* When an aluminum filter is added to the x-ray tube, what happens to the average energy of the beam?
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* A radiologic technologist is using an X-ray machine with a…
* A radiologic technologist is using an X-ray machine with a grid to reduce scatter radiation. The initial exposure settings without a grid were 5 mAs. After placing a 8:1 grid, what should the new mAs be to maintain image receptor exposure?
What does the Detective Quantum Efficiency (DQE) in radiolog…
What does the Detective Quantum Efficiency (DQE) in radiology measure?
What is the pixel size of a 525 x 525 matrix with a 25 cm FO…
What is the pixel size of a 525 x 525 matrix with a 25 cm FOV and a 40” SID?
The luminescence of blue-violet light from a CR fluorohalide…
The luminescence of blue-violet light from a CR fluorohalide, due to laser stimulation:
If you had used 40 mAs at 75 kVp at a distance of 72” and th…
If you had used 40 mAs at 75 kVp at a distance of 72” and then you repeat the image at a distance of 40”, what would your new mAs need to be in order to maintain your IR exposure?
Radiographic contrast in computed radiography may be adjuste…
Radiographic contrast in computed radiography may be adjusted by changing the:
Increasing kVp of an x-ray beam will result in the photon ha…
Increasing kVp of an x-ray beam will result in the photon having:
* A radiograph shows normal exposure in the center but sligh…
* A radiograph shows normal exposure in the center but slight under exposure along both edges. Which grid error most likely occurred?
* Which three factors contribute to increased scatter radiat…
* Which three factors contribute to increased scatter radiation during an X-ray examination?