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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 ["A","B","D"]

Explanation

Rationale:

A. Fluid overload can lead to increased blood pressure due to the excess fluid circulating in the body.

B. Increased heart rate is a compensatory mechanism in response to fluid volume overload.

C. Increased hematocrit is not typically associated with fluid volume overload.

D. Increased respiratory rate is a compensatory mechanism in response to fluid volume overload.

E. Increased temperature is not typically associated with fluid volume overload.

A. Sinus Tachycardia B. Ventricular Tachycardia C. Complete Heart Block D. Idioventricular Rhythm

Correct Answer is B

Explanation

A. A sinus tachycardia is characterized by a sinus P wave at a rate of more than 100 per minute followed by a narrow QRS complex unlike in the strip depicted above.

B. The above ECG strip shows a ventricular tachycardia based on the wide QRS with a rate more than 120 bpm, AV dissociation and the fusion beats.

C. A complete heart block is characterized by QRS complexes being conducted at their own rates and totally independent of the P wave.

D. An idioventricular rhythm is characterized by a slow regular ventricular rhythm with a rate less than 50 bpm unlike in the above strip. It also has a prolonged QRS interval with no P wave.

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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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Naxlex Comprehensive Predictor Exams

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Correct Answer is ["A","B","D"]

Explanation

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Correct Answer is B

Explanation

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