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Phylum Platyhelminthes Characteristics Quiz

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Phylum Platyhelminthes Characteristics Quiz

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Questions and Answers

What is a common characteristic of Platyhelminthes?

Radial symmetry

Presence of an external cuticle

Triploblastic organization (correct)

Pseudocoelomate body plan

Which is a common characteristic of Trematoda (Trematodes)?

Segmented body

Parasitic lifestyle (correct)

Presence of an anus

Herbivorous feeding habits

What is a unique feature of the subclass DIGENEA among trematodes?

Direct life cycle

Exclusive carnivorous diet

Presence of operculated eggs (correct)

Absence of suckers for attachment

Which is the intermediate host for Fasciola hepatica?

Amphibious snail Signup and view all the answers

How do miracidia enter the intermediate host in the life cycle of Fasciola hepatica?

Penetrating the snail Signup and view all the answers

Where do liver flukes like Fasciola hepatica typically reside in the host's body?

Bile ducts Signup and view all the answers

What is the general geographic distribution of Fibrosis of the bile ducts?

South-central US, southern Florida Signup and view all the answers

Which animal is the definitive host for Platynosomum, the Lizard poisoning fluke?

Felids Signup and view all the answers

What is the main clinical sign associated with Paragonimus, the Lung Fluke?

Respiratory problems Signup and view all the answers

What diagnostic method is recommended for confirming the presence of Paragonimus, the Lung Fluke?

Sedimentation/sugar float Signup and view all the answers

Which animals are abnormal hosts and can suffer from diseases due to Fascioloides magna, the Deer Fluke?

Sheep, goats, cattle, camelids, moose, elk Signup and view all the answers

How do Flukes communicate with bile ducts in cattle and elk?

Form cysts in liver parenchyma Signup and view all the answers