This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
Pharmacodynamics include 
Select and explain. 
A. Drug elimination, B. Drug excretion, C. Drug absorption, D. Mechanism of action
D: Mechanism of action
Answer: D: Mechanism of action 
Explanation: Pharmacodynamics- the study of drug actions in the body and mechanism of action drug actions- therapeutic effects and adverse effects pharmacokinetics- ADME- absorption, distribution, metabolism and excretion ref KD Tripathi 8th ed