Set 28 Viruses and Prions Flashcards
Which WBCs increase with a viral infection?
lymphocytes
Where do viruses become active?
inside a cell
What do some viruses have?
an envelope around the capsid
What are prions?
infection particles, protein only, no nucleic acid
What do prions cause?
slow diseases called transmissible spongiform encephalopathies (CJD)
Which is more resistant viruses or prions?
prions
How is a prion inactivated?
hypochlorite and autoclaving
Do prions cause an immune response or inflammation?
no
adenovirus:
adeno, upper and lower resp tract inf (URI and LRI), conjuctivitis, diarrhea
echovirus:
picorna, URI pharyngitis, skin rash
What are the respiratory viruses?
adeno, echo, rhino, coxsackie, influenza A and B, and respiratory syncytial
rhinovirus:
URI, common cold
coxsackie virus:
picnora, pleurodynia: pain of intercostal muscles due to irritation AKA “devil’s grip”, herpangina: vesiculo-ulcerative lesions, myocarditis, pancreatitis, hand foot mouth
Influenza A and B:
orthomyxo, influenza
respiratory syncytial virus:
paramyxo, bronhcitis, pneumonia (in children)
What are the digestive viruses?
mumps, noro, rota, hep A, B and C
Mumps:
paramyxo, pancreatitis and Orchitis (M) and oophoritis (F)
Norovirus:
caliciviridae, nausea, vomiting, diarrhea, abdominal pain, and lethargy
Rotavirus:
reo, childhood diarrhea (most common)
Hep A:
picorna, acute viral hep, oral fecal, shorter, less virulent