This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
The following diagram is from adrenal gland, name the hormone produced from the area marked as "A" 
Select and explain. 
A. Aldosterone, B. Coisol, C. Epinephrine, D. Androgen
A: Aldosterone
Answer: A: Aldosterone 
Explanation: Layer A is Zona glomerulosa, it produces aldosterone Ref: Ganong 25th ed/page 353