The nurse knows that which of the following observations of a client during a sleep study would be most likely considered a pathological finding? A) The client experiences periods of apnea of 5 to 15 seconds in duration. B) The client's intrinsic clock involves a sleep-wake cycle that is consistently 2 hours longer than the actual length of a day. C) ^{The client's PCO}2 ^{level is increased, and his PO}2 ^{level decreased during deep} sleep. D) The client spends the majority of his sleeping hours in deep REM sleep.

Question

Quizplus · Accepted Answer

While vital, REM sleep does not normally occupy the majority of sleeping hours. The brain is highly active during REM sleep, and it accounts for 20% to 25% of normal sleep. Brief apneic spells are not uncommon, and the circadian rhythm often does not ^{match the 24-hour length of day. It is normal for PCO}2 ^{to increase and PO}2 ^{to decrease}during deep sleep.

The Nurse Knows That Which of the Following Observations of a Client