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: Pharmacology
[{'content': 'High first pass metabolism is seen in - \nSelect and explain. \nA. Lignocaine, B. Propranolol, C. Salbutamol, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'a' i.e., Lignocaine; 'b' i.e., Propranolol; 'c' i.e., Salbutamol", 'role': 'assistant'}]