The nurse provides a postoperative client with an analgesic medication and darkens the room before the client goes to sleep for the night. The nurse’s actions:

The nurse provides a postoperative client with an analgesic medication and darkens the room before the client goes to sleep for the night. The nurse’s actions:
A. help the client’s circadian rhythm.
B. stimulate hormonal changes in the brain.
C. decrease stimuli from the cerebral cortex.
D. alert the hypothalamus in the brain.

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