Helminths- Tapeworms&Flukes

Question 1

What are cestodes commonly called?

Answer 1

Tapeworms

Question 2

What helminths:
Flatworms- dorsoventrally flattened body
Segmented body(proglottids)- 3-100s of segments

Answer 2

Tapeworms/cestodes

Question 3

How do cestodes/tapeworms reproduce?

Answer 3

Self fertilization= hermaphrodite

Question 4

What is absent in cestodes that allows them to feed by absorption?

Answer 4

Alimentary canal absent

Question 5

What is cestodes covered by?

Answer 5

Tegument

Question 6

The lifecycle of cestodes are always ________

Answer 6

Indirect

Question 7

What type of tapeworms/cestodes have suckers and eggs non operculated?

Answer 7

Cyclophylidea- taeniid and non-taeniid

Question 8

What type of cestodes/tapeworms have bothria and eggs are operculated?

Answer 8

Pseudophylidea

Question 9

What type of cestode larvae are in the tissues in final intermediate hosts?

Answer 9

Infective larvae

Question 10

What is the infective cestode larval stage in the intermediate hosts, which occur mostly within a cystic structure?

Answer 10

Meta cestodes

Question 11

What are trematodes called?

Answer 11

Flukes

Question 12

What helminths are:
Two suckers- oral and ventral
Hermaphodites
Leaf-like body
No anal opening

Answer 12

Trematodes

Question 13

Trematodes GI tract is __________

Answer 13

Incomplete

Question 14

The body of trematodes/flukes are ___-_________, covered by tegument

Answer 14

Non-segmented

Question 15

What is the first intermediate host of trematodes/flukes?

Answer 15

Snails- aquatic or terrestrial

Question 16

In snails, ________ multiplication of the trematode/fluke larval stage = amplification

Answer 16

Asexual

Question 17

Do trematodes/flukes float or not?

Answer 17

Do not float