A nurse is preparing to administer an electrocardiogram to a client who has cardiovascular disease. Which of the following statements by the nurse best describes the exam to the client?
The test will assess your ejection fraction.
The test will visualize the flow of blood within your heart.
The test will require you to lie on your left side.
The test will detect abnormal rhythms.
The Correct Answer is D
Rationale:
A. Ejection fraction is typically assessed using echocardiography or other imaging modalities, not electrocardiography.
B. Visualizing the flow of blood within the heart is typically done using imaging modalities such as echocardiography or cardiac catheterization, not electrocardiography.
C. The client's position during an electrocardiogram is usually supine, not specifically on the left side.
D. Electrocardiography is primarily used to detect abnormal rhythms of the heart, such as atrial fibrillation, ventricular tachycardia, or heart block.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["125"]
Explanation
To calculate the IV pump rate in mL/hr, you can use the following formula:
IV pump rate (mL/hr)=Total volume of infusion (mL)/Total time for infusion (hours)
Total volume of infusion=500 mL Total time for infusion=4 hours
IV pump rate (mL/hr)=500 mL/4 hours
=125mL/hr
So, the nurse should set the IV pump to deliver 125 mL/hr.
Correct Answer is C
Explanation
A. “I should not have any coffee 3 hours after the exam.” This statement is not accurate. The restriction related to coffee is usually before the test, not after.
B. “I should not exercise 3 hours after the exam.” This statement is incorrect. The restriction on exercise typically applies before the test, not after.
C. “I should not have beta blockers 3 hours before the exam.” Correct! Beta blockers can affect heart rate and blood pressure, so avoiding them before the test is essential.
D. “I should not smoke 3 hours before the exam.” While it’s generally advisable to avoid smoking before the test, this statement does not specifically address the cardiac stress test.
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