Parasitology

Question 1

Parasite

Answer 1

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

Question 2

Malaria

Answer 2

Tropical disease that causes most deaths globally

mosquito borne disease caused by a parasite

Plasmodium Flaciparum

Question 3

Protozoa that live in the human intestine

Answer 3

fecal-oral route

Question 4

Protozoa that live in the blood or tissue of humans

Answer 4

anthropod vector

Question 5

Malaria infections

Answer 5

sporozoites injected under skin by mosquito

travel through the blood and enter the liver

mature in liver and re-enter circulation as merozoites

invade red cells

Question 6

Amoebic Dystenery

Answer 6

Diarrhoea with blood/pus

entamoeba histolytica

trophoozoite ingest red cells by throwing out pseudopodia

Question 7

Leishmaniasis

Answer 7

infection by bite of sandflies

Question 8

Helminths

Answer 8

worms

Question 9

Nematodes

Answer 9

round worms

threadlike - found in children

ingested eggs hatch inside intestine

Question 10

cestodes

Answer 10

tapeworms

larval cysts ingested in meat

Question 11

trematodes

Answer 11

flatworms

flukes

fresh water - penetrate human skin (swimmers itch)

mature in liver into worms that migrate to the bladder - cause inflammation in bladder or intestinal wall