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Flashcards in Second Week Deck (10)
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1
Q

All trematoda eggs are operculated except

Select one:

a. Heterophes heterophes eggs
b. All of the answers
c. Schistosoma sp. eggs
d. Fasciola sp. eggs

A

Schistosoma sp. eggs

2
Q

trematodes are hermaphrodites except

Select one:

a. Fasciola sp
b. Non of the answers
c. Heterophes heterophes
d. Schistosoma sp

A

Schistosoma

3
Q

A………………………………is the larval stage of a fluke that is covered with cilia and swims about seeking out a snail to serve as an intermediate host

Select one:

a. Redia
b. Coracidium
c. Miracidium
d. Metacercaria
e. Cercaria

A

Miracidium

4
Q

animals that serve as the first (or only) intermediate hosts for digenetic flukes are

Select one:

a. Arthropods
b. Mollusks
c. Fishes
d. Crustaceans
e. Amphibians

A

Mollusks

5
Q

The helminths referred to asandbelong to the Phylum Platyhelminthes.

Select one:

a. Tapeworms/ planarians
b. A, b and c are all correct
c. Trematodes/ cestodes
d. Tapeworms/ flukes
e. A and b are correct

A

Trematodes/ cestodes

6
Q

Types of cercariae are

Select one:

a. Microcercous cercaria
b. Parapleurolophocercous cercaria
c. all of the answers
d. Furcocercous cercaria
e. Leptocercus cercaria

A

all of the answers

7
Q

In all trematodes infection of the final host takes place by swallowing the encysted metacercariae,e except

Select one:

a. Schistosoma sp
b. Heterophes heterophes
c. Non of the answers
d. Fasciola sp

A

Schistosoma

8
Q

Redia stage is not formed in

Select one:

a. Fasciola sp
b. Schistosoma sp
c. Heterophes heterophes
d. Dicrocoelium
e. Both Dicrocoelium andSchistosoma

A

Both Dicrocoelium andSchistosoma

9
Q

the miracidium does not hatch in brakish water until the egg is engulfed by the snail intermediate host in :

Select one:

a. Fasciola
b. Heterophyes
c. None of the answers
d. Schistosoma

A

Heterophyes

10
Q

There isNo Trematodes without

Select one:

a. Nematodes
b. Cestodes
c. Snails
d. Fish

A

Snails