Small Group: Parasitic Diseases Flashcards
There is widespread resistance to ______________ among cases of malaria in Africa.
sulfadoxine-pyrimethamine
P. falciparum forms knobs on RBCs that __________________.
facilitate attachment to endothelium and other RBCs (which furthers the infection)
___________ is the most effective and has the fewest side effects of the prophylactic antimalarials, but ___________ is commonly given due to cost concerns.
Malarone (atovaquone/proguanil); mefloquine
The _____________ form of Plasmodium looks like rigns.
trophozoite
Review the malaria life cycle.
- Mosquitoes bite a host and pick up gametocytes
- Gametocytes mature into sporozoites inside mosquitoes
- Mosquito bites another animal and transmits sporozoites to host blood stream
- Sporozoites travel to liver
- Sporozoites mature in liver and get released as merozoites
- Merozoites mature inside RBCs
- Merozoites mature into trophozoites inside RBCs
- These are referred to as schizonts when greater than 12 are in one RBCs
- Schizonts rupture and release merozoites into blood
- Some merozoites in RBCs can mature into gametocytes
Tsetse flies usually leave a ___________ at the site of Trypansoma inoculation.
chancre
The Reduviid bug lives in _______________.
the crevices of houses made of mud
Severe calorie and protein deficiency in a toddler is called _____________.
marasmus
True or false: beriberi is B12 deficiency.
False. It is B1 deficiency.
Rectal prolapse can be caused by which worm?
Trichuris (whipworm)
What is Resomal?
REhydration SOlution for MALnourished children
A fluid that is rich in sugar and minerals but has lower sodium than usual to avoid triggering heart failure
What form of E. histolytica is found in liver abscesses?
Trophozoites
E. histolytica is not killed by _____________.
chlorination
What histologic sign identifies E. histolytica?
RBCs endocytosed in a trophozoite found in the stool
