Which of the following statements regarding the EMS medical director and an EMT's scope of practice is correct?

Select one:

A$.$ The EMS medical director can expand or limit an individual EMT's scope of practice without state approval.

B$.$ An EMT's scope of practice is exclusively regulated by the state EMS office, not the EMS medical director.

C$.$ The EMS medical director can expand the EMT's scope of practice but cannot limit it without state approval.

D$.$ An EMT's scope of practice may be expanded by the medical director after proper training and state approval.