The therapeutic index of a drug is a measure of its: (A) Safety, (B) Potency, (C) Efficacy, (D) Dose variability
Answer is A. Safety is indicated by TI.drug having a TI of more than 1 is considered to be safe when compared to drug having a TI of less trhan one which requies constant plasma monitoring. Ref: KDT 6/e pg 48.