QM review Flashcards
A motion picture camera is called:
a.) DVR
b.) spot film device
c.) spot film camera
d.) cinefluorography
d.) cinefluorography
Which governmental agency mandates a policy on medical equipment and operation?
a.) CDRH
b.) TJC
c.) FDA
d.) OSHA
c.) FDA
A physicist or engineer is responsible for performing which type of testing?
a.) performance
b.) noninvasive and complex
c.) invasive and complex testing
d.) noninvasive and simple
c.) invasive and complex testing
Beam quantity should be within +/- ___________%
a.) 5%
b.) 1%
c.) 10%
d.) 2%
c.) 10%
SID affects both spatial resolution and image distortion.
a.) true
b.) false
a.) true
Which organization sets the standards of healthcare accreditation?
a.) private insurance companies
b.) DNV
c.) TJC
d.) centers for medicare/medicaid services (CMS)
d.) centers for medicare/medicaid services (CMS)
An example of an internal customer would be:
a.) contrast vendor
b.) patients family member
c.) patient
d.) ER department
d.) ER department
An artifact caused by magnetic field is called:
a.) barrel distortion
b.) S distortion
c.) pincushion distortion
d.) vignetting
b.) S distortion
Which organization invented continuous quality improvement?
a.) DNV
b.) OSHA
c.) TJC
d.) FDA
c.) TJC
Components that may effect the final output are called:
a.) healthcare metrics
b.) key process variables
c.) risk management
d.) process components
b.) key process variables
A SMPTE patter is best used to evaluate:
1.) dry laser printers
2.) electronic display devices
3.) image intensifiers
4.) DICOM systems
a.) 2 only
b.) 1, 2 4
c.) 3 only
d.) 1 and 2
d.) 1 and 2
For a non DR system the most common type of image intensifier is the:
a.) tube type
b.) flat panel
a.) tube type
A decreased anode angle results in an increased anode heel effect.
a.) true
b.) false
a.) true
A high frequency generator can use current thats been altered to as much as __________HZ before being rectified.
a.) 60
b.) 120
c.) 100,000
d.) 60,000
c.) 100,000
A radiograph that has densities that are very different from each other
a.) has many shades of gray
b.) has long scale contrast
c.) has high contrast
d.) has low contrast
c.) has high contrast
Establishing a 20 minute maximum wait time for a procedure is considered:
a.) threshold of acceptablility
b.) peronal performance
c.) patient comfort
d.) patient satisfaction
a.) threshold of acceptability
Which of the following is an individual or entity that furnishes input or goods or services to a medical facility?
a.) patient
b.) internal customer
c.) customer
d.) supplier
d.) supplier
Quality assessment:
a.) focuses on the process, not the employee
b.) concerns only instruments and equipment
c.) makes no effort to improve the level of care, just maintain it
d.) concerns only human factors
c.) makes no effort to improve the level of care, just maintain it
What are the two ways that the output phosphor and the television camera can be linked?
1.) CCD
2.) orthicon
3.) lens coupling
4.) fiber optics
5.) closed circuit tv
a.) 3 and 4
b.) 1 and 2
c.) 2 and 5
d.) 1 and 5
a.) 3 and 4
Any variation between the stated kilovolt on the control panel and the measured kilovolt must be plus or minus ____________%
a.) 20
b.) 2
c.) 10
d.) 5
d.) 5
The SID indicator must be within _______% of the actual SID
a.) 1
b.) 5
c.) 10
d.) 2
d.) 2
_______________ is useful in myelograms when an image is necessary to be on the display monitor but the xray beam is off:
a.) last image hold
b.) filtering
c.) image restoration
d.) road mapping
a.) last image hold
in digital fluoroscopy, the ________ adjsuts radiation output for changes in part thickness.
a.) AEC
b.) HVL
c.) PBL
d.) AERC
d.) AERC
All of the following are true for reducing patient dose except:
a.) low mas
b.) use pulsed fluoro
c.) increase patient to image intensifier distance for c arm exams
d.) high kvp
c.) increase patient to image intensifier distance for c arm exams
voltage for a single phase generator?
a.) 100%
b.) 1-15%
c.) 13%
d.) 3-5%
a.) 100%
Calculate the causal repeat rate for positioning: 1200 total images were taken, 75 repeats, 30 repeats for positioning.
a.) .40%
b.) 6.25%
c.) 2.5%
d.) 40%
d.) 40%
Which of the following is not a tube type of television camera?
a.) CCD
b.) orthicon
c.) plumbicon
d.) vidocon
a.) CCD
Accreditation is: (choose all that apply)
a.) a method established to determine if an organization is meeting minimum standards
b.) voluntary
c.) enforced by the ARRT
d.) the minimum, not the maximum
a.) a method established to determine if an organization is meeting minimum standards
b.) voluntary
Which of the following levels of quality uses statistical data to measure an outcome?
a.) actual quality
b.) expected quality
c.) percieved quality
a.) actual quality
How many shades of gray can 16 bit depth system produce?
a.) 32
b.) 32,767
c.) 65,536
d.) 256
c.) 65,536
Which part of an image intensifier is made of cesium and antimony?
a.) photocathode
b.) input phosphor
c.) rotating anode
d.) output phosphor
a.) photocathode
An exposure is made in january at 70 kvp and 10 mas and produces a radiation output of 50mR. The same exposure factors are used again in july and the same output of 50 mr is expected. This is called:
a.) reciprocity
b.) reproducibililty
c.) accuracy
d.) linearity
b.) reproducibility
A large matrix will offer what type of spatial resolution?
