Which Factor Is Most Important to Open Up the Intervertebral

question 14

Multiple Choice

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

• A)Use sufficiently high kV.
• B)Collimate the spine region to reduce scatter.
• C)Keep the vertebral column parallel to the tabletop.
• D)Angle the central ray (CR) 5° to 10° caudad.

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