When assessing a patient's sleep-wake pattern, the nurse keeps in mind circadian body patterns. Which assessment data would indicate that the client follows normal circadian sleep-wake patterns?
A) Highest level of alertness at 4 p.m. (1600 hours)
B) Best coordination at 2:30 p.m. (1430 hours)
C) Fastest reaction time at 10:00 a.m. (1000 hours)
D) Greatest muscle strength at 12 noon (1200 hours)
B) Best coordination at 2:30 p.m. (1430 hours)
Explanation: A) In a normal sleep-wake cycle, a high level of alertness occurs at 10:00 a.m. (1000 hours), best coordination at 2:30 p.m. (1430 hours), fastest reaction time at 3:30 p.m. (1530 hours), and greatest muscle strength at 5:00 p.m. (1700 hours)
B) In a normal sleep-wake cycle, a high level of alertness occurs at 10:00 a.m. (1000 hours), best coordination at 2:30 p.m. (1430 hours), fastest reaction time at 3:30 p.m. (1530 hours), and greatest muscle strength at 5:00 p.m. (1700 hours)
C) In a normal sleep-wake cycle, a high level of alertness occurs at 10:00 a.m. (1000 hours), best coordination at 2:30 p.m. (1430 hours), fastest reaction time at 3:30 p.m. (1530 hours), and greatest muscle strength at 5:00 p.m. (1700 hours)
D) In a normal sleep-wake cycle, a high level of alertness occurs at 10:00 a.m. (1000 hours), best coordination at 2:30 p.m. (1430 hours), fastest reaction time at 3:30 p.m. (1530 hours), and greatest muscle strength at 5:00 p.m. (1700 hours)
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