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On a lateral projection of the knee, what is the best way to prevent the joint space from being obscured by the magnified shadow of the femoral condyle?A. Angle the central ray 5 degrees cephaladB. Place the knee in 90 degree flexionC. Rotate the knee so that the patella forms a 45 degree angle with the image receptorD. Fully extend the patient's lower leg.

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To demonstrate the mandibular body in the PA position, theA. CR is directed perpendicular to the IR.B. CR is directed cephalad to the IR.C. skull is obliqued away from the affected side.D. skull is obliqued toward the affected side.

In the lateral projection of the knee, the central ray is angled 5° cephalad to prevent superimposition of which of the following structures on the joint space?A. Lateral femoral condyleB. Medial femoral condyleC. PatellaD. Tibial eminence

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