Deck 13: Quality Acceptance Testing Within Digital Projection Imaging

Question 1

Which of the following is not a monthly QC procedure for digital projection imaging systems?

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

Answer 1

Clean reader air intakes.

Question 2

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

A) QC.
B) QA.
C) CQI.
D) quality activities.

Answer 2

CQI.

Question 3

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

A) QC.
B) QA.
C) CQI.
D) quality activities.

Answer 3

QC.

Question 4

Frequent and consistent oversight of digital equipment is necessary to avoid

A) increased cost.
B) unnecessary patient exposure.
C) quality images.
D) QC.

Question 5

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 6

Major artifacts should be noted and reported

A) immediately.
B) daily.
C) weekly.
D) monthly.

Question 7

Imaging plates may be disposed of by

A) placing in a trash receptacle.
B) sending to the Environmental Protection Agency (EPA).
C) a licensed disposal company.
D) storing in barium sulfate.

Question 8

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 9

Another name for quality management is

A) quality control (QC).
B) quality assurance (QA).
C) continuous quality improvement (CQI).
D) None of these

Question 10

Which of the following is not a weekly procedure?

A) Cleaning and inspecting receptors
B) Image acquisition testing with phantoms
C) Performing reject analysis
D) Checking reader intake valves

Question 11

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 12

Improper cleaning of the CRT can lead to

A) streaks.
B) smears.
C) illnesses.
D) All of the above

Question 13

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.

Question 14

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

Question 15

Image acquisition is tested through the use of

A) computers.
B) patients.
C) phantoms.
D) densitometers.

Question 16

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 17

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 18

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

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

Question 19

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 20

On a weekly basis,a designated QC technologist may perform all of the following tests except

A) image acquisition testing with phantoms.
B) cassette integrity with special standardized cassettes.
C) recording and reporting all problems immediately.
D) cleaning air intakes on the image plate reader.

Question 21

Reestablishing baseline values is the responsibility of the

A) radiation physicist.
B) radiologist.
C) technologist.
D) service personnel.

Question 22

The American Association of Physicists in Medicine has established the set of QC parameters for all digital imaging systems.

Question 23

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

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

Question 24

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

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

Question 25

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

A) technologist.
B) radiologist.
C) physicist.
D) service personnel.

Question 26

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

Question 27

Preventive maintenance is performed

A) daily.
B) weekly.
C) monthly.
D) semiannually.

Question 28

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

Question 29

Testing the system display is the responsibility of the

A) technologist.
B) service engineer.
C) radiation physicist.
D) radiologist.

Question 30

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