This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
A 55-ycar-old woman presents with progressively deepening jaundicc, uncontrollable pruritus, pain in the abdomen (right upper quadrant) and yellow coloured urine. Investigations revealed - 
Select and explain. 
A. Viral hepatitis, B. Cirrhosis of liver, C. Carcinoma of head of the pancreas, D. Hepatocellular carcinoma
C: Carcinoma of head of the pancreas
Answer: C: Carcinoma of head of the pancreas 
Explanation: <p>DAVIDSON&;S principles and practice of medicine 22nd edition. #around 60% of tumours arising from head of pancreas and involvement of common bile duct result in the development of obstructive jaundice, often with severe pruritis.Advanced stage present with central abdominal pain ,weight loss,pain radiates from upper abdomen from back.</p>