Blog

Images taken faster than the detector can process and release the previous image signal is known as:

If our original technique was a 40” SID with 75 kVp and 8 mAs, what would our new technique be if we did a repeat but add a 12:1 grid?

By post-processing the image with a higher (to the right) window level, the image will become more:

The cathode is a filament composed of:

* What material is commonly used for the photoconductor in direct digital radiography?

* When an aluminum filter is added to the x-ray tube, what happens to the average energy of the beam?

* 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 radiology measure?

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, due to laser stimulation: