251 chapter 13

in digital imaging, what limits spatial resolution

• pixel size

• focal spot size

• FOV

• patient body habitus

indirect capture DR produces _____ and direct does not

• charge

• light

• noise

• fog

indirect capture DR has this component and direct DR does not

• a-Se

• coupling element

• scintillator

• ADC

This component converts x-rays into an electric charge

• a-Se (selenium)

• CSI

• GdOs

• TFT

With direct DR x-rays are immediately changed to

• light

• charge

• protons

• neutrons

Tags

NGSS.HS-PS4-3

with CR what is the capture element

• CSI

• GdOs

• a-Se

• BaF with europium

with the Indirect DR that utilizes a CCD what is the couple element

• a-Si

• fiber optics

• lenses

• a-Se

with indirect DR that utilizes a TFT what is the couple element

• lenses

• a-Se

• a-Si

• fiber optics

with direct DR what is the capture element

• a-Si

• a-Se

• CSI

• GdOs

with direct DR what is the collection element

• CCD

• TFT

• CmOs

• a-Se