A patient is having a cardiac evaluation to assess for possible heart failure and valvular disease. Which study best identifies heart function and measures the size of the cardiac chambers?
Electrophysiology study
12-lead electrocardiogram
Cardiac catheterization
Echocardiogram
The Correct Answer is D
A. An electrophysiology study assesses the electrical activity of the heart but does not evaluate heart function or chamber size.
B. A 12-lead electrocardiogram records the electrical activity of the heart but does not provide detailed information on heart function or chamber size.
C. Cardiac catheterization is an invasive procedure used to assess coronary artery disease and other structural heart conditions but is not the primary study for evaluating heart function and chamber size.
D. An echocardiogram is a non-invasive ultrasound that provides detailed images of the heart, including its function, chamber size, and valve function, making it the best choice for this purpose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Spironolactone is a potassium-sparing diuretic, so it would not cause hypokalemia.
B. Furosemide is a loop diuretic that causes the kidneys to excrete potassium, leading to hypokalemia.
C. Metoprolol is a beta-blocker and does not directly affect potassium levels.
D. Nitroglycerin is a vasodilator and does not affect potassium levels.
Correct Answer is C
Explanation
A. Referring the patient to the physician without addressing the concern may make the patient feel dismissed.
B. While lifestyle changes are important, this response does not address the patient’s emotional concern directly.
C. Encouraging the patient to express their fears allows the nurse to provide emotional support and address any misconceptions or anxieties, which is crucial for holistic care.
D. This response could be seen as dismissive and may not address the patient’s underlying concerns or fears.
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