In order to prepare the small bowel for a contrast exam, the patient should be NPO after_______ the night before the exam.

A device that behaves as a gate to allow electrons to move out of a pixel in flat panel digital radiography is a :

Which of the following is considered to be the weakest link in digital imaging?

When instructing the patient in the Valsalva maneuver:

What releases electrons from the atoms in the barium fluorohalide crystals?

In digital imaging, shades of gray are determined by:

A highly efficient indirect conversion system that uses less power than CCD technology  is known as a(n):

With photostimulable phosphor systems, the exposure index is determined from a histogram. Which of the following could cause an incorrect value? Anatomical part is not centered to the IR Three sides of collimation are not detected Incorrect anatomical part selected from the menu

The _______ converts x-ray energy directly to a digital electrical signal.

Total brightness gain of an image intensifier is a result of which of the following? Flux gain Focus gain Minification gain