18 Questions
What is the function of the hooks on the scolex of the tapeworm Taenia solium?
To enable the tapeworm to attach to the intestinal wall
How does cysticercosis develop in humans?
Through accidental ingestion of tapeworm eggs with contaminated food and water
Where does the encosphere migrate to form cysticercosis in humans?
Brain, eye, and muscular tissue
In which part of the host's body do the hexacanth embryos in tapeworm eggs typically develop?
Small intestine
What is a possible outcome of tapeworm autoinfection in humans?
Development of cysticercosis in various tissues
How do tapeworm eggs lose their outer covering to develop the encosphere within the host's digestive system?
Perforation of the small intestine wall
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
What is the infective stage of Taenia solium that can cause cysticercosis in humans?
Eggs
What is the primary distinguishing morphological feature of the Taenia solium scolex?
It has four cup-shaped suckers
What is the maximum length of an adult Taenia solium tapeworm?
3 meters
What is the primary intermediate host for the Taenia solium tapeworm?
Pigs
What is the final host for the Taenia solium tapeworm?
Human
Which part of the tapeworm attaches to the small intestine of the human host?
Scolex (head)
How long can the tapeworm eggs survive in the environment?
Days to months
What is the larval stage of the tapeworm called when it develops in the muscular system of cattle or pigs?
Cysticercus
How do humans become infected with the tapeworm?
By ingesting raw or undercooked infected meat containing the cysticercus
How long does it take for the cysticercus to develop into an adult tapeworm in the human host?
2-3 months
How many eggs can a single proglottid (gravid segment) of the tapeworm produce?
100,000 eggs
Test your knowledge on tapeworm infections and cysticercosis transmission. Learn about how people can get infected with tapeworms, how autoinfection can occur, and the anatomy of the tapeworm Taenia solium.
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