Exam 12: Digital Imaging

How many lines would an ideal video monitor for digital radiography have?

The x-ray beam exiting the patient has the capability of producing over _____ shades of gray.

With digital imaging, using twice the needed mAs will result in an image with _____ density/brightness and _____ patient exposure.

What serves the same purpose in conventional radiography as the imaging plate used in computed radiography?

The basic unit of information in a computer is a(n):

_____ is the postprocessing technique that improves the visibility of small and high-contrast structures.

Which of the following systems is NOT associated with direct digital radiography (DR)?

Which of the following matrix sizes would produce the best image quality?

The pixel bit depth determines the amount of shades of gray the system is capable of displaying on the digital image.

Which one of the following digital systems would have the best image quality?

What is the name of an image constructed from numerical information?

Increasing the number of pixels in the image matrix will increase:

Which of the following digital imaging systems uses a photostimulable phosphor?

Which imaging method(s) is/are difficult to use for mobile radiography?

What is the graphical display of the pixel values during digital radiography known as?

As compared to CR, a disadvantage of direct digital radiography is:

_____ convert(s) conventional radiographs to digital images.

The resolution capability of the computed radiography image is approximately _____ lp/mm.

What is the device that changes into digital data the electrical signal created from the light released from the CR imaging plate?

Which imaging method(s) require(s) the shortest time from exposure to image viewing?