Question

question 32 which of the following is incorrect? giardia infections are rarely serious. giardia is spread by ingestion of trophozoites. giardia is spread by contaminated foods. giardia can cause smelly, greasy poop.

Explanation:

Giardia is spread by ingestion of cysts, not trophozoites. Cysts are the infective form that can survive in the environment. Giardia infections are often not serious, can be spread via contaminated foods, and can cause smelly, greasy stools.

Answer:

Giardia is spread by ingestion of trophozoites.