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: Pediatrics
ACTH secretion is highest during - 
Select and explain. 
A. Noon, B. Evening, C. Morning, D. Night
C: Morning
Answer: C: Morning 
Explanation: Ans. is 'c' i.e., Morning o Coisol levels in blood are normally elevated at 8.00 AM and decrease to less than 50% by midnight.