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If the statement is true, type “true” and “false” if it is false. (2 pts. each) CORRECT ANY FALSE STATEMENTS!!! Collimation guidelines include extremity projections collimate to within .5 inches (1.25 cm) of the skin line of the thickest VOI.

Which of the following affect radiographic contrast?

The technical data requirement for radiographic images include the following:

The automatic exposure back up timer is a safety device that prevents overexposure to the patient when AEC is not functioning or incorrect control panel settings are use- the AEC back up time is set at______________________.

A diagnostic quality image is the result of:

Define distortion and spatial resolution. (2 pts)

Explain, in your own words, the difference between high and low contrast. (2 pts)

If the statement is true, type “true” and “false” if it is false. (2 pts. each) CORRECT ANY FALSE STATEMENTS!!! Grid alignment is important or grid cutoff may occur resulting in a loss of radiographic density.

If the statement is true, type “true” and “false” if it is false. Correct the False Statements. (2 point each) On a short scale contrast radiograph, there are many useful Densities.

If the statement is true, type “true” and “false” if it is false. Correct the False Statements. (2 point each) Because overexposure of the digital image receptor typically produces an image with appropriate brightness and no quantum noise, all studies should be done with a little more exposure than needed.