A nurse is performing an ECG on a client who is experiencing chest pain.
Which of the following statements should the nurse make?

The test will be complete in 30 to 60 minutes.

I will need to apply electrodes to your chest and extremities.

You might feel a slight tingling while the test is being done.

The radioactivity from the dye lasts only a few hours.

Answer and Explanation

The Correct Answer is B

Choice A rationale

ECG tests usually take 5 to 10 minutes to complete. The patient's chest pain necessitates a quick assessment, and prolonged testing could delay urgent care.

Choice B rationale

Electrodes applied to the chest and extremities detect the electrical activity of the heart, necessary for accurate ECG readings and diagnosing potential cardiac issues.

Choice C rationale

The ECG procedure does not typically cause tingling sensations. It involves passive measurement of electrical signals, making this statement inaccurate and potentially alarming to the patient.

Choice D rationale

ECG tests do not involve dye or radioactivity. This confusion may arise from nuclear stress tests, which are different procedures for evaluating heart function.

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Correct Answer is A

Explanation

Choice A rationale

The first upward deflection in an ECG represents the P wave, indicating atrial depolarization. It precedes the QRS complex and corresponds to the electrical activity associated with atrial contraction, initiating the cardiac cycle.

Choice B rationale

The peak of the first wave corresponds to the R wave, not the P wave. The R wave is a part of the QRS complex, representing ventricular depolarization, and is not associated with atrial depolarization.

Choice C rationale

The downward deflection following the peak is the S wave, part of the QRS complex, indicating ventricular depolarization. It is not related to the P wave, which specifically represents atrial depolarization.

Choice D rationale

The second upward deflection is the T wave, which represents ventricular repolarization. It follows the QRS complex and is not associated with atrial depolarization or the P wave. .

A. You can store the bottle of tablets in your bathroom medicine cabinet. B. Nitroglycerin dilates cardiac blood vessels to deliver more oxygen to the heart. C. Place one tablet under your tongue every 5 minutes for 30 minutes to relieve chest pain. D. Nitroglycerin decreases chest pain by dissolving blood clots that are occluding the arteries.

Correct Answer is B

Explanation

Choice A rationale

Storing nitroglycerin in the bathroom medicine cabinet is incorrect. The bathroom’s humidity and heat can degrade the medication, reducing its effectiveness.

Choice B rationale

Nitroglycerin dilates cardiac blood vessels to deliver more oxygen to the heart. This action helps relieve the chest pain associated with angina by increasing blood flow.

Choice C rationale

Placing one tablet under the tongue every 5 minutes for 30 minutes is incorrect. The correct protocol is one tablet every 5 minutes for up to 15 minutes (total of 3 tablets).

Choice D rationale

Nitroglycerin does not decrease chest pain by dissolving blood clots. It works by dilating blood vessels and increasing oxygen supply to the heart muscle.

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A nurse is performing an ECG on a client who is experiencing chest pain.Which of the following statements should the nurse make?

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Naxlex Comprehensive Predictor Exams

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A nurse is performing an ECG on a client who is experiencing chest pain.
Which of the following statements should the nurse make?