Answer:
The answer is: Dennis can work as a PA independently of the doctors or with them if he wishes.
Explanation:
A medical assistant in the United States / Canada, or an associate physician in the United Kingdom (PA) is a health professional who practices medicine in collaboration with doctors. The PA can exercise autonomously and independently of the Physicians, depending on the legislation in the state or province practiced by the PA.
The answer is: Dennis can work as a PA independently of the doctors or with them if he wishes.