This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Hot nodule in liver scan is due to(NOT RELAVENT TO PHARMACOLOGY) 
Select and explain. 
A. Hepatic adenoma, B. Focal nodular hyperplasia, C. Metastasis, D. HCC
B: Focal nodular hyperplasia
Answer: B: Focal nodular hyperplasia 
Explanation: 50% of the focal nodular hyperplasia shows presence of Kupfer cells (phagocytes). So uptake of sulphur colloid is noted in these lesions. No uptake is seen in HCC, hepatic adenoma and metastases