NCLEX RN Med Surg Questions Related

Review NCLEX RN Med Surg Questions related questions and content

A client has recently been diagnosed with type 2 diabetes mellitus and is to take tolbutamide (Orinase). When teaching the client about the drug, the nurse explains that tolbutamide is believed to lower the blood glucose level by which of the following actions?

  • A. Potentiating the action of insulin.
  • B. Lowering the renal threshold of glucose.
  • C. Stimulating insulin release from functioning beta cells in the pancreas.
  • D. Combining with glucose to render it inert.
Correct Answer: C

Rationale: Tolbutamide, a sulfonylurea, stimulates insulin release from pancreatic beta cells, helping to lower blood glucose levels in type 2 diabetes.