The general shift rule-of-thumb requires a shift in the centering of 1 inch for every ___________ ° of beam angle. When a caudal angle is added, the CR must be shifted in the ____________ direction.

When properly performed, mouth-to-mouth (expired air) ventilation provides approximately how much oxygen (O2)?

a. 20% b. 16% c. 12% d. 30%

Fractured teeth and soft tissue scarring are commonly seen during the extra oral examination of seizure patients

Indicate whether the statement is true or false