NCLEX-RN
NCLEX RN Simulated Exam Test Bank Questions
Extract:
Question 1 of 5
Which gland of the endocrine system secretes a hormone that assists with the sleep/wake cycle?
Correct Answer: B
Rationale: The correct answer is the Pineal gland. The Pineal gland, located in the brain, secretes melatonin, which plays a crucial role in regulating the sleep/wake cycle in response to exposure to light. The Pituitary gland (
Choice
A) secretes various hormones but not specifically related to the sleep/wake cycle. The Pancreas (
Choice
C) secretes insulin and digestive enzymes, not hormones related to the sleep/wake cycle. The Hypothalamus (
Choice
D) is involved in regulating many bodily functions, including hormone secretion, but it does not directly secrete the hormone that regulates the sleep/wake cycle.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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