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Medicine- Gastroenterology Exam Prep MCQ Test 57

Medicine- Gastroenterology Exam Prep MCQ Test 57

Medicine- Gastroenterology

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True regarding the serologic markers for hepatitis B except:

After being infected with HBV, the first virologic marker detectable in serum within 1 12 weeks is HBsAg.
Circulating HBsAg precedes elevations of serum aminotransferase
HBsAg remains detectable during the entire icteric or symptomatic phase of acute hepatitis B
HBsAg becomes undetectable 6 months after the onset of jaundice

All of the following are considered high risk population for whom HBV infection screening is recommended EXCEPT:

Household and sexual contacts of persons with hepatitis B
Babies born to HBsAg-positive mothers
Hemophiliacs treated with clotting factor concentrates prior to 1987
Persons with multiple sexual contacts or a history of sexually transmitted disease

Isolated anti-HBc positivity is most commonly due to:

Active virus replication
Hepatitis B infection in the remote past
Low-level hepatitis B viremia, with HBsAg below the detection threshold
False-positive immunologic specificity

A quantitative marker of replicative phase of Hepatitis B infection:

HBs Ag
Anti-HBc
HBe Ag
HBV DNA

Most sensitive indicator of HCV infection:

HCV RNA
HCV DNA
HCV Ag
Anti HCV

Immunization are available for the following types of Hepatitis, except:

Hepatitis A
Hepatitis B
Hepatitis C
Hepatitis E

may reflect a severe hepatic synthetic defect, extensive hepatocellular necrosis, and worse prognosis in Acute Viral Hepatitis

Hypoalbuminemia
Elevated Aminotransferases
Elevated Direct and Total Bilirubin
Prolonged Prothrombin Time

Maximal recommended dose of acetaminophen in patients with chronic alcohol use?

2g/day
3g/day
4g/day
5g/day

Predominant form of TPN associated liver disorder in adults:

Steatosis
Cholestasis
Cholelithiasi S
Necrosis

First approved therapy for chronic Hepatitis B:

Adefovir
Lamivudine
Entecavir
Interferon alpha
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