Your medical director's written protocol instructs you to obtain on-line medical direction prior to assisting a patient with a metered-dose inhaler (MDI). Given this protocol, you must contact:

A) the patient's family doctor before assisting with the MDI.
B) the medical director after assisting with the MDI.
C) an emergency physician prior to assisting with the MDI.
D) no one; physician direction is not required when assisting with the MDI.

C