A recommended practice is to decrease the SID to less than 40 inches (102 cm)for the oblique sternum projection to increase the magnification and resultant unsharpness of overlying ribs.

Question

Quizplus · Accepted Answer

Decreasing the SID to less than 40 inches is not recommended as it increases magnification and unsharpness, which is generally undesirable. Instead, a standard SID of 40 inches is typically used for oblique sternum projections to maintain image clarity.

A Recommended Practice Is to Decrease the SID to Less