Which guideline does the nurse apply to discussion of sleep patterns with older adult clients?
The amount of stage 4 sleep increases as clients age.
Circadian rhythms become more prominent as clients age.
Older clients fall asleep more quickly than younger ones.
Total sleep time decreases as clients age.
The Correct Answer is D
Choice A rationale
The amount of stage 4 (deep, slow-wave) sleep actually decreases as individuals age. Older adults tend to have less deep sleep and more fragmented sleep patterns with increased awakenings.
Choice B rationale
Circadian rhythms, the body's internal clock regulating sleep-wake cycles, tend to become less prominent or more easily disrupted as clients age. This can lead to changes in sleep timing, such as earlier bedtimes and wake times.
Choice C rationale
Older clients typically take longer to fall asleep (increased sleep latency) compared to younger individuals due to various physiological and environmental factors.
Choice D rationale
Total sleep time generally decreases with age. Older adults often require and obtain less sleep per night compared to younger adults. This is a normal physiological change associated with aging.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
A CPAP (Continuous Positive Airway Pressure) mask delivers a constant stream of pressurized air to keep the airway open during sleep, which is the primary treatment for sleep apnea. Sleep apnea is characterized by repeated pauses in breathing due to airway obstruction, and CPAP effectively prevents these episodes.
Choice B rationale
A nasal cannula delivers low-flow oxygen through two prongs inserted into the nostrils. While it can provide supplemental oxygen, it does not address the underlying airway obstruction that occurs in sleep apnea. Therefore, it is not the expected delivery device for this condition. Normal flow rate is 1 to 6 liters per minute, providing a fraction of inspired oxygen (FiO2) of 24% to 44%.
Choice C rationale
A non-rebreather mask delivers a high concentration of oxygen (60% to 90%) and is typically used for patients with acute respiratory distress. It is not the appropriate device for managing the chronic condition of sleep apnea, which primarily requires airway support rather than high oxygen levels.
Choice D rationale
A simple face mask delivers a moderate concentration of oxygen (40% to 60%) and requires a flow rate of 5 to 8 liters per minute. While it provides more oxygen than a nasal cannula, it does not address the airway obstruction inherent in sleep apnea and is therefore not the expected device for this condition.
Correct Answer is B
Explanation
Choice A rationale
Sexually Transmitted Infections (STIs) primarily affect the reproductive system and do not directly cause abnormalities in PaCO2 levels. PaCO2 reflects the partial pressure of carbon dioxide in arterial blood, which is a key indicator of respiratory function and acid-base balance.
Choice B rationale
Chronic Obstructive Pulmonary Disease (COPD) is a group of lung diseases that obstruct airflow, leading to impaired gas exchange. This impaired exchange often results in the retention of carbon dioxide, causing an elevated PaCO2 level on an ABG report, indicating respiratory acidosis.
Choice C rationale
Congestive Heart Failure (CHF) primarily affects the cardiovascular system, leading to fluid overload and potential pulmonary congestion. While severe CHF can indirectly affect gas exchange, the most direct and common cause of abnormal PaCO2 is a respiratory issue like COPD.
Choice D rationale
Chronic Renal Insufficiency or Failure (CRF) primarily affects the kidneys' ability to regulate electrolytes and waste products. While CRF can lead to metabolic acidosis, which can trigger respiratory compensation (altering PaCO2), it is not the most direct or likely cause of an abnormal PaCO2 level on an ABG report.
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