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

Answer and Explanation

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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Correct Answer is A

Explanation

A. Orthopnea is correct. Left-sided heart failure causes pulmonary congestion, making it difficult for the client to breathe when lying flat. This results in orthopnea, where the client must sit up or use multiple pillows to breathe comfortably.
B. Bradycardia is incorrect. Heart failure typically leads to tachycardia due to the heart compensating for decreased cardiac output.
C. Diaphoresis is incorrect. While excessive sweating can occur in acute decompensated heart failure, it is not a hallmark symptom of left-sided heart failure.
D. Frequent coughing with yellow sputum is incorrect. A client with left-sided heart failure may have a dry or frothy, pink-tinged cough, but yellow sputum suggests infection rather than heart failure.

A. Hemoptysis B. Petechiae C. Tachycardia D. Facial weakness

Correct Answer is D

Explanation

A. Hemoptysis (coughing up blood) is a known symptom of a pulmonary embolism (PE). It results from lung tissue damage due to obstructed blood flow.
B. Petechiae are not typically associated with a PE. They are more commonly linked to conditions such as thrombocytopenia or fat embolism syndrome.
C. Tachycardia is a common manifestation of a PE. The heart rate increases as a compensatory mechanism due to decreased oxygenation.
D. Facial weakness is not a typical sign of PE. It is more commonly associated with conditions like stroke or Bell's palsy.

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What is the primary purpose of using a CPAP machine for the treatment of obstructive sleep apnea (OSA)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is assessing a client with the diagnosis of left-sided heart failure. Which clinical finding should the nurse expect the client to experience?

Correct Answer is A

Explanation

The nurse is providing care to a client with a suspected pulmonary embolism. Which of the following is not a manifestation of a pulmonary embolism?

Correct Answer is D

Explanation

A nurse is assessing a client who has obstructive sleep apnea. Which of the following findings should the nurse expect?

A nurse is teaching a class about sleep disorders. The nurse should include that which of the following conditions can cause obstructive sleep apnea (OSA)?

A nurse in an emergency department is planning care for a client who is having an acute myocardial infarction (MI). The nurse should plan to administer which of the following medications after the initial acute phase to manage the client's pain and anxiety?

A nurse is planning care for a client who has quadriplegia. Which of the following actions should the nurse take to prevent a pulmonary embolism (PE)? (Select all that apply.)

A nurse is caring for a client who develops a pulmonary embolism. Which of the following interventions should the nurse implement first?

The client is being discharged with a prescription of prednisone. Which of the following is not a common side effect for this corticosteroid?

A client with a history of heart failure on daily weights has a 2-pound weight gain and pitting edema in bilateral lower extremities. Which action should the nurse take next?

A client came into the emergency room with a possible myocardial infarction. The provider orders a series of blood tests to be drawn, which lab should the nurse anticipate will be drawn?