Protozoal and Multicellular Parasite Diseases of GI Tract
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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List three protozoans that cause intestinal tract infections | Giardia lamblia, entamoeba histolytica, and Cryptosporidium parvum
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What is the definitive host of a helminth? | host in which the sexually mature form grows
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What are the two physiological components (and their functions) of a tapeworm? | scolex--head with sucker/hooks for attachment--proglottids--uteri that fill with eggs
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How is Taenia saginata acquired? | eating tapeworm cysts in undercooked beef
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Describe pinworm (Enterobius vermicularis) spread and detection | spread by scratching anus where eggs are laid--detection--cellophane tape pressed against the anal area and observed microscopically
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Describe the circuitous route of Ascaris | eggs develop into larvae on plants--eaten/swallowed--penetrate intestinal walls pass through lymph and lung coughed up/swallowed reinfect intestinal tract--eggs passed with feces-contaminate plants complete cycle
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Created by:
heatherlvn
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