intro to parasites

Question 1

what are the 3 main classes of parasites

Answer 1

protozoa, helminths and ecoparasites

Question 2

what is the structure of protozoa? single cells or multicellular?

Answer 2

single celled organism

Question 3

what is the mode of protozoa transmission?

Answer 3

Protozoa that live in a human’s intestine: faecal-oral route
Protozoa that live in the blood or tissue of humans: insect vector

Question 4

what is the species responsible/cause for malaria?

Answer 4

plasmodium falciparum (type of protozoa parasite)

Question 5

what is the vector for malaria?

Answer 5

anopheles mosquito (female mosquito)

Question 6

What is the life cycle of malaria?

Answer 6

sporozoites injected into skin. they enter the blood then reach the liver. They mature in the liver into merozoites then enter blood stream again.

Question 7

What is the diagnosis of amoebic dysentery?

Answer 7

blood with diarrhoea(caused by enterobiasis)

Question 8

what is the name of the infection causes by a sandfly bite?

Answer 8

Leishmaniasis

Question 9

state the 3 types of helminths
hint; 3 todes

Answer 9

nermatode(e.g. round worm) , trematode(flat worm) and cestodes

Question 10

give an example of a cestode

Answer 10

tapeworm

Question 11

give an example of trematode

Answer 11

flat worm

Question 12

What are the various methods of ingesting a tapeworm?

Answer 12

ingested via meat or faeces

Question 13

what accompanies a helminth infection

Answer 13

high IgE

Question 14

Schistosomiasis is what kind of parasite?

Ascarius lumbricoides is what kind of parasite?

Answer 14

1. trematode /flat worm

2.round worm/nematode

Question 15

plasmodium falipurum falls under what class of parasite?

Answer 15

protozoa ( transmitted via blood or intestinal)