What is a crucial consideration when preparing a patient for an electrocardiogram (EKG/ECG)?

Instructing the patient to fast for at least 12 hours before the procedure

Ensuring the skin is clean and dry where electrodes will be placed

Using a higher room temperature to keep the patient warm

Applying electrodes directly over bony prominences

Answer and Explanation

The Correct Answer is B

A. Instructing the patient to fast for at least 12 hours before the procedure: Fasting is not required for an ECG. It is a non-invasive test that doesn’t involve food interactions.

B. Ensuring the skin is clean and dry where electrodes will be placed: This ensures good electrode contact and accurate readings. Oils, lotions, or moisture can interfere with signal transmission.

C. Using a higher room temperature to keep the patient warm: While comfort is important, this is not a primary preparation step. ECG accuracy is not dependent on room temperature.

D. Applying electrodes directly over bony prominences: Electrodes should be placed on flat, muscular areas to ensure proper contact, not over bones.

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Correct Answer is D

Explanation

A. Blood pressure 160/94 mm Hg: This blood pressure is elevated and an indication for metoprolol, a beta-blocker that helps lower blood pressure.

B. Respiratory rate 18/min: This is within normal range (12–20 breaths/min) and is not a contraindication for metoprolol.

C. Oxygen saturation 95%: This is within normal limits and not a reason to withhold the medication.

D. Heart rate 50/min: Metoprolol can lower heart rate. A heart rate <60 bpm is a contraindication because it increases the risk of bradycardia. The nurse should withhold and notify the provider.

A. Obtain a sputum culture. B. Position the client prone. C. Cough and deep breathe every 4 hr. D. Encourage fluid intake of 1500 mL/day.

Correct Answer is A

Explanation

A. Obtain a sputum culture:
This is essential before starting antibiotics to identify the causative organism and guide treatment.

B. Position the client prone:
Prone positioning is not appropriate for pneumonia; upright or semi-Fowler's helps with lung expansion and drainage.

C. Cough and deep breathe every 4 hr:
This is not frequent enough. The recommended frequency is at least every 2 hours to improve ventilation and secretion clearance.

D. Encourage fluid intake of 1500 mL/day:
While hydration is important, the intake should be at least 2,000–3,000 mL/day to thin secretions unless contraindicated.

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What is a crucial consideration when preparing a patient for an electrocardiogram (EKG/ECG)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is collecting data from a client prior to administering metoprolol. For which of the following findings should the nurse withhold the medication?

Correct Answer is D

Explanation

A nurse is assisting in the plan of care for a client who has pneumonia. Which of the following nursing actions should be included?

Correct Answer is A

Explanation

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