The client with a history of hypertension is taking furosemide (Lasix). The nurse reviews the client's serum potassium levels and would report which of the following before administering the dose of furosemide?
a. 3.2 mEq/L c. 4.2 mEq/L
b. 3.8 mEq/L d. 4.8 mEq/L
A
The normal serum potassium range is 3.5 to 5.0 mEq/L. Hypokalemia, a serum potassium level of less than 3.5 mEq/L, can result from the use of diuretics or from gastrointestinal tract disturbances. Administering furosemide to a client with a low potassium level could result in dysrhythmias in the client.
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