A client with Addison's disease becomes weak, confused, and dehydrated following the onset of an acute viral infection. The client's laboratory values include: sodium 129 mEq/L (129 mmol/L), glucose 54 mg/dl (2.97 mmol/L) and potassium 5.3 mEq/L (5.3 mmol/L). When reporting the findings to the healthcare provider, the nurse anticipates a prescription for which intravenous medication? Reference Ranges Sodium [Reference Range: Adult 136 to 145 mEq/L (136 to 145 mmol/L) Glucose (Reference Range: 0 to 50 years: 74 to 106 mg/dl. (4.1 to 5.9 mmol/L)) Potassium [Reference Range: 3.5 to 5.0 mEq/L (3.5 to 5.0 mmol/L)