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Quality Management > Chapter 1 & 3 Test > Flashcards

Chapter 1 & 3 Test Flashcards

1
Q

Which of the following is known as high contrast resolution?

a.) matrix resolution
b.) none of the above
c.) spatial resolution
d.) contrast resolution

A

c.) spatial resolution

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2
Q

The window width setting in a digital imaging system is used to manipulate which of the following values?

a.) image brightness
b.) image contrast
c.) spatial resolution
d.) temporal resolution

A

b.) image contrast

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3
Q

Limiting scatter radiation does not improve image contrast.

a.) true
b.) false

A

b.) false

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4
Q

Which organization sets the standards of healthcare accreditation?

a.) private insurance companies
b.) TJC
c.) DNV
d.) centers for medicare/medicaid services (CMS)

A

d.) centers for medicare/medicaid services (CMS)

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5
Q

Besides the joint commission, what other organization is approved to accredit health care facilities?

a.) DNV
b.) CMS
c.) JCAHO
d.) ARRT

A

a.) DNV

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6
Q

Which of the following is known as low contrast resolution?

a.) spatial resolution
b.) none of the above
c.) matrix resolution
d.) contrast resolution

A

d.) contrast resolution

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7
Q

Which organization are responsible for accrediting hospital facilities by medicare services?
1.) tjc
2.) arrt
3.) acr
4.) dnv-gl

a.) a and b only
b.) a, b, c and d
c.) a and d only
d.) d only

A

c.) a and d only

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8
Q

A high SNR will produce what type of spatial resolution?

a.) SNR doesnt effect spatial resolution
b.) high
c.) low
d.) it depends on the type of noise involved

A

b.) high

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9
Q

Which of the following are considered suppliers in the radiology process? Choose all that apply.

a.) nurses and other hospital staff
b.) the community
c.) referring physicians
d.) equipment vendors

A

c.) referring physicians
d.) equipment vendors

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10
Q

Which of the following levels of quality uses statistical data to measure an outcome?

a.) perceived quality
b.) actual quality
c.) expected quality

A

b.) actual quality

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11
Q

The type of contrast that is caused by variations in the tissue density within the anatomic part to be imaged defines which of the following?

a.) inherent contrast
b.) image contrast
c.) subject contrast
d.) none of the answers are correct

A

c.) subject contrast

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12
Q

Factors that can impact spatial resolution include:
1.) patient factors
2.) focal spot size
3.) SID

a.) 1, 2 and 3
b.) 1 and 2 only
c.) 2 and 3 only
d.) 1 only

A

a.) 1, 2 and 3

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13
Q

Which levels of quality control testing can usually be performed by a quality assurance/quality management technologist:

Level 1
Level 2
Level 3

a.) 1 and 2
b.) 1 and 3
c.) 1, 2 and 3

A

a.) 1 and 2

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14
Q

Information or knowledge necessary to acheive desired outcomes

A

Input

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15
Q

Means or activity used to acheive desired outcomes

A

Action

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16
Q

The desired outcome, result, product, or characteristic that satisfies the customer

A

Outcome

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17
Q

Person, department or organization that needs or wants a desired outcome

A

Customer

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18
Q

Which of the following is part of a systems software that adjusts the image to the desired contrast?

a.) rescaling
b.) dynamic range
c.) detective quantam efficiency
d.) look up table

A

d.) look up table

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19
Q

Personnel involved in a process, equipment used in a process, and the type/quality of materials used in a process are all examples of:

a.) administrative components
b.) key process variables
c.) healthcare metrics
d.) process components

A

b.) key process variables

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20
Q

All of the following are acceptable ways to reduce radiation exposure EXCEPT:

a.) use AP instead of PA projections
b.) use intermittent (pulsed) fluoroscopy
c.) use a fast speed IR
d.) use last image hold feature

A

a.) use AP instead of PA projections

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21
Q

Which of the following is the primary controlling factor of quality?

a.) KVP
b.) mas

A

a.) KVP

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22
Q

An image demonstrating many brightness levels, shades of gray with only slight differences between the levels/shades is said to possess:
1.) long scale contrast
2.) low contrast
3.) short scale contrast

a.) 2 only
b.) 1 and 2 only
c.) 2 and 3 only
d.) 1 only

A

b.) 1 and 2 only

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23
Q

Which part of a key process is measurable?

a.) KOV
b.) KAV
c.) KIV
d.) KVP

A

a.) KOV

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24
Q

When a radiology department gets new xray equipment and performs testing to make sure everything is running smoothly and the equipment wasnt damaged in transit, this is called:

a.) acceptance testing
b.) performance testing
c.) QC testing
d.) error correction testing

A

a.) acceptance testing

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25
Q

An incident that costs a facility money or its reputation is:

A

Loss potential

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26
Q

Which of the following is an individual or entity that furnishes input or goods or services to a medical facility?

a.) internal customer
b.) patient
c.) customer
d.) supplier

A

d.) supplier

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27
Q

The nyquist frequency states that a signal must be sampled at least twice per cycle to avoid data loss.

