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NCLEX RN· RN Cardiovascular · Cardiovascular System NCLEX RN Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The nurse caring for a client with a history of atrial fibrillation is prescribed dofetilide to control the dysrhythmia. What assessment should the nurse prioritize before administering the medication?

A. Daily weight
B. Liver function tests
C. QT interval on the electrocardiogram (ECG)
D. Blood urea nitrogen (BUN) and creatinine levels

Expert Explanatory Rationale

Correct Answer: QT interval on the electrocardiogram (ECG)

Question 2 of 5

The nurse has performed a cardiovascular assessment on a client, and while auscultating heart tones, the nurse auscultates a harsh blowing sound. The nurse should document this finding as a

A. pericardial friction rub.
B. heart murmur.
C. normal lub-dub sounds.
D. S3 heart sound.

Expert Explanatory Rationale

Correct Answer: heart murmur.

Question 3 of 5

The nurse has instructed a client who is scheduled to have a transesophageal echocardiogram (TEE). Which of the following statements by the client would indicate a correct understanding of the teaching?

A. I will need to take antibiotics for one week following this test.
B. This test will determine if I have any blood clots in my heart.
C. I will receive general anesthesia for this procedure.
D. I may feel a flushing sensation when the contrast dye is given.

Expert Explanatory Rationale

Correct Answer: This test will determine if I have any blood clots in my heart.

Question 4 of 5

The nurse assesses a client with acute left leg swelling and calf tenderness following a long car ride. The nurse anticipates that the primary healthcare provider (PHCP) will order which diagnostic test?

A. D-dimer test
B. Ankle-Brachial Index
C. Radiograph (X-Ray)
D. Venous Duplex Ultrasonography

Expert Explanatory Rationale

Correct Answer: Venous Duplex Ultrasonography

Question 5 of 5

The nurse is caring for a client with the below tracing on the electrocardiogram (ECG). The client reports dyspnea and dizziness. The nurse should obtain a prescription for which medication? See the image below.

A. Diltiazem
B. Amiodarone
C. Labetalol
D. Atropine

Expert Explanatory Rationale

Correct Answer: Amiodarone

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