NCLX questions of the day

NCLEX Question of the Day: Serum Potassium Level

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Today’s NCLEX-RN® question of the day focuses on a client’s potassium level.

The nurse is reviewing a client’s laboratory results and notes the serum potassium level is 2.8 mEq/L. Which nursing action should be initiated immediately?

A. Initiate cardiac monitoring

B. Initiate seizure precautions

C. Institute hourly neurologic checks

D. Administer oxygen via face maskScroll down for the correct answer!


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The correct answer to today’s NCLEX-RN® Question is…

A. Initiate cardiac monitoring

Rationale: Because hypokalemia affects the transmission of cardiac conduction, the client is at risk for developing cardiac arrhythmias. Cardiac monitoring should be initiated immediately. In addition, vital signs, including respiratory status should be monitored.

Major takeaway

Because hypokalemia affects the transmission of cardiac impulses, the client is at risk for developing cardiac arrhythmias. Cardiac monitoring has the highest priority.

Incorrect answer explanations

B. Initiate seizure precautions

Rationale: Seizure precautions are not indicated for a client experiencing hypokalemia.

C. Institute hourly neurologic checks

Rationale: Although hypokalemia can lead to lethargy and altered level of consciousness, neurological checks are not the priority.

D. Administer oxygen via face mask

Rationale: Although hypokalemia may alter respiratory function, administering oxygen is not the priority.

Reference

Lewis, S. L., Dirksen, S. R., Heitkemper, M. M. & Bucher, L. (2017). Medical-surgical nursing: Assessment and management of clinical problems (10th ed.)Elsevier Mosby.

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