a.) less
b.) matrices have no effect on spatial resolution
c.) greater
c.) greater
If there is inaccuracy of the timer, what could result?
a.) increased patient dose
b.) excessive contrast
c.) image distortion
d.) insufficient density
a.) increased patient dose
A heat sensor alarm should activate when ___________% of the heat capacity is achieved.
a.) 50
b.) 20
c.) 63
d.) 75
d.) 75
A 3 phase 12 pulse generator will produce how many pulses in one second?
a.) 1/1000
b.) 1/120
c.) 360
d.) 720
d.) 720
A tech is using a variable kvp technique chart for a certain table top exam. The chart calls for 80 kvp but the tech uses 83 kvp. The resulting image will likely demonstrate:
a.) quantam mottle artifact
b.) no visible errors
c.) saturation artifact
d.) loss of contrast
b.) no visible errors
What are the three levels of quality:
a.) perceived
b.) expected
c.) actual
d.) standard
b.) expected
c.) actual
d.) standard
The joint commission sets their standards based on:
a.) medicare/medicaid conditions that must be met for reimbursement
b.) private insurance conditiond that must be met for reimbursement
c.) florence nightingale standards
d.) conditions set by professional bodies (arrt, asrt)
a.) medicare/medicaid conditions that must be met for reimbursement
Foreshortening can be caused by:
a.) the radiographic object being placed at an angle to the IR
b.) excessive distance between the object and the IR
c.) insufficient distance between the focus and the IR
d.) adding a CR angle to the part
a.) the radiographic object being placed at an angle to the IR
Low kvp produces ___________ contrast images while high kvp produces _____________ contrast images.
High, Low
A high SNR will produce what type of spatial resolution?
a.) it depends on the type of noise involved
b.) SNR doesn’t effect spatial resolution
c.) low
d.) high
d.) high
Which of the following is not true of lossy compression:
a.) data is recoverable
b.) cannot be reversed
c.) data can be compressed to 5-50 times
d.) compromises image quality
a.) data is recoverable
A radiograph that has densities that are very different from each other
a.) has high contrast
b.) has long scale contrast
c.) has low contrast
d.) has many shades of gray
a.) has high contrast
Error correction tests should be performed by the:
a.) physicist
b.) service engineer
c.) technologist
d.) QC technologist
b.) service engineer
Besides the joint commission what other oraganization is approved to accredit health care facilities?
a.) DNV
b.) CMS
c.) ARRT
d.) JCAHO
a.) DNV
A semiannual or annual QC test would be:
1.) generator testing
2.) film processor maintenance if hard copies are printed
3.) clean CRT screen monitors
4.) evaluate exposure indicator accuracy
a.) 1 and 4
b.) 2 and 3
c.) 1 only
d.) 2, 3 and 4
a.) 1 and 4
An incident is:
a.) an occurence that is not consistent with routine care
b.) an accident that never should have occured
a.) an occurence that is not consistent with routine care
A __________ is suggested action level that is used to help facilities determine if acceptable image quality can be achieved at a lower dose.
a.) threshold of acceptability
b.) patient dose tracking
c.) diagnostic reference level
d.) acheivable dose
c.) diagnostic reference level
A _________ uses a computer chip instead of a photoconductive target.
a.) CCD
b.) plumbicon
c.) orthicon
d.) vidocon
a.) CCD
Amorphous silicon and cesium iodide is used in:
a.) direct DR Imaging
b.) CR Imaging
d.) indirect DR Imaging
d.) indirect DR imaging
A decrease in brightness at the lateral edges of the image is called:
a.) S distortion
b.) veiling glare
c.) barrel distortion
d.) vignetting
d.) vignetting
As collimation increase the quanitity of scatter radiation decreases.
a.) true
b.) false
a.) true
Which of the following levels of quality occur before a patient arrives at a facility?
a.) perceived quality
b.) expected quality
c.) actual quality
b.) expected quality
Digital fluoro equipment should be tested every _____________
a.) year
b.) month
c.) week
d.) 6 months
d.) 6 months
Organizations that are not accredited (choose all that apply)
a.) can only treat self paying patients
b.) will lose medicaid / medicare reimbursements
c.) cannot treat pediatric patients
d.) cannot get malpractice insurance
e.) lose their residency programs
b.) will lose medicaid/medicare reimbursements
d.) cannot get malpractive insurance
e.) lose their residency programs
Personel involved in a process, equipment used in a process, and the type/quality of materials used in a process are all examples of :
a.) key process variables
b.) healthcare metrics
c.) administrative components
d.) process components
a.) key process variables
Contamination of a nuclear medicine department is detected using a:
a.) proportional counter
b.) geiger-muller
c.) pocket dosimeter
d.) ion chamber
b.) geiger-muller
An activity that costs the facility money or their reputation is called:
a.) risk management
b.) loss potential
c.) claims prevention
d.) an incident
b.) loss potential
All of the following are acceptable ways to reduce radiation exposure except:
a.) use last image hold feature
b.) use intermittent (pulsed) fluoroscopy
c.) use AP instead of PA projections
d.) use a fast speed IR
c.) use AP instead of PA projections
Variations for mAs accuracy should be within _________%
a.) 10
b.) 2
c.) 1
d.) 5
a.) 10
A QC trained technician can perform which of the following tests:
a.) invasive, simple
b.) noninvasive, simple
c.) invasive, complex
d.) noninvasive, complex
d.) noninvasive, complex
