DR QC

Question 1

Developed a pettern for evaluating display resolution

Answer 1

Society of Motion Picture and Television ENgineers (SMPTE)

Question 2

SMPTE
Most common is the observation of (1) and (2) luminance patches to identify (3) in luminance

Answer 2

1. 5%
2. 95%
3. gross deviation

Question 3

recommended the SMPTE pattern for QC in telerdiology

Answer 3

American College of Radiology (ACR)

Question 4

created the DICOM stndard

Answer 4

ACR and National Electrical Manufacturers Association (NEMA)

Question 5

For consistent grayscale appearance in DICOM-compatible displapys

Answer 5

Gray Scale Display FUnction

Question 6

seved as an acceptance testing standard for digital displat devices

Answer 6

DIN 2001

Question 7

Provides evaluation instructions for system performance in line with compliane standards

Answer 7

Flat Panel Displat Measurement (FPDM)

Question 8

Released FPDM

Answer 8

Video Electronics Standard Association (VESA), 1998

Question 9

Evaluates a digital display device comprehensively to ensure acceptable clinical performance

Answer 9

AAPM TG 18

Question 10

For luminance response of monitors and luminnace uniformity measurements

Answer 10

Photometer

Question 11

Photometer types

Answer 11

Near range photometers
Telescopic photometers

Question 12

Used in close proximit to monitors

Answer 12

Near-range photometers

Question 13

Measure luminance from a distance of 1m

Answer 13

Telescopic photometer

Question 14

Photometers required range: (1) with better than (2) accuracy
and at least (3) precision

Answer 14

1. 0.05-1000 cf/m^2
2. 5%
3. 0.01

Question 15

Evaluates monitor display reflection and ambient light conditions

Answer 15

Illuminance meter

Question 16

Quantifies color tint of grayscale displays to match multiple monitors that may be used at a single WS

Answer 16

Colorimeters

Question 17

Measure CIE-specified color coordinates; available in near-range and telescopic styles

Answer 17

Colorimeters

Question 18

Mostly, — patterns are used to perform qualitative and quantitave tests

Answer 18

AAPM TG 18

Question 19

Occurs when displayed images geometrically differ from iorig image

Answer 19

Geometric Distortion

Question 20

Geometric distortion acceptable levels

Answer 20

Primary class devices: <=2% distortion
Secorndary class devices: <= 5% distortion

Question 21

Reflection is usually characterized as:

Answer 21

Specular reflection
Diffuse reflection

Question 22

Produces mirror images from surrounding light sources

Answer 22

Specular reflection

Question 23

Light is randomly scattered on the digital display

Answer 23

Diffuse reflection

Question 24

Quantitative measure of dispay system’s ability to producle separable images of diff points of an object within high fidelity

Answer 24

Spatial resolution

Question 25

High freq fluctuation/ patterns that interfere with detction of true signal

Answer 25

Noise

Question 26

QC is the principal responsibility of the —

Answer 26

medical physicist

Question 27

Pattern which should be viewed regularly

Answer 27

TG 18-QC

Question 28

Patterns that can be used to evaluate display resolution

Answer 28

TG 18-CX and TG 18-QC

Question 29

Pattern that can be used to evaluate resolution uniformity.

Answer 29

TG 18-PX