Prions Flashcards
1
Q
Which infectious agents lack both DNA and RNA?
A
Prions (made of proteins only)
2
Q
What are symptoms of prion diseases?
A
Rapidly progressing dementia, psychiatric disturbances, and cerebellar symptoms (ataxia, myoclonis). All prion diseases are fatal.
3
Q
Name four prion diseases:
A
- Creutzfeldt-Jacob disease (rapidly progressive dementia)
- Mad cow disease
- Kuru
- Fatal familial insomnia
4
Q
What type of histopathologic change is seen in these diseases?
A
Spongiform encephalopathy
5
Q
Which infectious agents lack both DNA and RNA?
A
Prions (made of proteins only)
