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Parasitology: Giardia Life Cycle

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Questions and Answers

What is the intermediate host for Toxoplasma oocysts?

Sheep

Mice and rats (correct)

Dogs

Cows

Where do the sporozoites emerge from the mature oocyst?

Rodent's intestinal epithelium (correct)

Cat's lungs

Rodent's liver

Cat's stomach

What is the enteric cycle of Toxoplasma in the domestic cat characterized by?

Tissue cysts in the cat's muscles

Bradyzoites in the cat's nervous system

Tachyzoites in the cat's bloodstream

Schizogony and gametogony within the mucosal epithelial cells of the small intestine (correct)

How does a cat typically acquire a Toxoplasma infection?

Ingesting tachyzoites and bradyzoites from tissue cysts in other animal's flesh Signup and view all the answers

What happens after the sexual fertilization of male and female gametes in Toxoplasma oocysts?

Oocysts pass out in the feces Signup and view all the answers

Which stage of Toxoplasma becomes infectious after developing in soil for 3–4 days?

Sporoblast Signup and view all the answers

What is the infective form of Toxoplasma which can remain infective in moist soil for about one year?

Oocyst containing eight sporozoites Signup and view all the answers

Where does the conversion of sporoblast to sporocyst occur?

In soil after 3–4 days Signup and view all the answers

What occurs within mucosal epithelial cells of a cat's small intestine during gametogony?

Formation of male and female gametocytes giving rise to gametes Signup and view all the answers

What is the role of rodents like mice and rats in the Toxoplasma infection cycle?

They serve as intermediate hosts, ingesting infected oocysts. Signup and view all the answers