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19 Cards in this Set
- Front
- Back
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Hepatitis A
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Acute (picorna)
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Hep B
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Blood (hepadna)
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Hep C
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Chronic (flavivirus: lipid env, positive rna)
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Hep D
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Defective (has to have hepbsag)
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Hep E
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Enteric (doesn't have a family---naked)
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Similarities between hep viruses?
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A and E are fecal-oral; no chronic infection
B and C: blood borne, possible chronic D only present with B |
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What virus is top of list in immunocompromised hepatitis?
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CMV (and other herpes viruses)
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What are other non hepatitis abc family virus?
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yellow fever, rubella, herpes
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What is key assay to check for hep b infection?
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Hbsag
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Does hbv reverse transcription occur late or early in Hep B?
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late
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How do you tell difference between vaccinated person and person infected with live virus long time ago?
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anti hb C will only be in person that was infected with the live virus (TEST QUESTION)!!
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What do you use to diagnose hep C?
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ab capture elisa detects antibody. The confirm with western blot
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Drugs for C?
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Combine with ribavirin
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Lecture 2 Acute hepatitis
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Yes
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What are incubation periods of hep viruses?
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A: 21 days
E: 40 days C: 50 days B: 70 days |
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when does Hep E cause a big mortality?
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In preg women
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Is HCV usually severely acute?
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No
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How long is someone infectious after dark urine appears during hep a infection?
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about 2 weeks
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What's the most important thing regarding seroconversion if Hep B infection?
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Age at infection
90 % neonates and infants will develop chronic infection. |
