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
Genetic expression of Na-K-ATP'ase inducible by? 
Select and explain. 
A. Aldosterone, B. Coisol, C. Thyroxine, D. ACTH
A: Aldosterone
Answer: A: Aldosterone 
Explanation: Ans. is 'a' i.e., Aldosterone Mineralocoicoid actionsThe principal mineralocoicoid secreted by adrenal coex is aldosterone.The main action of aldosterone is to enhance Na+ reabsorption in the distal convoluted tubule in kidney.