This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidneys and Body Fluids, Subject name: Physiology
Hyperkalemia stimulates secretion of: 
Select and explain. 
A. ADH, B. ACTH, C. Aldosterone, D. Cortisol
C: Aldosterone
Answer: C: Aldosterone 
Explanation: (Aldosterone): Ref: 258-H (280- H178th) (358- Ganong 23rd)Aldosterone is secreted by the zona glomerulasa cells of the adrenal cortex in response to high renin and angiotensin II or hyperkalemia (258-H)Plasma K+ level needs increase only 1 mEq/L stimulate aldosterone secretion