[Answered]: Fluid, Electrolyte and Acid-Base Homeostasis: Ms

Fluid, Electrolyte and Acid-Base Homeostasis: Ms. Brown is a 70-year-old woman with type 2 diabetes mellitus who has been too ill to get out of bed for 2 days. She has had a severe cough and has been unable to eat or drink during this time. On admission, her laboratory values show the following: • Serum glucose 412 mg/dL • Serum sodium (Na+) 156 mEq/L • Serum potassium (K+) 5.6 mEq/L • Serum chloride (Cl–) 115 mEq/L • Arterial blood gases (ABGs): pH 7.30; PaCO2 32 mmHg; PaO2 70 mmHg; HCO3– 20 mEq/L