Term
Quality Control techhniques are concerned directly with:
a) equipment testing and maintenance
b) management concepts
c) film quality
d) organizational features of the department |
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Definition
| a) equipment testing and maintenance |
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Term
Which of the following is concerned with the administration aspects of a QA Program?
a)Quality Control techniques
b) quality Assurance
c) Tolerance limits
d)the FDA |
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Definition
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Term
The concept which indicates that everyone in a organization is responsible for the quality of the product is:
a) QC
b) QA
c) TQM
d) CQI |
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Definition
| c) TQM- Total Quality Management ... Deming coined the term... |
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Term
| What does CQI stand for and what does it mean? |
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Definition
| Continuous Quality Improvement.. is the notion that QA/QC should be ongoing. |
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Term
What is the ultimate goal of a Quality Assurance program?
a) the ensure safety
b) to ensure accurate and timely diagnosis and treatment at a minimum dose to patient
c) to ensure images are without flaws
d) To ensure staff do not surf the net while on shift |
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Definition
| b) to ensure accurate and timely diagnosis and treatment at a minimum dose to patient |
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Term
| Name three radiographic variables affecting image quality. |
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Definition
| Resolution, noise, and speed. |
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Term
In general the responsibility for quality control rests upon:
a) all technologists
b) the medical physicist
c) the biomedical engineering technologist
d) all of the above |
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Definition
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Term
Components of a radiographic imaging department which require QC monitoring are:
a) cassettes and grids
b) processors and view boxes
c) the x-ray unit itself
d) all of the above |
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Definition
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Term
The acceptance critiria or tolerance limit in a QC program are based on:
a) objective data
b) subjective data
c) the results of research studies
d) all are correct |
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Definition
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Term
The benefits of a QA program include all of the following except:
a) cost control to patient and hospital
b) dose savings to patient and personnel
c)maintenance and improvement of image quality standards
d) ensure that technologists are doing the best possible radiography |
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Definition
| d) ensure that technologists are doing the best possible radiography |
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Term
Warm-up procedure must be repeated:
a) after three hours.
b) if the equipment is left idle for an extended period of time.
c)first thing in the morning only. |
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Definition
| b) if the equipment is left idle for an extended period of time. |
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Term
Poor screen contact will create images with:
a) poor contrast
b) increased image unsharpness
c) out 4 sides of collimation
d) small white dots |
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Definition
| b) increased image unsharpness |
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Term
Poor film-screen contact can be due to :
a) air trapped between the screen and film
b) foreign material on the screen
c) damaged cassettes and latches
d) all of the above |
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Definition
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Term
| Who is responsible for daily inspection and erasure of cassettes? |
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Definition
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Term
| Who is responsible for quality control tests involving radiation measurements and non-invasive adjustments? |
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Definition
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Term
PACS is a computer system that: (pick all that apply)
a) captures medical images from imaging modalities.
b) Stores medical images.
c) displays medical images.
d) Communicates medical images. |
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Definition
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Term
Which of the following represents the point of entry of images to a PACS?
a) Interface
b) PACS Controller
c) Imaging Modality
d) Hospital information system |
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Definition
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Term
Image data sets are described in terms of:
(choose all that apply)
a) Matrix size
b) spatial resolution.
c) bit depth
d) number of slices. |
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Definition
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Term
The transfer and sharing of information among several computers is a function carried out by:
a) storage devices.
b) display work stations.
c) servers and routers.
d) LANS and WANS |
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Definition
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Term
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Definition
| Local Area network- refers to computers that are connected by a short distance such as in a radiographic department, within a building or a building beside. |
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Term
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Definition
| Wide Area Network- connects computers that are separated by a large distance - another province city or neighbourhood .. the internet is a example of a WAN. |
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Term
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Definition
| Radiology Information System- |
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Term
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Definition
| PACS refers to a computer system, that is used to capture, store, distribute, and then display medical images. For diagnostic imaging applications, PACS technology can be utilized to achieve near filmless operation. |
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Term
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Definition
| Hospital information system -used to collect, store, process, retrieve and communicate patient care and administrative information for all hospital- affiliated activities and to satisfy the functional requirements of all authorized users. |
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Term
| What are some functions performed by RIS? |
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Definition
| patient registration. film archiving, exam scheduling, patient tracking, report generation, administration and billing documentation, inventory control, department statistics, communication standards |
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Term
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Definition
| DICOM is a data standard that deals with the exchange of images in the radiology department. |
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Term
The rate at which data is transferred over a computer network is referred to as the:
a)bandwidth.
