Exam 3: Image Quality

If the bit depth of an MRI scanner is 12 bits, how many gray shades can be present in the image?

Which of the following can be thought of as the amount of information recorded in an image divided by the information available in the part?

A DR flat panel detector element (DEL) size will help to determine which of the following?

The amount of light either scattered or emitted by a surface is known as

Which modality generally display the greatest spatial resolution?

The rare earth phosphor, lanthanum oxybromide, emits what color of light?

Which of the following terms is the unit most commonly used to measure luminance?

Which of the following terms best describes the ability of an imaging system to create separate images of closely spaced high-contrast objects?

Which of the following terms also is referred to as the TP fraction?

Detective quantum efficiency (DQE) is a measure of which of the following?

Fifteen ft-cd would be equivalent to approximately ____ lux.

The type of contrast that is caused by variations in the tissue density within the anatomical part to be imaged, defines which of the following?

The window width setting in a digital imaging system is used to manipulate which of the following values?

The ability of an imaging system to distinguish structures with similar x-ray transmission as separate entities is known as