Cortisol Secretion Peaks Between ________ and ________

Question

Cortisol secretion peaks between ________ and ________.
A) early morning, noon
B) midnight, early morning
C) noon, early evening
D) early evening, midnight

Accepted Answer

Cortisol secretion follows a natural circadian rhythm, with levels being highest in the early morning (around 8 AM) and gradually decreasing throughout the day, with the lowest levels seen at night (around midnight). Therefore, the correct answer is A, which denotes the time period between early morning and noon when cortisol secretion is at its peak.