b) node.
c) bus rate.
d) transmission control protocol. |
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Definition
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Term
Which of the following is a communication protocol used in a PACS environment?
a) TCP/IP
b)DICOM
c) HL-7
d) all are correct |
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Definition
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Term
Two characteristics of a digital image that place great demands on storage requirements and transmission speed are:
a) matrix size and bit depth.
b) matrix size and the shape of the pixel.
c) length and width of the pixels.
d) rows and columns of the matrix. |
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Definition
| a) matrix size and bit depth. |
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Term
what is Raid?
1) A system of magnetic or optical disks that can act as a large disk drive.
2) An automated library system or "jukebox"
3)Redundant Array of Inexpensive disks
4)Redundant Array of Independant Disks
a)3 only
b)4 only
c)1,2,and 3
d)1,2,and 4 |
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Definition
| d)Redundant Array of Independant Disks -A system of magnetic or optical disks that can act as a large disk drive and an automated library system or "jukebox" |
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Term
Which type of PACS display workstation must be used for primary diagnosis?
a) high-resolution workstation
b) medium-resolution workstation.
c) desk top workstation.
d) hardcopy workstation for image printing |
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Definition
| a) high-resolution workstation |
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Term
The following are considered information systems except:
a) PACS
b) image acquisition
c) RIS/HIS
d) voice-recoqnition system |
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Definition
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Term
Which of the following information systems support the medical and administrative activities of the imaging department in a hospital?
a) PACS
b) HIS
c) RIS
d) image acquisition modalities |
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Definition
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Term
Integrating the Healthcare Enterprise (IHE) deals with efforts to: (choose as many as apply)
a) foster communications between information systems and PACS vendors to integrate the use of standards such as DICOM and HI-7.
b) enhance access to clinical patient information and to facilitate integrity of this information.
c) eliminate data redundancy between information systems and PACS.
d) increase the pace of healthcare enterprise integration. |
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Definition
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Term
which type of storage devise has limited storage capacity?
a) magnetic disks
b) magnetic tapes
c) optical disks
d) RAM |
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Definition
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Term
Why is a film-contact test important?
a) To ensure correct diagnosis
b) To save hospital money
c) For hospital accreditation
d) To provide additional work for the QC technologist |
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Definition
| a) to ensure correct diagnosis |
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Term
Which of the following is used to check film-screen contact?
a) Densitometer
b) Sensitometer
c) A fine wire mesh screen
d) 8 pennies |
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Definition
| c) A fine wire mesh screen |
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Term
Poor film-screen contact will create:
a) poor contrast resolution
b) increased image unsharpness
c) noise
d) too much subject contrast |
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Definition
| b) increased image unsharpness |
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Term
The acceptance criteria for film-screen contact test is all of the following except:
a)the film must be viewed from about a 3 inch distance
b) small areas of poor contrast along the edges may have to be accepted
c) large central ares of poor contact indicate the need for corrective action
d) small ares of poor contact in the upper-right hand corner of the film may have to be accepted |
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Definition
| a) the film must be viewed from about a 3 inch distance |
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Term
The primary purpose of the collimatation is to:
a) improve image quality
b) protect the patient from radiation
c) to protect the technologist
d) to increase the mean energy of the beam |
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Definition
| b) protect the patient from radiation |
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Term
The acceptance criteria for the collimator test include all of the following except:
a) +/- 2% of the SID
b) +/- 2 cm (1 penny)for an 100 cm SID
c) proper alignment is evident when 1/2 a penny is included in or excluded from the collimated field
d) proper alignment is evident when 2 pennies are included in or excluded from the X-ray beam |
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Definition
| d) proper alignment is evident when 2 pennies are included in or excluded from the X-ray beam |
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Term
In the Uniformity QC test on a CR imaging plate, what is the criteria for acceptance
a) no residual image
b) uniform image w/o artifacts
c) clear evidence of the anode effect
d) Uniforn expose w/o artifacts, but may visualize anode heel effect |
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Definition
| d) Uniforn expose w/o artifacts, but may visualize anode heel effect |
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Term
What is being tested in the Dark Noise QC test for CR systems?
