A lateral cervicothoracic projection (Twining method) with poor positioning demonstrates the humerus with the greater degree of magnification rotated posteriorly. How was the patient mis-positioned for such a projection to be obtained?
a. The arm situated farther from the IR was rotated posteriorly.
b. The midcoronal plane was not aligned parallel with the IR.
c. The arm situated closer to the IR was rotated posteriorly.
d. The arm situated closer to the IR was not elevated.
Question 2
A lateral cervicothoracic projection (Twining method) demonstrates closed intervertebral disk spaces and distorted vertebral bodies. How was the patient mispositioned for such a projection to be obtained?
a. The midcoronal plane was not aligned parallel with the IR.
b. The arm situated farther from the IR was not depressed.
c. The patient was rotated anteriorly.
d. The midsagittal plane was not aligned parallel with the IR.
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A) Sagittal section of the brain; (B) lateral view of the brain.
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Right lateral view of branches of brachiocephalic trunk in neck and head