Define collimation Study guides, Class notes & Summaries

As kVp is decreased... contrast increases The speed of the film-screen combination has what relationship with density? directly proportional Grid frequency is described as the... number of lead strips per inch or centimeter The intensity of the scattered beam is 1/1000 the intensity of the primary beam at what angle 1 m from the patient? 90 degrees The minimum source-to-skin distance for fixed fluoroscopes is... 15 inches Ionization may cause... unstable ...

How Do You Reduce Beam Hardening Correct Answer 1. Increase Dose 2. Reduce Collimation--Reduce Slice Thickness 3. Increase Window Width At What Level Does The Abdominal Aortal Bifurcate? Correct Answer L4 What Is The Typical Scan Delay After Injection Of Contrast Media For Studies Of The Liver? Correct Answer 30-45 Seconds What Window Settings Provide The Best Tissue Differentiation Within The Liver? Correct Answer Window Width= 140, Level= 60 What Is The Window Settings That Provi...

CT REGISTRY EXAM QUESTIONS AND ANSWERS 100% PASS how do you reduce beam hardening - Correct Answer ️️ -1. Increase dose 2. Reduce collimation--Reduce slice thickness 3. Increase window width At what level does the abdominal aortal bifurcate? - Correct Answer ️️ -L4 What is the typical scan delay after injection of contrast media for studies of the liver? - Correct Answer ️️ -30-45 seconds What window settings provide the best tissue differentiation within the liver? - Correct...

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

Nuclear Medicine Instrumentation: Exam 2 Questions with 100% Correct Answers What is efficiency of counting/imaging? - answerHow well detector can... (goes dab, plus c) 1. geometry 2. operating voltage 3. energy resolution 4. scatter 5. dead time 6. absorption 7. background plus... collimation How do you test operating voltage for GM? - answerBattery Check button (DC) How do you test operating voltage for Cutie Pie? - answerBattery Check button (DC) What is operating voltage check ...

Nuclear Medicine Instrumentation: Exam 2 Questions with 100% Correct Answers What is efficiency of counting/imaging? - answerHow well detector can... (goes dab, plus c) 1. geometry 2. operating voltage 3. energy resolution 4. scatter 5. dead time 6. absorption 7. background plus... collimation How do you test operating voltage for GM? - answerBattery Check button (DC) How do you test operating voltage for Cutie Pie? - answerBattery Check button (DC) What is operating voltage check ...

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...

DENTAL RADIOLOGY FINAL EXAM (OBJECTIVES) WITH CORRECT ANSWERS 2024

Radiographer A radiologic technologist who administers ionizing radiation to perform radiographic procedures. They produce radiographic procedures at the request of a physician. Radiologic technology a health care profession that includes all diagnostic imaging technologists and radiation therapists. Radiographers must evaluate an image for _______ quality, _______, and _________ relative to the diagnosis or the reason for the procedure. technical, accuracy, appropriateness ALARA As Low A...

1. For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine - ANSWER A. Avoid buccal pulp horn Explanation 1- avoid BUCCAL pulp horn 2- conserve ling. dentine So take A and B if available 2. For an amalgam restoration of a weakened cusp you should, A. reduce cusp by 2mm on a flat base for more resistance B. reduce cusp by 2mm following the outli...