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06-04-2020
Biology

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A radiograph of a lateral cranium reveals that the mentum was cut off from the bottom of the radiograph. A 24 ´ 30-cm (10 ´ 12-inch) IR was used, and it was placed crosswise. What must be altered if a repeat exposure is performed?1. Increase the extension of the skull2. Increase the flexion of the skull3. Increase the CR angulation4. None of the above positioning was correct

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07-04-2020

Answer:

The correct answer is

4. None of the above; centering and image receptor placement were correct.

Explanation:

The best positioning line is perpendicular to the IR for a PA projection of the skull is 10 x 12 inches (24 x 30 cm) lengthwise.

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