Which of the following is an example of the EMT providing care based on standing orders?

A: Following assessment of a patient with a terminal illness, the EMT notifies the patient's personal physician to determine whether he or she requires any special care.
B: After confirming that a patient's blood pressure is adequate, the EMT contacts medical control and requests permission to assist the patient with his prescribed nitroglycerin.
C: Prior to administering oral glucose to a patient with hypoglycemia, the EMT confirms the proper dosage and requests authorization from the base station physician.
D: The EMT defibrillates a patient with the automated external defibrillator, directs immediate resumption of CPR, and then contacts medical control for further guidance.

Answer: D: The EMT defibrillates a patient with the automated external defibrillator, directs immediate resumption of CPR, and then contacts medical control for further guidance.