Scotopic vision is controlled by the

A minimum of how many periapical radiographs should make up a full mouth survey for most adult patients?

A) 10 B) 12 C) 14 D) 16

Normal air is approximately ________ oxygen and ________ nitrogen.

A. 95%/5% B. 21%/78% C. 50%/50% D. 1%/99%