The Nurse Is Reviewing Orders for a Patient in Myxedema

The nurse is reviewing orders for a patient in myxedema coma. Which orders should the nurse question before administering to this patient?

A) regular insulin IV at 5 units per hour
B) cooling blanket
C) methimazole (Tapazole) 15 mg PO daily
D) pulse oximetry and vital signs hourly
E) serum TSH level daily