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Parasitology Quiz: Tapeworms

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Questions and Answers

What is the characteristic of the body of adult tapeworms?

It is elongated and cylindrical

It has a spherical shape

It is flattened dorsoventrally (correct)

It is circular in cross section

What is the purpose of the sodium nitrate solution in the context of tapeworms?

To preserve the tapeworm

To distort the eggs of the tapeworm (correct)

To create a saturated solution for the tapeworm

To study the morphology of the tapeworm

Which part of the tapeworm is responsible for attachment to the host?

Scolex (correct)

Strobila

Neck

Proglottids

What is the typical size of the eggs of Echinococcus granulosus?

30-35 micrometers in diameter Signup and view all the answers

What is the characteristic of the immature segment of tapeworms?

It has poorly differentiated reproductive organs Signup and view all the answers

What is the characteristic feature of the scolex of Echinococcus granulosus?

It has a prominent rostellum with two rows of hooklets Signup and view all the answers

Which of the following tapeworms can grow up to 20 m in length in the small intestine of a dog?

Taenia pisiformis Signup and view all the answers

What is the characteristic feature of the metacestode of Echinococcus granulosus?

It is found in the liver and lungs of intermediate hosts Signup and view all the answers

What is the general characteristic of the color of cestodes?

They are always white or yellowish Signup and view all the answers

How many parts does the adult tapeworm body consist of?

Three parts Signup and view all the answers

Which of the following tapeworms has an unarmed scolex?

Moniezia species Signup and view all the answers

What is the characteristic feature of the eggs of Dipylidium caninum?

They are radially-striated with an internal oncosphere Signup and view all the answers

What is the primary characteristic that distinguishes Diphyllobothriidea from Cyclophyllidea?

Uterine pore opens through a ventral genital pore Signup and view all the answers

What is the typical length of an adult Dipylidium caninum tapeworm in the intestine?

10-70 cm Signup and view all the answers

What is the shape of the scolex in Diphyllobothrium latum?

Elongate, spoon shaped Signup and view all the answers

What is the characteristic of the eggs of Diphyllobothrium latum?

Unembryonated, thick-shelled, and operculated Signup and view all the answers

How many suckers are present on the scolex of Dipylidium caninum?

4 Signup and view all the answers

What is the shape of the uterus in Diphyllobothrium latum?

Unbranched, rosette-shaped Signup and view all the answers