Anatomy Which of the following is true for receptor action of the drug A An antagonist has both an intrinsic activity and affinity for receptor B An antagonist has the affinity but no intrinsic activity for the receptor C A paial antagonist has no affinity or intrinsic activity for the receptor D Intrinsic action and affinity are not impotant for drug action 💡 Explanation Which of the following is true for receptor action of the drug ✓ Correct Answer: B. An antagonist has the affinity but no intrinsic activity for the receptor