This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'The following can be done in obstructive jaundice ? \nSelect and explain. \nA. Vitamin K injections, B. Vitamin C injections, C. Dehydration therapy, D. All', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Vitamin K injections", 'role': 'assistant'}]