Virology - Prions (Cram)

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8 Terms

1
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What is the smallest infectious particle?

Prion

2
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True or false: Prions are almost entirely composed of nucleic acid

False. They contain little or no nucleic acid

3
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What part of the body are prions confined to?

CNS

4
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Are there vaccines or treatments for prion diseases?

No. They always lead to death

5
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What are the four prion diseases?

  1. Scrapie

  2. Bovine spongiform encephalopathy

  3. Chronic wasting disease

  4. Creutzfeldt – Jacob disease

6
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What is the medical term for itchiness, such as cause by Scrapie?

Pruritus

7
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What are the five symptoms of Scrapie in sheep and goats?

  1. Fine tremors of head and neck

  2. Ataxia

  3. Paralysis

  4. Intense pruritus

  5. Death

8
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What is the layperson's name for BSE?

Mad cow disease