UKMLA PLAB AMC USMLE Prometric MCQ

Correct Answer: A

Explanation:
Primary biliary cirrhosis tends to occur in women in the fifth to seventh decade of life. Primary biliary cirrhosis can be heralded by itching. The itching may start with pregnancy, and it continues after the pregnancy. Anti-mitochondrial antibodies are present with primary biliary cirrhosis. Alkaline phosphatase is elevated with primary biliary cirrhosis.Hepatitis B has an incubation period of 4 weeks to 6 month, which is not the time frame presented in this scenario. In addition, pruritis and anti-mitochondrial antibodies would not be present.Hepatocellular carcinoma is associated with long-standing liver disease, such as cirrhosis or hepatitis B or C, which is not the case here. Pruritis and anti mitochondrial antibodies would not be present in hepatocellular carcinoma.Laennec's cirrhosis is associated with heavy alcohol use over many years. Pruritis and anti mitochondrial antibodies would not be present in Laennec's cirrhosis.The incubation period for hepatitis A is 2-6 weeks, which is not the time frame presented in this scenario. Pruritis and anti mitochondrial antibodies would not be present in hepatitis A.