Study RAD QC & QA Flash Cards

 
Pile Management Card
RAD QC & QA

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An ongoing, periodic evaluation of radiographic equipment that is designed to verify the performance of the system's technical elements and ensure continued, reliable performances
radiographic quality control
what program is designed to ensure that the radiologist is provided with an optimal image resulting from good equipment performance
Quality Control
what is the sensitometry control limit for base plus fog
+0.03 optical density units
what are the ten steps to the 10 step process put into place to resolve identified patient care problems
1 responsibility
2 evaluation
3 purchase specifications
4 standards for quality
5 monitoring & maintenance
6 training
7 record keeping
8 quality control manual
9 review
10 communication
what is the sensitometry control limit for speed
.10 optical density units
what is the sensitometry control limit for contrast
.10 optical density units
what is the thickness of the absorber (typically aluminum) needed to reduce the xray intensity to one-half of its original value
half value layer (HVL)
2.5mm minimum
what is the goal/level of each department to maintain their overall repeat exam rate at
5% or less
where does the greatest value of a repeat analysis lie
in identifying continuing education needs for the imaging staff
what are some patient contributions to retake/repeat rates
motion
jewelry
foreign objects
what are the primary factors that can affect a facilities repeat rate
technologists competence
data collection
facility standards
equipment problems
patient contributions
what is a planned systematic procedure in which the radiology department calculates repeat rate figures and evaluates the causes behind repeat exams
retake/repeat analysis
what is the single most important component of the receptor system in controlling resolution, speed, and contrast
intensifying screens
what is the most accurate and practical method of obtaining the focal spot size
star pattern template
what determines the special resolution of the radiographic imaging system
focal spot size
the formulas used for determining reproducibility require that the output radiation intensity not vary more than what
+/- 5 %
what are the two devices used to test exposure reproducibility
penetrometer & densitometer
what is the output levels for adjacent mA stations according to the milliamperage QC
+/- 10 %
what is used to find the beam HVL directly
a Wisconsin KVP test cassette
what is the most important quality of the x ray beam
its ability to penetrate through a substance
how often is the Wisconsin beam alignment test performed
annually
what test is used to evaluate beam alignment
Wisconsin beam alignment test
what is the fedral regulations requirement for the beam light field alignment
+/- 2%
a device used to to quantativly measure the optical densities of developed sensitometric strip
densitometer
what is a light exposer device that is used to deliver a graduated series of controlled light intensities to a piece of radiographic film
sensitometer
what are the three types of system maintenance
schedule
preventative
non scheduled
what are examples of miscellaneous equipment
positioning aids
iv stand
foot stool
upright support device
what are the four components of a radiographic system
film processor
darkroom
radiographic equipment
fluroscopic equipment
what specific items should be included in the QC manual
list of equipment to be used for testing
policy and procedures for QC tests
sample forms
list of tests to be performed
test limits, service records, and test frequency
what is the most important benefit of the QA program
improved personnel morale
what are the issues addressed by the consumer-patient radiation health and safety act of 1981
mass screenings
repeat exposures
QA techniques
accreditation
radiation exposure
which act established further guidelines for reducing unnecessary patient exposure
the consumer-patient radiation health and safety act of 1981
what was the year of the consumer-patient radiation health and safety act
1981
what year was the QA program formally published
1979
what year did the CDRH set the xray equipment standards
1974
what year is the radiation control for health and safety act passed
1968
who is contracted or permanently hired to service equipment
service engineer
who is considered the work force of the department
staff technologists
who are the senior people with many years of experience and held responsible by the chief technologist
supervisors
who is the overseer of the xray department
chief technologist
who is the only person that can legally make a diagnoses of a radiograph
radiologist
who is responsible for annual equipment performance testing, dosimetery reporting and radiation protection surveys
radiation safety officer
who maintains oversight of the QA/QC program and assumes responsibility for the day to day operation of the program
QA coordinator
who performs acceptance testing on new equipment
medical physicist
who is overall responsible for the QA program
medical physicist
the quality control manual should be reviewed how often
annually
what is the strength of the QA/QC program
support of the entire staff
under monitoring and maintenance what components is every facility required to monitor
film processors
performance of radiographic and flourographic units
cassettes and grids
illuminators
darkroom
training
record keeping
QC manual
review
communication
which agency seeks to formulate and widely disseminate information, guidance, and recommendations on radiation protection and measurements which represent the consensus of leading scientific thinking
national council on radiation protection and measurement (NCRP)
what is used to evaluate repeat exam rates
reject analysis
what is the element needed to maintain QA & QC programs which is used to determine the scope and design of the program
evaluation
who does the primary responsibilities of Quality Control fall on
Rad Health Officer
who has the responsibility for ensuring an effective QA/QC program is in place
the radiology team
what is a team effort involving technologists, management, secretarial personnel, radiologists, medical physicists, and equiptment manufacturer representatives
QA & QC
what are the three steps for an acceptable QC Program
acceptance testing
routine performance monitoring
maintenance
QC begins with what
proper equiptment selection
the purpose of what program is to detect changes that could result in a clinically significant degradation in image quality or significant increase in radiation exposure
Quality Control
what was promoted by the Joint Commission on Accreditation of Healthcare Orginizations (JCAHO) and is used to resolve identified patient care problems
10 step process
what program enables the imaging department or facility to recognize when parameters are out of limits
QA program
what are the areas that the QA program covers
entire xray system
patient scheduling process
quality control testing
documentation
staffing
what is the overall management plan that encompasses all planned and systemic actions necessary to provide adequate confidence that a facility, system, or administrative component will perform safely and satisfactorily in service to a patient
Radiographic Quality Assurance
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