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 D

Explanation

A. Intermittent claudication with pallor is typically associated with peripheral artery disease (PAD) rather than myocardial infarction.
B. Jugular vein distention and dependent edema are signs of right-sided heart failure, which may develop after an MI but are not classic acute MI symptoms.
C. Mid-epigastric pain and heartburn can sometimes be confused with MI symptoms, but heartburn alone is not diagnostic of an MI.
D. Diaphoresis and cool clammy skin are correct. These symptoms occur due to sympathetic nervous system activation in response to cardiac ischemia, leading to vasoconstriction, sweating, and signs of impending shock.

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

A client comes into the emergency room with complaints of persistent, crushing chest pain. Along with the chief complaint, what other symptoms would make the nurse suspect that the client is experiencing a myocardial infarction (MI)?

Correct Answer is D

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

A nurse is providing discharge teaching to a client who has a new diagnosis of heart failure. Which of the following instructions should the nurse include in the teaching?

A nurse is collecting a medication history from a client who is scheduled to have a cardiac catheterization. Which of the following medications taken by the client interacts with contrast material and places the client at risk for acute kidney injury?

A nurse is caring for a client who reports a new onset of severe chest pain. Which of the following actions should the nurse take to determine if the client is experiencing a myocardial infarction?

The nurse is providing care for a client admitted to rule out a myocardial infarction who is experiencing chest pain while walking to the bathroom. Which action should the nurse implement first?

Which of the following describe a non-ST segment elevation myocardial infarction (NSTEMI)?

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?