Which action will the nurse take in a client hospitalized for uncontrolled hypertension and chest pain on a daily diuretic for 2 days whose potassium level this morning is 2.7 meq/l?
a) Administer a potassium-sparing diuretic
b) Increase the dosage of the current diuretic
c) Hold the diuretic and notify the healthcare provider
d) Administer intravenous potassium supplement immediately
