Pharmacology The following sympathomimetic amine has agonistic action on a1 + a2 + b1 + b3 adrenoceptors, but not on b2 receptors A Phenylephrine B Isoprenaline C Noradrenaline D Adrenaline 💡 Explanation The following sympathomimetic amine has agonistic action on a1 + a2 + b1 + b3 adrenoceptors, but not on b2 receptors ✓ Correct Answer: C. Noradrenaline