Pharmacology Mechanism of action of tamoxifen is: A Has androgenic receptor blocking action B Inhibits enzyme 5Ξ±-reductase C Has partial agonist and antagonist action on estrogen receptors D Inhibition of FSH and LH release from the pituitary π‘ Explanation Mechanism of action of tamoxifen is: β Correct Answer: C. Has partial agonist and antagonist action on estrogen receptors