Deck 12: Total Quality Management of Cr and Dr Systems

Question 1

Image acquisition is tested through the use of ______.

A)Computers
B)Patients
C)Phantoms
D)Densitometers

Answer 1

Phantoms

Question 2

If the printer glass becomes obstructed by dirt or fingerprints, artifacts on the printed image can be interpreted as ______.

A)Pathologic conditions
B)Artifacts
C)False-negative diagnoses
D)Unimportant specks

Answer 2

Pathologic conditions

Question 3

Image orientation can be difficult because of a lack of ______ the cassette.

A)Markers indicating the tube side of
B)Identification blocker on
C)Both A and B
D)Neither A nor B

Answer 3

Identification blocker on

Question 4

Frequent and consistent oversight of digital equipment is necessary to avoid ______.

A)Increased cost
B)Unnecessary patient exposure
C)Quality images
D)Quality control

Question 5

The safest procedure for erasing cassettes is to erase them ______.

A)After 24 hours
B)Just before use
C)Twice a day
D)Twice a week

Question 6

When cleaning imaging plates, which of the following should not be used?

A)Camel hair brush
B)Lint free cloth
C)Mild abrasive
D)Cleaning solution

Question 7

Positioning errors may be the cause of incorrect processing due to mistakes in ______.

A)Part to plate position
B)Collimation
C)Alignment
D)All of the above

Question 8

Which one of the following is used to cool the reader?

A)Air
B)Water
C)Oil
D)Laser

Question 9

A comprehensive set of activities designed to monitor and maintain a piece of equipment is known as ______.

A)Quality control
B)Quality assurance
C)Continuous quality improvement
D)Quality activities

Question 10

If cassette labels are worn or damaged, the connection of the imaging plate to the patient and exam will not be affected.

Question 11

The purpose of a personal repeat rate log is to ______.

A)Provide analysis of repeat cost
B)Prevent repeats
C)Establish error trends
D)Prove poor technologist performance

Question 12

Another name for quality management is ______.

A)Quality control
B)Quality assurance
C)Continuous quality improvement
D)None of these

Question 13

Imaging plates may be disposed of by ______.

A)Placing in a trash receptacle
B)Sending to the EPA
C)A licensed disposal company
D)Storing in barium sulfate

Question 14

Improper cleaning of the CRT can lead to ______.

A)Streaks
B)Smears
C)Illnesses
D)All of the above

Question 15

Which of the following is not a monthly QC procedure for CR systems?

A)Clean reader air intakes
B)Reject analysis
C)QC out-of-standard images
D)Clean imaging plates

Question 16

If the hinges of a cassette are broken, they can be fixed by the ______.

A)Technologist
B)Radiologist
C)Radiation physicist
D)Service personnel

Question 17

Unless manual input is required, it is difficult to identify the technologist when personal side markers are not used.

Question 18

Which of the following is not a weekly procedure?

A)Clean and inspect receptors
B)Image acquisition testing with phantoms
C)Reject analysis
D)Check reader intake valves

Question 19

General system inspection includes all of the following except ______.

A)Cleanliness of cassettes
B)Hinge and latch inspection
C)Erasure of imaging plates
D)Cleaning the CRT

Question 20

"The overall efficiency and effectiveness of imaging systems evaluated beyond the mechanics of producing radiographic images" is a definition of ______.

A)Quality control
B)Quality assurance
C)Continuous quality improvement
D)Quality activities

Question 21

Which of the following is a responsibility of the radiation physicist?

A)Analyze repeat rate
B)Testing image display
C)Spatial frequency response testing
D)Phosphor accuracy testing

Question 22

Major artifacts should be noted and reported ______.

A)Immediately
B)Daily
C)Weekly
D)Monthly

Question 23

Preventive maintenance is performed ______.

A)Daily
B)Weekly
C)Monthly
D)Semiannually

Question 24

Reproducibility of exposures should be what percentage within established exposure parameters?

A)±1%
B)±2%
C)±3%
D)±4%

Question 25

When testing the imaging plate for phosphor accuracy, exposure is made to the imaging plate, and it is inspected for response uniformity and ______.

A)Speed
B)Contrast
C)Density
D)Artifacts

Question 26

The first line of defense in preventing, recognizing, and reporting QC is the ______.

A)Technologist
B)Radiologist
C)Physicist
D)Service personnel

Question 27

Reestablishing baseline values is the responsibility of the ______.

A)Radiation physicist
B)Radiologist
C)Technologist
D)Service personnel

Question 28

To avoid interference from previous exposures, which of the following must be tested at least once a year?

A)Spatial frequency
B)Image display
C)Screen erasure
D)Image processing

Question 29

Testing the system display verifies proper ______.

A)Resolution patterns
B)Image processing parameters
C)Image erasure
D)Contrast and light bands

Question 30

Three general areas that define digital image quality include all but which one of the following?

A)Contrast
B)Resolution
C)Distance
D)Noise