A client with type 2 diabetes normally achieves adequate glycemic control through diet and exercise. Upon being admitted to the hospital for a cholecystectomy, however, the client has required insulin injections on two occasions. The nurse would identify what likely cause for this short-term change in treatment?

D Alterations in bile metabolism and release have likely caused hyperglycemia C The client has likely overstimulated her ability to control her diabetes using non-pharmacologic measures A Stress has likely caused an increase in the client's blood sugar levels B The client's volatile fluid balance surrounding surgery has likely caused unstable blood sugars