Pharmacology Agonist antagonist combination acting on the same receptor is ? A Isoprenaline and propranolol B Adrenaline and histamine C Salbutamol and leukotriene D Estrogen and tamoxifen 💡 Explanation Agonist antagonist combination acting on the same receptor is ? ✓ Correct Answer: A. Isoprenaline and propranolol