A patient has administered regular insulin 30 minutes prior but has not received a breakfast tray. The patient is experiencing nervousness and tremors. What is the nurse's first action?

A. Administer a rapid acting insulin: Giving additional insulin would worsen hypoglycemia and could lead to serious complications. The patient’s symptoms suggest low blood glucose, so administering more insulin is unsafe and not indicated at this time. B. Perform bedside glucose testing.: Checking the patient’s blood glucose provides objective data to confirm hypoglycemia. This allows the nurse to determine the appropriate intervention, such as administering glucose orally or intravenously, ensuring safe and targeted treatment. C. Notify the kitchen to deliver the tray.: While providing food is important, waiting for the tray without confirming blood glucose could delay treatment of hypoglycemia. Immediate assessment of glucose is required before feeding. D. Give the patient orange juice.: Administering juice may be appropriate if hypoglycemia is confirmed, but giving it before verifying blood glucose could mask other causes of tremors and nervousness. Assessment first ensures safe and effective intervention.