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A hospitalized adult client who routinely works from midnight until 8 a.m. has a temperature of 99.1° F at 4 a.m. The nurse determines that this is most likely due to:
A. delta sleep
B. slow brain waves
C. pneumonia
D. circadian rhythm
Correct Answer: D
Explanation/Reference:
Explanation:
Biological rhythms that follow a cycle lasting about 24 hours are termed circadian rhythm. The sleep-wake cycle is closely linked with cardiac rhythms, such as body temperature. While a person sleeps, core body temperature drops, often reaching the 24-hour low at 4 a.m. When the sleep period shifts, temperature fluctuations also shift to match the new sleep patterns.Basic Care and Comfort
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