Accurate Alignment of the Central Ray and Glenoid Cavity on an Inferosuperior

Accurate alignment of the central ray and glenoid cavity on an inferosuperior axial shoulder projection

A) is unaffected by the degree of humeral abduction.
B) is affected by the alignment of the humeral epicondyle with the floor.
C) is obtained when the humerus is abducted to 60 degrees and the central ray to lateral body surface angle is set at 30 degrees.
D) will demonstrate the lateral edge of the coracoid process base aligned with the inferior glenoid cavity.