The nurse is assessing a client in the intensive care unit who is asleep. What physiological changes will the nurse observe in this client?
1. Lower respiratory rate.
2. Increased muscle tension.
3. Increased lower-extremity edema.
4. Lower blood pressure.
5. Lower heart rate.
Correct Answer: 4,5
Rationale 1: A change in respirations is not associated with sleep.
Rationale 2: Skeletal muscles relax during sleep.
Rationale 3: Peripheral blood vessels dilate during sleep, which will reduce lower-extremity edema.
Rationale 4: One physiological change that occurs during sleep is a drop in arterial blood pressure.
Rationale 5: One physiological change that occurs during sleep is a decrease in heart rate.
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