251 chapter 13

This element is responsible for "catching" the x-rays

• coupling

• collection

• capture

• TFT

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Examples of this element are lenses and fiber optics

• capture

• couple

• collect

• CCD

Tags

NGSS.HS-PS4-5

This element is responsible for sending the signal to the computer

• capture

• couple

• collect

• lens

Tags

NGSS.HS-PS4-5

in computed radiography this results when the PSP is scanned with a laser beam

• visible image

• latent image

• charge

• photons

Tags

NGSS.HS-PS4-3

In digital radiography, the pixel values determine

• contrast

• density

• brightness

• repeats

The PSP is the capture element for

• indirect DR

• indirect DR with a CCD

• direct DR

• CR

Tags

NGSS.HS-PS4-5

Who developed scanned projection radiography

• MRI vendors

• CT vendors

• Siemens

• Radon

Tags

NGSS.HS-PS4-3

which of the following is the most recent development in digital radiography

• direct capture solid state devices

• PSP

• linear array radiation detectors

• fanned x-ray beams

Tags

NGSS.HS-PS4-5

a_____ matrix and a _____ pixel gives better spatial resolution

• bigger, bigger

• bigger, smaller

• smaller, bigger

• smaller, smaller

spatial resolution is determined by the ratio of _____ to _____

• field of view, matrix size

• VOI, pixel size

• field of view, patient size

• signal to noise