This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Pharmacodynamics includes \nSelect and explain. \nA. Drug Elimination, B. Drug excretion, C. Drug Absorption, D. Mechanism of action', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pharmacodynamics- the branch of pharmacology concerned with the effects of drugs and the mechanism of their action. Ref-KDT 7/e p1', 'role': 'assistant'}]