What is the primary purpose of using a CPAP machine for the treatment of obstructive sleep apnea (OSA)?
To deliver a continuous flow of air pressure to keep the airway open
To reduce daytime sleepiness
To improve sleep quality
To promote weight loss
The Correct Answer is A
A. Delivering a continuous flow of air pressure to keep the airway open is correct. CPAP (Continuous Positive Airway Pressure) prevents airway collapse during sleep, allowing for uninterrupted breathing and oxygenation.
B. Reducing daytime sleepiness is a benefit of CPAP use, but it is not its primary purpose—it is a secondary effect of improved oxygenation and sleep continuity.
C. Improving sleep quality also occurs with CPAP therapy, but this is an outcome rather than the primary purpose.
D. Promoting weight loss is not the function of CPAP therapy, though weight loss can help reduce OSA severity.
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Related Questions
Correct Answer is ["C","D","E"]
Explanation
A. Assessing level of consciousness is a nursing responsibility and cannot be delegated to the UAP.
B. Auscultating breath sounds requires clinical judgment and must be performed by a nurse.
C. Encouraging deep breathing exercises is within the scope of a UAP and can help improve gas exchange.
D. Recording a pulse oximeter reading is a task that can be delegated to a UAP, though interpretation remains the nurse’s responsibility.
E. Keeping the head of the bed elevated helps improve oxygenation and can be done by the UAP.
Correct Answer is B
Explanation
A. Obtaining an ECG is important but not the first priority. The immediate goal is to reduce the heart's oxygen demand.
B. Having the client sit down immediately is correct. Stopping activity reduces cardiac workload and oxygen demand, preventing further ischemia or infarction.
C. Assessing vital signs is important but should be done after stopping activity. While vital signs provide critical information, immediate intervention is needed first.
D. Administering sublingual nitroglycerin is appropriate but should be done after ensuring the client is seated. This prevents hypotension and syncope from occurring while standing.
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