question 19

identifiable features of plasmodium knowlesi

Answer 19

zoonotic

life threating w/ enormous parasite load

SE Asia

Question 20

schuffners dots

Answer 20

vivax

Question 21

this malaria species tends to infect young erythrocytes

Answer 21

vivax

Question 22

relapses occur frequently with this common malaria…

why?

Answer 22

vivax

due to activation of liver hyponzoites

Question 23

New England

warm months

malaria like sxs

small pinpoint lesions

Answer 23

babesia microti

Question 24

malaria sxs

Answer 24

anemia, hypotension

N/V/D, HA, back pain, myalgia, cough

Question 25

babesia microti vector

Answer 25

deer tick

(why it’s common to be co-infected w/ Lyme)

Question 26

trypanosoma mainly occurs in

Answer 26

Mexico, Central, and S. America

(chagas dz)

Question 27

identifiable features of falciparum

Answer 27

double or multiple ring stages

crescent shaped gamtocytes

maurers clefts

many infected cells

Question 28

high grade parasitemia that infects RBCs of any age

Answer 28

falciparum

Question 29

identifiable features of plasmodium malariae

Answer 29

basket and band shaped trophozoits

rosette shaped schizonts

Question 30

chagoma

Answer 30

in the acute phase of Chagas

usually around eye

when you can see the trypamastigote