introduction to parasitology

Question 1

what is a parasite

Answer 1

A parasite is an organism that lives in another organism (host) and gets its food at the expense of this host

Question 2

what are characteristics of protozoa

Answer 2

one celled organism, can be free living or parasitic

Question 3

what is the transmission for protozos that live in a human intestine

Answer 3

fecal-oral route

Question 4

what is the transmission for protozos that live in the blood or tissue in humans

Answer 4

arthropod vector

Question 5

whats the mosquito vector

Answer 5

anopheles mosquito

Question 6

where does the malaria infection mature?

Answer 6

matures in liver

Question 7

what does malaria re enter the circulation as?

Answer 7

merozoites

Question 8

what is the cause of reddish brown pus

Answer 8

entamoeba histolytica

Question 9

what are the three main ways Leishmaniasis disease can be presented

Answer 9

cutaneous, muco-cutaneous
(skin or mucosal ulceration)
visceral (fever, weight loss and hepato-splenomegaly)

Question 10

what are the three types of helminths

Answer 10

nematodes- round worms
cestodes- tapeworms
trematodes- flatworms

Question 11

what are the three major species of schistosomes?

Answer 11

S. haematobium (bladder)
S. mansoni (intestinal)
S japonicum (intestinal)

Question 12

whats the intermediate host of schistosomiasis

Answer 12

snail

Question 13

what and where does schistosomes mature?

Answer 13

liver and mature into worms (schistosomes)

Question 14

what is Helminth infection accompanied by

Answer 14

Eosinophilia

Elevated IgE