Where should the top of the IR be positioned for a PA oblique projection of the lungs?
A) 2 inches above the clavicles
B) 1 $1 / 2$ to 2 inches above the relaxed shoulders
C) 1 $1 / 2$ to 2 inches above the vertebral prominens
D) 3 to 4 inches above the vertebral prominens

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The Answer of Where should the top of the IR be positioned for a PA oblique projection of the lungs?
A) 2 inches above the clavicles
B) 1 $1 / 2$ to 2 inches above the relaxed shoulders
C) 1 $1 / 2$ to 2 inches above the vertebral prominens
D) 3 to 4 inches above the vertebral prominens

Where Should the Top of the IR Be Positioned for a PA