Define collimation - Study guides, Class notes & Summaries

Bontrager Radiographic Positioning Final Exam Test Bank Marking Scheme The first general rule in diagnostic radiology suggest that a minimum of ______ projections be taken _______ degrees from each other as possible are required for most radiographic procedures. - ANSWER- 2 projections; 90 degrees The direction or path of the central ray of the x-ray beam defines the following positioning term: - ANSWER- Projection A patient is erect with their back to the IR. The left side of the bo...

how do you reduce beam hardening - Answer - 1. Increase dose 2. Reduce collimation--Reduce slice thickness 3. Increase window width At what level does the abdominal aortal bifurcate? - Answer - L4 What is the typical scan delay after injection of contrast media for studies of the liver? - Answer - 30-45 seconds What window settings provide the best tissue differentiation within the liver? - Answer - window width= 140, level= 60 What is the window settings that provide the best bone...