An agonist is having?: (A) Affinity with intrinsic activity is 1, (B) Affinity with intrinsic activity is 0, (C) Affinity with intrinsic activity is-1, (D) None
Answer is A. The agonist is an agent which activates a receptor to produce an effect similar to that of the physiological signal molecule. Affinity is the ability to bind to the target(receptor) intrinsic activity is producing a response after binding Agonist have Affinity with intrinsic activity is 1 Ref; KD Tripathi pharmacology 7th edition (page no; 41)