CRNE Exam Prep

Category - Changes in Health

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A woman prescribed with digoxin is complaining of weakness, nausea, and anorexia. A serum potassium test revealed a level of 3.2 mEq/L. The physician orders a digoxin level to rule out digoxin toxicity. The nurse checking the results knows that the therapeutic levels for digoxin range from:

3.5 to 5.0 ng/mL
0.5 to 2.0 ng/mL
2.0 to 3.5 ng/mL
0.6 to 1.2 ng/mL

Explanation

Answer: B - The therapeutic levels for digoxin range from 0.5 to 2.0 ng/mL. Digoxin toxicity is manifested by anorexia, nausea, vomiting, and visual disturbances.

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