A polysomnogram was ordered for a client. The nurse will instruct the client that it requires an overnight stay in a sleep lab. Which of the following explanations about the test does the nurse give to the client?
1. Records several physiologic parameters during sleep
2. Occurs 2 hours after awakening from the overnight sleep study
3. Consists of five 20-minute nap trials
4. Requires a 24-hour interval of sleep deprivation
1. Records several physiologic parameters during sleep
Rationale:
The polysomnogram records physiologic parameters such as brain waves and eye movements during sleep. The multiple sleep latency test (MSLT) occurs 2 hours after awakening from the overnight sleep study. Nap trials are part of the MSLT. The polysomnogram does not require a 24-hour sleep deprivation.
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