Helminths- Roundworms&Acanthocephalans

Question 1

What are nematodes called?

Answer 1

Roundworms

Question 2

What group of helminths are:
Extremely diverse and successful
Parasites of plants and animals
Non parasitic free living
The majority of important helminths

Answer 2

Nematodes/roundworms

Question 3

What percent of all species on earth are nematodes?

Answer 3

80%

Question 4

What helminth are:
“Tube within a tube”
Bilaterally symmetrical, cylindrical, elongate body, tapered ends
Covered by chitinous cuticle

Answer 4

Nematodes/roundworms

Question 5

What helminth have a complete GI system with distinct anterior mouth and posterior anus?

Answer 5

Nematodes/roundworms

Question 6

Are male nematodes larger or smaller than females?

Answer 6

Smaller

Question 7

How do nematodes reproduce?

Answer 7

Sexually

Question 8

Varies shapes/sizes of the bucal _______ is biologically important for nematodes

Answer 8

Cavity (mouth)

Question 9

The _____ is diagnostically important for nematodes

Answer 9

Ale

Question 10

What does the tail end of some male nematodes terminate into?

Answer 10

Copulaotry bursa

Question 11

Maturing nematode larvae can migrate to _______ organs inside the body before the adults reach the preferred site of the body

Answer 11

Various

Question 12

There is a ______ variability in nematode eggs shape, size, and shell thickness

Answer 12

High

Question 13

What is the name for inhibited larval development to avoid adverse conditions for development and maturation- adaption to host and environmental conditions?

Answer 13

Hypobiosis

Question 14

What 3 ways can you visualize nematodes?

Answer 14

Vomit
Feces
Serum

Question 15

What are acanthocephalans called?

Answer 15

Thorny-head worms

Question 16

What type of lifecycle do acanthocephalans have?

Answer 16

Indirect

Question 17

What is the intermediate host of acanthocephalans?

Answer 17

Beetles