Exam 4 - Viral Hepatitis Kleyn (ChatGPT made these) Flashcards
(104 cards)
Which hepatitis virus has a fecal-oral transmission route?
a. hepB
b. hepC
c. hepA
d. hepE
c. hepA
What is the most common risk factor for Hepatitis C transmission?
a. born to infected mother
b. injection drug use
c. sexual contact
d. contaminated food or water
b. injection drug use
What serologic marker indicates immunity to Hepatitis B?
a. HBsAg
b. anti-HBs
c. IgM anti-HBc
d. total anti-HBc
b. anti-HBs
What is the upper limit of normal ALT for females?
a. 45 U/L
b. 35 U/L
c. 25 U/L
d. 15 U/L
c. 25 U/L
What is the clinical state of a patient with negative HBsAg, negative anti-HBs, and negative anti-HBc?
a. Immune from prior infection
b. Chronic infection
c. Susceptible, never infected
d. Resolved infection
c. Susceptible, never infected
If a patient has positive anti-HBs and negative anti-HBc, what is the likely clinical state?
a. Acute infection
b. Chronic infection
c. Immune from receipt of prior vaccination
d. Interpretation unclear
c. Immune from receipt of prior vaccination
What is the recommended action for a patient with negative HBsAg, positive anti-HBs, and positive anti-HBc?
a. Offer HepB vaccine
b. Link to hepatitis B care
c. Counsel about HBV reactivation risk
d. Monitor HBsAg every 6 months
c. Counsel about HBV reactivation risk
Which combination of test results indicates acute Hepatitis B infection?
a. Positive HBsAg, negative anti-HBs, positive anti-HBc, positive IgM anti-HBc
b. Negative HBsAg, positive anti-HBs, positive anti-HBc
c. Negative HBsAg, negative anti-HBs, negative anti-HBc
d. Positive HBsAg, positive anti-HBs, positive anti-HBc, negative IGM anti-HBc
a. Positive HBsAg, negative anti-HBs, positive anti-HBc, positive IgM anti-HBc
What action is recommended for a patient with positive HBsAg, negative anti-HBs, and positive anti-HBc?
a. Monitor ALT levels
b. Vaccinate for HBV
c. Link to hepatitis B care
d. Provide supportive care only
c. Link to hepatitis B care
Which test result is a marker of immunity due to vaccination?
a. Positive HBsAg
b. Positive IgM anti-HBc
c. Positive anti-HBs
d. Positive anti-HBc
c. Positive anti-HBs
What is the appropriate action for a patient with negative HBsAg, negative anti-HBs, and negative anti-HBc?
a. Perform liver biopsy
b. Test HBV DNA
c. Offer HepB vaccine
d. Initiate antiviral treatment
c. Offer HepB vaccine
What combination of test results is most consistent with acute Hepatitis B infection?
a. Positive HBsAg, negative anti-HBs, negative anti-HBc
b. Negative HBsAg, positive anti-HBs, positive anti-HBc
c. Positive HBsAg, negative anti-HBs, positive anti-HBc, positive IgM anti-HBc
d. Positive HBsAg, negative anti-HBs, positive anti-HBc, negative IgM anti-HBc
c. Positive HBsAg, negative anti-HBs, positive anti-HBc, positive IgM anti-HBc
(positive IgM indicates recent exposure -> acute)
In the case of unclear interpretation of test results, which action is recommended?
a. Repeat testing and monitor
b. Immediately initiate treatment
c. No action needed
d. Vaccinate for HBV
a. Repeat testing and monitor
What is the average incubation period for Hepatitis A virus (HAV)?
a. 14 days
b. 28 days
c. 60 days
d. 90 days
b. 28 days
Which serologic marker indicates immunity from Hepatitis B infection?
a. HBsAg
b. anti-HBs
c. Total anti-HBc
d. IgM anti-HBc
b. anti-HBs
What is the main transmission method for Hepatitis C virus (HCV)?
a. Sexual contact
b. Contaminated water
c. Blood exposure
d. Fecal-oral route
c. Blood exposure
What is the goal of therapy for chronic Hepatitis B infection?
a. Virological cure
b. Suppression of HBV replication
c. Increased liver inflammation
d. Complete eradication of HBV DNA
b. Suppression of HBV replication
Which antiviral agent is associated with a warning of Hepatitis B virus reactivation risk?
a. Tenofovir DF
b. Peginterferon alfa
c. Direct Acting Antivirals (DAAs)
d. Ribavirin
c. Direct Acting Antivirals (DAAs)
Hepatitis delta virus (HDV) requires coinfection with which virus for replication?
a. HAV
b. HBV
c. HCV
d. HEV
b. HBV
What is the upper limit of normal ALT for males?
a. 15 U/L
b. 25 U/L
c. 35 U/L
d. 45 U/L
c. 35 U/L
Which Hepatitis virus typically resolves without chronic infection?
a. Hepatitis A
b. Hepatitis B
c. Hepatitis C
d. Hepatitis D
a. Hepatitis A
Which test detects a current Hepatitis C infection?
a. anti-HCV
b. HCV RNA
c. ALT levels
d. Total anti-HAV
b. HCV RNA
What is the recommended pretreatment lab for assessing liver disease severity?
a. Fibrosis staging
b. Hepatitis A vaccine titers
c. Bone density study
d. eGFR
a. Fibrosis staging
Which Hepatitis B clinical phase has normal ALT and elevated HBV DNA (++++)?
a. e+ Immune-tolerant
b. e- Immune-active
c. e- Carrier phase
d. e+ Immune-reactivation
a. e+ Immune-tolerant