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Tapeworm Infections and Cysticercosis Quiz

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Tapeworm Infections and Cysticercosis Quiz

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Questions and Answers

What is the function of the hooks on the scolex of the tapeworm Taenia solium?

To aid in reproduction

To break down host tissues for absorption

To help the tapeworm move through the bloodstream

To enable the tapeworm to attach to the intestinal wall (correct)

How does cysticercosis develop in humans?

Autoinfection by the tapeworm larvae

Direct exposure to tapeworm eggs in the environment

By inhaling tapeworm larvae from infected pork

Through accidental ingestion of tapeworm eggs with contaminated food and water (correct)

Where does the encosphere migrate to form cysticercosis in humans?

Intestinal wall and stomach lining

Lungs, liver, and kidney

Skin and hair follicles

Brain, eye, and muscular tissue (correct)

In which part of the host's body do the hexacanth embryos in tapeworm eggs typically develop?

Small intestine Signup and view all the answers

What is a possible outcome of tapeworm autoinfection in humans?

Development of cysticercosis in various tissues Signup and view all the answers

How do tapeworm eggs lose their outer covering to develop the encosphere within the host's digestive system?

Perforation of the small intestine wall Signup and view all the answers

What is the primary mode of transmission for Taenia solium tapeworm infection in humans?

Ingesting tapeworm eggs excreted in the stool of an infected person Signup and view all the answers

What is the infective stage of Taenia solium that can cause cysticercosis in humans?

Eggs Signup and view all the answers

What is the primary distinguishing morphological feature of the Taenia solium scolex?

It has four cup-shaped suckers Signup and view all the answers

What is the maximum length of an adult Taenia solium tapeworm?

3 meters Signup and view all the answers

What is the primary intermediate host for the Taenia solium tapeworm?

Pigs Signup and view all the answers

What is the final host for the Taenia solium tapeworm?

Human Signup and view all the answers

Which part of the tapeworm attaches to the small intestine of the human host?

Scolex (head) Signup and view all the answers

How long can the tapeworm eggs survive in the environment?

Days to months Signup and view all the answers

What is the larval stage of the tapeworm called when it develops in the muscular system of cattle or pigs?

Cysticercus Signup and view all the answers

How do humans become infected with the tapeworm?

By ingesting raw or undercooked infected meat containing the cysticercus Signup and view all the answers

How long does it take for the cysticercus to develop into an adult tapeworm in the human host?

2-3 months Signup and view all the answers

How many eggs can a single proglottid (gravid segment) of the tapeworm produce?

100,000 eggs Signup and view all the answers