Ideally, the Cathode End of an X-Ray Tube Should Be

question 171

Multiple Choice

Ideally, the cathode end of an x-ray tube should be positioned to take advantage of the "heel effect" of the tube. Where should the cathode be placed for an AP thoracic spine?

• A) Toward the head
• B) Toward the feet
• C) Head or foot end
• D) Variable, depending on body habitus

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