Which diagnostic test may be prescribed to evaluate for the presence of a pulmonary embolism?

Stress testing

D-Dimer

Electrocardiogram

Pulmonary function testing

Answer and Explanation

The Correct Answer is B

A. Stress testing evaluates cardiac function and ischemia but is not used to diagnose a pulmonary embolism (PE).
B. D-Dimer is correct. D-Dimer is a blood test that detects fibrin degradation products, which are elevated when a blood clot forms and breaks down, making it a useful screening test for pulmonary embolism. However, a positive D-Dimer is not diagnostic, and further imaging (e.g., CT pulmonary angiography) is required.
C. Electrocardiogram (ECG) may show changes (e.g., sinus tachycardia, right heart strain) but does not confirm PE.
D. Pulmonary function testing assesses lung diseases like COPD or asthma but is not used to diagnose PE.

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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.

A. Check the client's blood pressure. B. Auscultate heart tones. C. Determine if pain radiates to the left arm. D. Perform a 12-lead ECG.

Correct Answer is D

Explanation

A. Checking blood pressure is important but does not confirm a myocardial infarction. Hypotension or hypertension may be present, but they are not definitive diagnostic tools.
B. Auscultating heart tones can help assess for murmurs or extra sounds, but it cannot diagnose a myocardial infarction.
C. Radiating pain to the left arm is a classic symptom, but not all clients experience it, and its absence does not rule out an MI.
D. Performing a 12-lead ECG is the most important diagnostic tool for identifying myocardial infarction. It provides real-time evidence of ischemic changes, such as ST-segment elevation or depression, confirming or ruling out an MI.

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Which diagnostic test may be prescribed to evaluate for the presence of a pulmonary embolism?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse and unlicensed assistive personnel (UAP) are caring for an elderly client diagnosed with emphysema. Which nursing tasks could be delegated to the UAP to improve gas exchange? (Select All that Apply)

Correct Answer is ["C","D","E"]

Explanation

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?

Correct Answer is D

Explanation

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