Where should the superior edge of the IR/collimated field be placed for an AP projection of the thoracic vertebrae?
A) 1 inch above the shoulders
B) 1 $1 / 2$ to 2 inches above the shoulders
C) 1 $1 / 2$ to 2 inches below the shoulders
D) At the level of the shoulders

Question

Quizplus · Accepted Answer

The superior edge of the IR/collimated field should be placed 1 1/2 to 2 inches above the shoulders to include the entire thoracic vertebrae.

Where Should the Superior Edge of the IR/collimated Field Be 1/21 / 21/2

Where Should the Superior Edge of the IR/collimated Field Be $1 / 2$