Regarding efficacy and potency of a drug, all are true EXCEPT:
Ans. C. ED50 of the drug corresponds to the efficacyED5 corresponds to the potency of the drugED50 is the dose required to produce desired effect in 50% of individuals. Dose is related to potency not efficacyLD50 is the dose required to produce death in 50% of individualsTherapeutic index (TI): =ED50 LD50 It is a measure of safety of a drug.