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
Best mode to study response of wide number of drugs in population is ? 
Select and explain. 
A. Dose Response Curve, B. Lethal dose response curve, C. Absorbed dose and Response curve, D. None of the above
A: Dose Response Curve
Answer: A: Dose Response Curve 
Explanation: Ans. is 'a' i.e., Dose Response Curve Dose-response relationship When a drug is administered systemically, the dose-response relationship has two components : 1. Dose-plasma concentration relationship (DPCR) 2.Plasma concentration - response relationship (PCRR)