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
Therapeutic index of a drug is an indicator of its- 
Select and explain. 
A. Potency, B. Safety, C. Toxicity, D. Efficacy
B: Safety
Answer: B: Safety 
Explanation: Ans. is b' i.e., Safety "Therapeutic index is the ratio between the toxic dose and the therapeutic dose of a drug, and is used as a measure of the relative safety of the drug for a paicular treatment."