Platyhelminthes and Nematodes U 3 Test

Ascaris lumbricoides is the scientific name for a ________________ worm.

• pin

• hook

• filarial

• round

An excretory organ found in worms is a

• speta

• nephridium

• setae

• tentacle

Of all the worm phylum's, which one is at least a million count per acre?

• platyhelminthes

• nematoda

• annelida

• hirundinia

Shistosomiasis is a disease that humans can contract from exposure to which type of flatworm?

• Trichinella

• turbellarian

• trematodes

• cestodes

How many body opening do nematodes have?

• 1

• 2

• 3

• 4

Which of the following round worms can cause loa loa, dog heart worms, and elephantitis?

• hook

• pin

• trichnia

• filarial

Enterobious vermicularis is very common in ?

• elderly

• adults

• children

• men

Trichinella spiralis larva is found in ____________ flesh and can be transferred to humans if the meat is undercooked.

• fish

• cow

• snail

• pig

Choose the correct path for the larvae Necator americanus entering and exiting their host.

• foot----respiratory passages--blood--heart--lungs--swallowed--intestines

• foot--blood--respiratory passages--swallowed--intestines--heart--lungs

• foot--blood--heart--lungs--respiratory passages--swallowed--intestines

• foot--intestines--heart--lungs

An external skin of Nematodes that can be shed

• glycocalyx

• endoskeleton

• exoskeleton

• cuticle