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Rad QA Test 1
| Question | Answer |
|---|---|
| Who is responsible for QA? | Radiologist |
| Who is responsble for QC? | phycisist |
| Quality assurance deals with ____ | people |
| image interpretation that involves reconciling the patient's ultimate disease condition with the radiologist's diagnosis | outcome analysisi |
| 10 Step Quality Assurance Program1. Assign _______2. Delineate _____ of care3. Identify _____ of care4. Identify _______ that affect the aspects of care.5. Establish _____ of the scope of ______.6. Collect and organize ____. | 1. responsiblity2. scope3. aspects4. outcomes5. limits, assessment6. data |
| 7. Evaluate care when ______ are reached.8. Take action to _____ care.9. Assess and document ____.10. Communicate information to organization-wide ____ ___ ____ | 7. outcomes8. improve9. actions10. quality assurance programs |
| All of these QA activites require attention from the ___ ___, but they are principally the responsibility of the _____. | imaging team, radiologist |
| A program of QC is designed to ensure that the radiologist is provided with an optimal _____ produced through good _____ performance and resulting in minimal patient radiation _____. | image, equipment, exposure |
| QControl begins the xray ___ ___ used to produce the image and continues evaluation of the image processing _____. QC concludes with a dedicated analysis of each image to identify _____ and _____ (along with their cause) and to minimize _______. | imaging systems, facitlities.deficiencies and artifacts, reexamination |
| Each new peice of radiologic equipment should be ____ tested before it is applied clinically. | acceptance |
| Each acceptance test must be done by someone other than the ___ ____ because it is designed to show that the equipment is performing within the _______ _______ and is producing and acceptable patient radiation ___. | manufacturer;s respresentative.manufacturer's specifications, dose |
| On most systems, _____ monitoring is satisfactory, uless a major compoenent such as an ___ ___ has been replaced | annual, xray tube |
| An acceptable QC programs consists of 3 steps:_____ testingroutine ______ monitoring______ | acceptance performance maintenance |
| The most important protection characteristic of a radiographic imaging system is ______ of the xray beam. State statutes require that general purpose radiographic units have a minimum total filtration of _________. | filtration.2.5 mm Al |
| The xray field must conincide with the ____ ____ of the variable-aperture light-localizing collimator | light field |
| Misalignment must not exceed ____ of the source-to-image receptor distance. (SID) | 2% |
| With PBL collimator, the xray beam must not be large that the ___ ___, except in the ____ mode. | image receptor,override |
| The spatial resolution of a imaging system is determined principally by the __ __ __ of the xray tube. when new equipment is installed it must be measured. | focal spot size |
| 3 tools for measurement of a focal spot size:1. ___ camera2. the ___ pattern3. ___ camera | 1. pinhole cameral2. the star pattern3. slit camera |
| The standard for measurement of the effective focal spot size is the ___ camera. | slit |
| The kVp should be evaluated annually or whenever __ ___ ___ components have changed significantly | high voltage generator |
| A variation in kVp of approximately ___ is necessary to affect image optical density and radiographic contrast. | 4% |
| The measured kVp should be within ___of the indicated kVp. | 10% |
| Exposure timer accuracy whould be within ___ of the indicated time for exposure times greater than ___. | 5%, 10ms |
| Accuracy of __ is acceptable for exposure times of 10ms or less | 20% |
| AEC systems are evaluated by exposing an image recptor through various thicknesses of ____ or ____ | aluminum or acrylic |
| regardless of the material thickness and the abosolute exposure time, the ___ ____ of the processed image should be constant. | optical density |
| insertion of a ___ ___ allows one to adequately assess the functining of the ____ ____. If the phototimer fails, the backup timer should terminate the exposure at __ or ___, whichever occurs first. | 6s or 600mAs |
| Many ____ of mA and exposure time produce the same mAs value. | combinations |
| the ability of a radiographic unit to produce a constant radiation output for vaious combinations of mA and exposure time | exposure linearity |
| exposure linearity must be within __ for adjacent mA stations | 10% |
| sequential radiation exposures should be repoducible to within __. | +5% |
| Screen film contact should be evaluated once or twice a year. Done by the __ __ tool | wire mesh |
| viewbox illumination is checked with a ____, which meausre light ntensity at several areas of the illuminator. Instensity should be at least ______ and should not vary by more than ___ over. | 1500 cd/m2, +10% |
| The entrance skin exposure for an adult averages __________ . For interventional procedures, a dose is ______. | 3 of 5 R/min, 100 rad |
| federal law requires that ESE rates do not exeed ___. Interventiional up to _____. Unlimited for recorded fluoroscopy. | 10 R/min20 R/min |
| Measurements are made with a ____. Lucite aliminum, copper and lead filters are used todetermine the adequacy of any ____ system. | ABS |
| An ESE of appox ____ may be assumed for a cassette spot film. | 200 mR |
| Spot films uses _____ images. They are recorded from the ___ ____ of an image intensifier tube. An ESE of ___ may be assumed for a photofluorospot | photofluorospotoutput phosphur100 mR |
| Patient exposure should be measured for the most ___ type of tomographic examination. | frequent |
| With incrementing from one tomographic section to the next, the section level should be accurate to within ___. Constancy of ___ from one QC evaluation to the next should be achieved. | +2mm+1mm |
| refers to the routine and special procedures developed to ensure that the final product is of consistently high quality. | QC |
| double capacity processors can handle up to ____ films per hour | 500 |
| A _______ strip should be passed through the processor, and fog, speed, and contrast should be measured and recorded properly. | sensitometric |
| For any radiographic technique, the output radiation ___ should be contant from one exposure to another. This is check by making repeated radiation expostures through through the same technique and observing the average ____ in radiation intensity. The | intensityvariation |
| The variation in xray intensity should not exceed __ | 5% |
| a process that monitors and evaluates the quality of the care and services provided to patients within a health care facility. | quality management |
| terms used to encompass all activites related to quality management, including:utililization and risk management, infection control, surgical case review, medicatin usage eval, healt record review, blood usage review, pharmacy and therapeutic rev, casem | quality assurance and qualaity assessment |
| JCAHO's 10 step process was created to help organizations make the transition from quality assurance to ___ ___ ___ | continuous quality improvement |
| Have our activities acheived desired outcomes? | efficacy |
| is the activity relavant to our clinical needs? | appropriatenes |
| is intervention available and accessible | availability |
| do care and resources acheive the desired outcome | effictiveness |
| how are activites or interventions coordinated among providers and over time? | continuity |
| what is the degree to which associated risks are minimized | safety |
| how do we maximize the relationsip btween outcomes and resources? | efficiency |
| what is the degree of patient involvement in care decisions and the degree of sensitivity shown for individual needs | respect and caring |
| the data for quality management should be reported to the ___ __ and the hospitals __ _ ___. | medical staff, board of trustees |
| JCAHO uses evaluation or clinical outcomes as part of the ____ process | accreditation |
Created by:
pspillman17