Pharmacology which of the following is false regarding SPARE RECEPTOR ? A they are needed for binding drug to achieve the maximum effect B they respond to agonists only C they do not alter maximal efficacy D can be detected by finding that EC 50 < Kd for the agonist 💡 Explanation which of the following is false regarding SPARE RECEPTOR ? ✓ Correct Answer: A. they are needed for binding drug to achieve the maximum effect