L28 malaria Flashcards

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1
Q

algid malaria

A

skin is cold but internal temp is high

from falciparum

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2
Q

enlarged organs

A

chronic phase of chagas disease

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3
Q

identifiable features of vivax

A

enlarged infected RBCs with schuffners dots

doesn’t infect many RBCs

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4
Q

vivax is most prevalent in

A

caribbean and latin america

RARE in west africa

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5
Q

this type of malaria has lots of cellular debris causing:

cerebral malaria

algid malaria

gastric malaria

A

falciparum

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6
Q

people with sickle cell are resistant to

A

falciparum

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7
Q

parasitic protozoan transmitted through feces

A

trypanosoma

poops while it bites your face

(chagas dz)

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8
Q

Blackwater fever

A

seen in falciparum:

black urine from lots of Hgb in the urine

+ fever, chills, rigor

due to high parasite numbers

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9
Q

cerebral malaria causes

necrosis, hemorrhages, mania, convulsons

due to

A

falciparum

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10
Q

chagas protozoa life cycle

A

bug poops

trypamastigotes enter

become amastigotes

amastigotes replicate

become trypamastigotes

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11
Q

trypanosoma vector

A

triatomine bugs

aka kissing bugs

(causes chagas dz)

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12
Q

cross like formation in RBCs

A

babesia microti

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13
Q

frequent vomiting similar to whooping cough

A

gastric FALCIPARUM malaria

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14
Q

romanas sign

A

extreme swelling of eyelid near where the parasite entered

acute phase of chagas

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15
Q

receptor for vivax

A

duffy antigen

many people from West African don’t have this

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16
Q

paroxysms every 4th day

A

plasmodium malariae

17
Q

identifiable features of ovale

A

common relapses

most common in West Africa

18
Q

malaria’s main means of resistance

(there are many)

A

efflux pumps

19
Q

identifiable features of plasmodium knowlesi

A

zoonotic

life threating w/ enormous parasite load

SE Asia

20
Q

schuffners dots

A

vivax

21
Q

this malaria species tends to infect young erythrocytes

A

vivax

22
Q

relapses occur frequently with this common malaria…

why?

A

vivax

due to activation of liver hyponzoites

23
Q

New England

warm months

malaria like sxs

small pinpoint lesions

A

babesia microti

24
Q

malaria sxs

A

anemia, hypotension

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

25
Q

babesia microti vector

A

deer tick

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

26
Q

trypanosoma mainly occurs in

A

Mexico, Central, and S. America

(chagas dz)

27
Q

identifiable features of falciparum

A

double or multiple ring stages

crescent shaped gamtocytes

maurers clefts

many infected cells

28
Q

high grade parasitemia that infects RBCs of any age

A

falciparum

29
Q

identifiable features of plasmodium malariae

A

basket and band shaped trophozoits

rosette shaped schizonts

30
Q

chagoma

A

in the acute phase of Chagas

usually around eye

when you can see the trypamastigote