This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Suprarenal medulla secretes which hormones:September 2009 
Select and explain. 
A. Glucocoicosteroids, B. Catecholamines, C. Androgens, D. Mineralocoicoids
B: Catecholamines
Answer: B: Catecholamines 
Explanation: Ans. B: CatecholaminesNorepinephrine, epinephrine, and dopamine are secreted by the adrenal medulla.Cats and some other species secrete mainly norepinephrine, but in dogs and humans, most of the catecholamine output in the adrenal vein is epinephrine.Norepinephrine also enters the circulation from noradrenergic nerve endings.Glucocoicosteroids, Androgens and Mineralocoicoids are secreted by adrenal coex.