Erythropoietin production is inhibited by ?: (A) Estrogen, (B) Progesterone, (C) Thyroxine, (D) Testosterone
Answer is A. Ans. is 'a' i.e., EstrogenThe most impoant stimulus for erythropoietin secretion is hypoxia.Other stimulus that can increase its secretion are cobalt salts, androgens, alkalosis due to high altitude, and catecholamines beta-adrenergic mechanism.