Which factor is most important to open up the intervertebral joint spaces for a lateral thoracic spine projection?

Question

Quizplus · Accepted Answer

Keeping the vertebral column parallel to the tabletop ensures that the intervertebral joint spaces are aligned in the same plane, making it easier to open them up on the image. The other options, such as using high kV, collimating the area, or angling the CR, may be important for optimizing the image quality, but they do not directly affect the opening of the joint spaces.

Which Factor Is Most Important to Open Up the Intervertebral