Where is the central ray directed for an AP projection of knees, weight-bearing?
A) $1 / 2$ inch below the apices of the patellae
B) 1 inch below the apices of the patellae
C) 1 $1 / 2$ inch below the apices of the patellae
D) 2 inches below the apices of the patellae

Question

Quizplus · Accepted Answer

The central ray is directed 1/2 inch below the apices of the patellae for an AP projection of knees, weight-bearing.

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Where Is the Central Ray Directed for an AP Projection $1 / 2$