QA/QC Chp 25, 12, 13

Which of the following is not part of daily/weekly QC for dry laser imagers

Daily/monthly display monitor testing can be completed by

The number of light photons emitted within the image intensifier is ___ to the amount of X-ray photons exiting pt

Which of the following is a responsibility of radiation physicist

What is the millamperage used during fluoroscopy?

The ratio of X-rays incident on the input phosphor to light photons exiting the output phosphor is called ___ gain

Device used to measure the luminescence of areas on monitor is a

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

Improper cleaning of CRT can lead to

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

Major artifacts should be noted and reported

Errors in equipment performance are usually detected by poor

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

Electrons hit the ______ after exiting the anode

Purpose of QC monitor test pattern is to evaluate

Lossless and lossy are different types of

"A plan for the systematic observation and assessment of the different aspects of......" is the definition of

Image intensifier improved fluoroscopy by increasing image

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

Image intensifier fluoroscopy is performed at illumination levels similar to _____

frequent and consistent oversight of digital equipment is necessary to avoid

CQI tends to focus on ___ rather than ____

Transfer speed from modalities is checked monthly until

What is used to reduce size of image files to increase the speed of network transfer of images

Testing the system display is the responsibility of

How often should the luminescence of a monitor be checked

Unless manual input is required, it is difficult to ident the technologist when personal side makers are not used

Image acquisition is tested through the use of

Image transfer is monitored from modality to PACS and from the archive

Kinetic energy of photoelectrons in the image intensifier is greatly increased by the

Another way to distribute digital images around the hospital

Purpose of a personal repeat rate log is to

Which of the following is CQI activity

Visual acuity in the eye is greatest at the ____, where ____ are concentrated

Reestablishing baseline values is the responsibility of

3 major categories of QC testing that can be used at various times include

If cassette labels are worn or damaged, the connection of the imaging plate to the pt & exam will not be affected

Where can QC standards be found for monitoring a PACS system

X-rays that exit the patient and enter the image intensifier first interact with the ____

General system inspection includes all of the following except

What is most often the weakest link in digital imaging chain

Luminescence is measured at 5 positions over the monitor, and the readings should be within ___% of one another

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

Which of the following is not weekly procedures?

Which of the following is not QC activity that should be monitored in PACS environment

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

Which of following describes super user

The capability of an image intensifier to increase the illumination level of image is called

CRT monitor should have a luminance reading of greater than __ cd/m

____ in the image intensifier emits electrons when it is stimulated by light photons

Comprehensive set of activities designed to monitor and maintain a piece of equipment is

Preventive maintenance is performed

"The overall efficiency and effectiveness of imaging systems evaluated beyond mechanics of producing radiographic..."

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

With image intensification the light level is raised to _____ vision

The ultimate focus in health care is to improve ___ & provide ___ so that pt will want to return

quality aspects to be evaluated in radiology include ___ -centered characteristics

An image intensifier tube is identified by the diameter of its _____

Most QA activities produce ____ data

Testing performed before newly installed or majority repaired equipment can be accepted by the department is called _

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

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

Image orientation can be difficult because of a lack of ___ the cassette

Another name for quality management is

Light produced at output phosphor of the image intensifier has been increased ____ times in intensity

Annual testing and acceptance testing should be performed by a

Imaging plates may be disposed of by

The input phosphor converts ___ to ____

Whereas QA/QC programs focus on __ quality, CQI focuses on _ the process

Most health care institution are accredited by

Fluoroscopy was developed so that radiologists could view ____ images

The ____ in the retina are stimulated by ___ light; the ___ are stimulated by ____ light

Ability of the eye to detect differences in brightness levels is termed

"A comprehensive set of activities designed to monitor and maintain Systems that produce a product" is the definition of

To make a valid performance measure in any QC activity, documentation must be

TJC accreditation is necessary for hospital to

After you perform a test function for workstation processing speed, the next step is to measure and

The safest procedure for erasing cassettes is to erase them

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

Measure of whether all images completed at modality make it to PACS is testing

Testing that can catch problems before they may become radiographically apparent is called _____ testing

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

The output phosphor of the image intensifier is composed of

The ___ is the product of the magnification gain and flux gain