A nurse is caring for a client who is taking digoxin 0.125 mg PO daily and is at risk for
developing digoxin toxicity. The nurse should monitor the client for an imbalance of which of the following electrolytes because it can increase the risk for digoxin toxicity?

Calcium

Magnesium

Phosphatase

Potassium

Answer and Explanation

The Correct Answer is D

A low potassium level (hypokalemia) can increase the risk for digoxin toxicity because it enhances the binding of digoxin to cardiac cells and increases its effects on cardiac contractility and electrical conduction. The nurse should monitor the client's potassium level and administer potassium supplements as prescribed if needed. The other electrolytes are not directly related to digoxin toxicity.

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Correct Answer is D

Explanation

Positive end-expiratory pressure (PEEP) is a mode of mechanical ventilation that maintains a positive pressure in the airways at the end of expiration, preventing alveolar collapse and improving oxygenation. PEEP does not affect tidal volume, inspiratory pressure, or ventilation rate, which are determined by other ventilator settings.

A. A client who has a peripherally inserted central catheter (PICC) in the left arm B. A client who has a right upper extremity arteriovenous fistula C. A client who has right-sided weakness due to Parkinson's disease D. A client who has left-sided Bell's palsy

Correct Answer is B

Explanation

The nurse should obtain a blood pressure reading using only the left extremity from a client who has a right upper extremity arteriovenous fistula. An arteriovenous fistula is a surgical connection between an artery and a vein that is created for hemodialysis access.

Measuring blood pressure on the arm with an arteriovenous fistula can cause damage to the fistula, reduce blood flow, and increase the risk of infection or thrombosis. Therefore, blood pressure should be measured on the opposite arm or on another site such as the leg.

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A nurse is caring for a client who is taking digoxin 0.125 mg PO daily and is at risk for developing digoxin toxicity. The nurse should monitor the client for an imbalance of which of the following electrolytes because it can increase the risk for digoxin toxicity?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is checking a client's ventilator settings. The nurse should understand that positive end- expiratory pressure has which of the following purposes?

Correct Answer is D

Explanation

A nurse is caring for a group of clients. The nurse should obtain a blood pressure reading using only the left extremity from which of the following clients?

Correct Answer is B

Explanation

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A nurse is caring for a client who is taking digoxin 0.125 mg PO daily and is at risk for
developing digoxin toxicity. The nurse should monitor the client for an imbalance of which of the following electrolytes because it can increase the risk for digoxin toxicity?