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12 Cards in this Set

  • Front
  • Back
What are most cases of hepatitis usually due to?
viral hepatitis. but without specific info its hard to tell.
Patient learns that he has chornic hepatitis due to viral infection. Which viruses can cause chornic infections and hepatitis?
HBV and HCV, HDV
What hepatitis viruses most commonly cause chronic infection in adults who become infected?
HCV
Anti-HAV IgM: neg
Anti HAV IgG: pos
HBsAg: postive
Anti-HBsAG: neative
HBcAG: pos
HBeAG: pos
Anti-HCV IgG: pos
Infected with HBV and HCV

Having antibodies to HCV indicates they are currently infected.
indication of core antibodies means this person has not had the vaccine previously.
What is the confirmatory test for HCV?
single RNA strand.
HIV is also the same test
Describe the dane particle of HBV
-enveloped, HBsAg
-core, HBcAg
-DNA genome
-DNA pol - reverse transcriptase

core protein is used as a marker for infection.
e antigen is made in high concentrations, and correlates with high production of virus and transmissability. viral production really changes over time.

HBsAg particles
What other viruses could Mr. Brown be infected with that could be trasnmitted in teh dental clinic?
HSV1 HSV2, Measles virus, HIV, EBV, Varicella zoster, Influenza

Saliva: influenza, HSV-1, HSV-2, EBV

blood borne: HIV
Personnel at GSDM are required to show proof of immunity for which viruses?
MMR, HBV, VZV, Influenza

variola virus - causes small pox, usualy don't get vaccinated.
How would HCV most likely be transmitted in the dental clinic?
contacted with infected blood

HCV isn't shed in the feces. Enveloped viruses are not transmitted by fecal oral route.
Is Mr. Brown required to inform his dentist that he has hepatitis?
No
Knowing that Mr. Brown has hepatitis can Dr. Smith refuse to treat him?
No
If Dr. Smith was infected with HBV or HCV, could he still practice dentistry?
Yes