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A nurse is caring for a client who has hypertension and has a potassium level of 6.8 mEq/L. Which of the following actions should the nurse take?

Suggest that the client use a salt substitute.

Advise the client to add citrus juices and bananas to her diet.

Obtain a 12-lead ECG

Obtain a blood sample for a serum sodium level

Answer and Explanation

The Correct Answer is C

Rationale:

A. Salt substitutes often contain potassium and should be avoided in clients with hyperkalemia.

B. Citrus juices and bananas are high in potassium and should be avoided in clients with hyperkalemia.

C. A 12-lead ECG may include changes such as peaked T wave, flattened P wave, prolonged PR interval, ST depression, and prolonged QRS duration.

D. A serum sodium level should be obtained but it is not the priority in this case.

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Correct Answer is D

Explanation

A. Regular pacemaker checks are scheduled periodically, not only when the battery needs replacement.
B. Modern pacemakers are well-shielded and are not affected by household microwaves.
C. Clients should check their pulse daily to ensure proper pacemaker function, not just weekly.
D. Many pacemakers can be checked remotely using telephone or wireless technology, allowing for convenient monitoring.

A. Nitroglycerin B. Carvedilol C. Atorvastatin D. Metformin

Correct Answer is D

Explanation

Rationale:

A. Nitroglycerin does not interact with contrast material.

B. Carvedilol does not interact with contrast material.

C. Atorvastatin does not interact with contrast material.

D. Metformin can interact with contrast material and increase the risk of acute kidney injury. It is typically held before and after procedures involving contrast material.

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A nurse is caring for a client who has hypertension and has a potassium level of 6.8 mEq/L. Which of the following actions should the nurse take?

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