Cirrhosis of liver in adult population is commonly due to all of the following except -a) Hepatitis Ab) Hepatitis Bc) Hepatitis Cd) Hepatitis E

**Core Concept**
Cirrhosis is a late-stage liver disease characterized by fibrosis, regenerative nodules, and distortion of the normal liver architecture. In the adult population, cirrhosis is primarily caused by chronic liver inflammation and scarring, often resulting from viral hepatitis, alcohol abuse, and non-alcoholic fatty liver disease.

**Why the Correct Answer is Right**
Hepatitis B and C are well-established causes of cirrhosis, as they can lead to chronic liver inflammation and fibrosis. Hepatitis B virus (HBV) and Hepatitis C virus (HCV) can cause persistent infection, leading to liver damage and cirrhosis. Hepatitis A, on the other hand, is primarily a self-limiting disease that does not lead to chronic liver inflammation or cirrhosis.

**Why Each Wrong Option is Incorrect**
**Option B:** Hepatitis B is a correct cause of cirrhosis, so this option is incorrect.
**Option C:** Hepatitis C is also a correct cause of cirrhosis, making this option incorrect.
**Option D:** Hepatitis E is primarily a cause of acute liver failure, especially in pregnant women, but it is not commonly associated with cirrhosis.

**Clinical Pearl / High-Yield Fact**
Remember that Hepatitis A, B, and C can all lead to liver cirrhosis, but only Hepatitis B and C are chronic infections that can cause cirrhosis. Hepatitis E is more commonly associated with acute liver failure.

**Correct Answer:** D. Hepatitis E.