## Why option 1 is correct The regenerative nodule marked **A** is a defining histological feature of cirrhosis. These nodules represent hepatocyte proliferation and regeneration in response to chronic liver injury, but the surrounding bridging fibrosis (marked **B**) prevents restoration of normal lobular architecture and hepatic function. This is the pathological hallmark of end-stage liver disease as described in Robbins 10e Ch 18 and Harrison 21e Ch 339. The nodules attempt to compensate for hepatocyte loss but cannot overcome the structural distortion caused by fibrous septa connecting portal tracts and central veins. ## Why each distractor is wrong - **Option 2**: Regenerative nodules are not areas of acute necrosis; they represent active hepatocyte proliferation and regeneration, not cell death. Acute necrosis would be seen in acute hepatitis, not cirrhosis. - **Option 3**: Regenerative nodules are surrounded by fibrosis and are architecturally distorted; they do not retain normal synthetic or detoxification capacity. This is why cirrhotic patients develop clinical features of liver dysfunction (jaundice, coagulopathy, hypoalbuminemia). - **Option 4**: While fatty infiltration may be present in alcoholic liver disease, the regenerative nodule itself is not reversible fatty change. Cirrhosis is end-stage and irreversible; cessation of alcohol cannot restore normal architecture once bridging fibrosis and nodular regeneration have developed. **High-Yield:** Cirrhosis = bridging fibrosis + regenerative nodules + loss of normal architecture; nodules attempt repair but fibrosis prevents functional restoration. [cite: Robbins 10e Ch 18; Harrison 21e Ch 339]
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