Ch:7 & 8 Radiographic Imaging & Radiographic And Fluoroscopy Equipment

Front 1

Attenuation

Back 1

The process by which a beam of x-ray photon's is reduced as it passes through matter is known as?

Front 2

Photostimulable phosphor plate

Back 2

Computed radiography uses which of the following as its image receptor

Front 3

Kilovoltage peak

Back 3

The chief controlling factor of radiographic contrast is

Front 4

What mAs value would result using the 500 mA setting at 0.25 second?

Back 4

125mAs

Front 5

Which of the following image receptor systems does not use light during exposure

Back 5

Direct capture DR

Front 6

Radiograph is made using 40 mAs at a 40 inch SID. if the image must be repeated at 72 inch SID what mAs value is necessary to maintain the same exposure

Back 6

130mAs

Front 7

The 15% rule helps explain the effect of ------- on exposure

Back 7

Kilovoltage Peak

Front 8

Which of the following is not a radiographic contrast medium

Back 8

Water

Front 9

Common cause of radiographic unsharpness is

Back 9

Motion

Front 10

What term in digital imaging is used to describe a numeric representation of the quantity of exposure received by a digital image receptor

Back 10

Exposure indicator

Front 11

The component of the radiographic system that produces radiation is the

Back 11

X-ray tube

Front 12

The control of exposure factors such as mAs and kVp is performed at the operator

Back 12

Control console

Front 13

The quantity of electrons for x-ray exposure is determined by the mAs this is calculated by

Back 13

Multiplying the milliamperage by the exposure time

Front 14

The primary components of the X-ray tube are the

Back 14

Anode and cathode

Front 15

The component that controls the size and shape of the X-ray exposure field

Back 15

Collimator assembly

Front 16

When using photostimulable phosphor technology (PSP)

Back 16

The X-ray exposure is contained in "electron traps" in the phosphor layer

Front 17

All of the following are features of radiographic tables except

Back 17

Table top materials that are high in x-ray attenuation

Front 18

The component that supports and permits the X-ray tube to be moved in different directions is the

Back 18

Tube stand or overhead tubecrane assembly

Front 19

Pivoting the X-ray tube assembly at the point at which it is attached to its transverse support is

Back 19

Tube angulation

Front 20

All of the following are true of fluoroscopic carriage is of little value in reducing operator dose

Back 20

The lead protective apron attached to the fluoroscopic carriage is of little value in reducing operator dose

Front 21

The amount of clinically useful information on a diagnostic image

Back 21

Diagnostic yield

Front 22

X-ray tube design

Back 22

*The tube is inside the LED line tube housing

*made of Pyrex with high vacuum

*produces x-radiation when high energy electricity passes through

*x-radiation exits the tube through a window in the housing and is directed toward a patient

Front 23

Cathode

Back 23

Negative charge

Front 24

Anode

Back 24

Positive charge