A PA Chest Projection Obtained with the Patient Rotated into an RAO

question 14

Multiple Choice

A PA chest projection obtained with the patient rotated into an RAO position demonstrates
1) 1 inch (2.5 cm) of the apical lung field above the clavicles.
2) the vertebral column superimposed over the left sternoclavicular (SC) joint.
3) elevated lateral clavicular ends.
4) the left posterior ribs with greater length than the right posterior ribs.

• A) 2 only
• B) 1, 2, and 4 only
• C) 3 only
• D) 1 and 4 only

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