A client with Addison's disease started taking hydrocortisone in a divided daily dose last week. It is most important for the nurse to monitor which serum laboratory value?

Choice A reason: Osmolarity is important for overall fluid balance but is not the primary concern with hydrocortisone.Choice B reason: Platelets are important for clotting but are not directly affected by hydrocortisone.Choice C reason:The correct answer is c) because hydrocortisone can increase blood glucose levels, and monitoring glucose is essential for clients with Addison's disease.Choice D reason: Albumin levels are important for nutritional status but are not directly affected by hydrocortisone.