a) The noise at various beam intensities
b) the noise present in the system
c) the noise from scatter from a phantom
d) photon noise |
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Definition
| b) the noise present in the system |
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Term
The spatial accuracy test for CR systems is done with what tool?
a) stepwedge
b) sensitometer
c) wire mesh-screen
d) lead apron |
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Definition
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Term
What is the qualitative criteria for acceptance when doing a Erasure Thoroughness test for CR?
a) Absence of aliasing after exposure is erased
b) Absence Grid pattern distortion
c) Absence of ghost image of stepwedge from the first exposure in the re-exposed image.
d) absence of a ghost image of the most recent exam on CR plate after it has been processed and re-exposed |
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Definition
| c) Absence of ghost image of stepwedge from the first exposure in the re-exposed image. |
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Term
| Should the use of cassettes be rotated? |
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Definition
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Term
How often should all cassettes be put through erasure?
a) weekly
b) daily
c) 48 hrs to 1 week
d) when ever a plate is suspected of being exposed to scatter or direct radiation
e) a) and d)
f)c) and d) |
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Definition
f)c) and d)
c) 48 hrs to 1 week
d) when ever a plate is suspected of being exposed to scatter or direct radiation |
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Term
Cassettes should be stored on edge and away from direct sunlight or direct or indirect radiation
TRUE/FALSE |
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Definition
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Term
Cassettes should be cleaned with distilled water only.
TRUE /FALSE |
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Definition
FALSE
ONLY Approved IP cleaner |
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Term
What is the purpose of a Repeat-Reject film analysis?
a) Decrease patient exposures
b) Improve department efficiency
c) Reduce costs of films
d) Check the efficiency of the technologists
1) a only
B) a and b
C) a,b and c
D) a,b,c and d |
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Definition
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Term
Which of the following refers to a film that has been labeled "useless" and to be discarded?
a) repeat film
b) Reject film
c) Bad film
d) Terrible film
1) a only
2) a and b
3) a,b and c
4) all are correct |
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Definition
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Term
A Retake film refers to:
a) repeat film
b) Reject film
c) Bad film
d) Terrible film |
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Definition
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Term
When conducting a Repeat Film Analysis, films are categorized according to several reasons for repeating. Which of the following are used to categorize repeat films? (pick all that apply)
a) Artifacts
b)Overexposure and underexposure
c) Blurring due to motion of the patient
d) Poor positioning
e) all of the above |
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Definition
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Term
What is the tolerance limit for the overall reject rate?
a) 20%
b) <10%
c) 10%
d) <20% |
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Definition
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Term
Lead drapes affixed to the image intensifier, should have ______ mm lead equivalence at 100 kV and must be placed between the _______ and _________in the room.
a) .5, tube, the patient
b) 0.25, patient, any personnel
c) 0.50, tube, any personnel
d) 0.50, the patient, any personnel |
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Definition
| b) 0.25, patient, any personnel |
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Term
In an under table radioscopic system, the shielding covering the cassette holder entrance should provide equivalent protection of at least ______ mm of lead at 100 kV.
a) 0.25
b) 0.35
c) 0.50 |
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Definition
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Term
| What is used to measure MAKR? |
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Definition
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Term
What is MAKR?
a) Maximun Air Kilovolts Readings
b) Maximum Air Kerma Rate
c) Maximum Air Kerma Rate, and is the new acronym to replace MER
d) Maximum Entrance Rate in french |
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Definition
| c) Maximum Air Kerma Rate, and is the new acronym to replace MER |
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Term
| Name three elements upon which Radiology personnel practices would have an effect on a QA program. |
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Definition
Information Quality
Clinical efficiency
Patient dose |
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Term
benifits of a QA program:
a) reduction in chemicals used (film)
b) reduction of wear and tear on equipment.
c) better patient flow
d) Less misdiagnosis
e) better patient care/ reduced long term medical care.
f) all the above |
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Definition
f) all the above
Note SC-35 names only a,b and c |
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