A nurse is working night shift and is experiencing episodes of insomnia and excessive sleepiness. These symptoms can be partly explained by alterations in the hormone cortisol, which is released in:
A) a circadian pattern (i.e., diurnal pattern).
B) response to sleep needs.
C) a negative feedback manner.
D) a continuous steady state throughout the day.

Question

Quizplus · Accepted Answer

Cortisol is released in a circadian pattern, meaning its levels fluctuate throughout the day, typically peaking in the early morning and declining throughout the day, which can be disrupted by night shift work.

A Nurse Is Working Night Shift and Is Experiencing Episodes