Parasites and Antiparasitics

Question 1

Name the 3 classes of multicellular parasites:

Answer 1

They are all helminths:

Nematodes: roundworms (nemo was a ROUND little fish)

Cestodes: tapeworms (tapes ar

Trematodes: Flukes (flukes make me tremble with embassment)

Question 2

Which helminth is infectious throughout it’s lifespan?

Answer 2

Fluke- trematode

Question 3

What stage of parasite is Giardia and how does it infect the body?

Answer 3

Giardia is a trophozoite and it attaches to the brush border of the intestine and cause mechanical irritation- damage to microvilli can result.

Question 4

How are the 3 types of protozoa classified?

Answer 4

By their movements

Question 5

Which type of infection protozoa moves by crawling

Answer 5

Ameobas

Question 6

______ are infection protozoa that move with flagellate tails.

Answer 6

Flagellates (eg. Giardia, Leishmannia, Trichonomiasis)

Question 7

Which protozoa move more not motile?

Answer 7

Sporozoa

Question 8

Describe the life cycle of a protozoa:

Answer 8

Trophoziote, Cyst

Question 9

What are protozoa?

Answer 9

single celled eukaryotes

Question 10

What are helminths

Answer 10

Multicellular organism classified by:

nematode: round worms
cestode: tapeworms
trematodes: flukes or flatworms (both f)