a.) true
b.) false

A

a.) true

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28
Q

Which government agency mandates a policy on exposure to blood born pathogens?

a.) FDA
b.) OSHA
c.) NRC
d.) EPA

A

b.) OSHA

29
Q

Organizations that are not accredited: (choose all that apply)

a.) cannot treat pediatric patient
b.) can only treat self paying patients
c.) lose their residency programs
d.) cannot get malpractive insurance
e.) will lose medicaid/medicare reimbursments

A

c.) lose their residency programs
d.) cannot get malpractive insurance
e.) will lose medicaid/medicare

30
Q

Low kvp produces _____________ contrast images while high kvp produces ___________ contrast images.

a.) high, high
b.) low high
c.) low, low
d.) high, low

A

d.) high, low

31
Q

Variables can have a _________ impact on a process.

a.) negative
b.) positive

A

a.) negative

32
Q

Which term describes the range of exposures that an IR can accurately detect?

a.) look up table
b.) dynamic range
c.) rescaling
d.) DQE

A

b.) dynamic range

33
Q

All of the following are true for reducing patient dose EXCEPT:

a.) high kvp
b.) pulsed fluoro
c.) increase patient to image intensifier distance for c arm exams
d.) low mas

A

c.) Increase patient to image intensifier distance for c arm exams

34
Q

Quality assesment:

a.) concerns only instruments and equipment
b.) concerns only human factors
c.) makes no effort to improve the level of care, just maintain it
d.) focuses on the process, not the employee

A

c.) makes no effort to improve the level of care, just maintain it

35
Q

Which of the following terms best describes the ability of an imaging system to create seperate images of closely spaced high contrast objects?

a.) quantam resolution
b.) spatial resolution
c.) screen speed
d.) contrast resolution

A

b.) spatial resolution

36
Q

Which government agency mandates a policy on medical equipment and operation?

a.) TJC
b.) FDA
c.) CDRH
d.) OSHA

A

b.) FDA

37
Q

A large matrix will offer what type of spatial resolution:

a.) greater
b.) martixes have no effect on spatial resolution
c.) less

A

a.) greater

38
Q

___________ refers to the number of detectors, or DELS per millimeter in the image receptor.

a.) aperture size
b.) cones
c.) diaphragms
d.) array

A

a.) aperature size

39
Q

An example of an internal customer would be:

a.) contrast vendor
b.) patients family member
c.) ER department
d.) patient

A

c.) ER department

40
Q

Which of the following describes a sentinel event indicator?

a.) the wrong limb was mistakenly amputated
b.) a patient has a moderate reaction to contrast
c.) a patient falls off of an exam table
d.) during a routine procedure, a vessel is accidentally perforated

A

a.) the wrong limb was mistakenly amputated

41
Q

What is the unit of measurement for spatial resolution?

a.) lp/cm
b.) l/m
c.) lp/m
d.) lp/mm

A

d.) lp/mm

42
Q

The _____________ includes levels of accuracy, sensitivy, and specificity of diagnosis and should include items such as the number of xrays taken per exam and the amount of radiation per exam.

a.) threshold of acceptability
b.) adverse event
c.) diagnostic reference level
d.) sentinel event

A

a.) threshold of acceptability

43
Q

Which organization is responsible for enforcing federal radiation regulations?

a.) OSHA
b.) FDA
c.) NRC
d.) joint commission

A

c.) NRC

44
Q

An incident is:

a.) an occurence that is not consistent with routine care
b.) an accident that never should have occured

A

a.) an occurence that is not consistent with routine care

45
Q

What are the three levels of quality:

a.) actual
b.) perceived
c.) standard
d.) expected

A

a.) actual
b.) perceived
d.) expected

46
Q

Accreditation is:

a.) a method established to determine if an organization is meeting minimum standards
b.) the minimum, not the maximum
c.) enforced by the ARRT
d.) voluntary

A

a.) a method established to determine if an organization is meeting minimum standards
d.) voluntary

47
Q

Which of the following describes the type of contrast that is caused by variations in the tissue density within the anatomic part?

a.) subject contrast
b.) spatial resolution
c.) image contrast
d.) inherent contrast

A

a.) subject contrast

48
Q

Any radiographer can perform which of the following tests?

a.) noninvasive, simple
b.) invasive, simple
c.) noninvasive, complex
d.) invasive, complex

A

a.) noninvasive, simple

49
Q

A ______________ is a suggested action level that is used to help facilities determine if acceptable image quality can be acheived at a lower dose.

a.) patient dose tracking
b.) acheivable dose
c.) diagnostic reference level
d.) threshold of acceptability

A

c.) diagnostic reference level

50
Q

Process of officially recognizing a particular status or qualification defines:

a.) perceived quality
b.) risk management
c.) CQI
d.) accreditation

A

d.) accreditation

51
Q

An activity that costs the facility money or their reputation is called:

a.) loss potential
b.) risk managment
c.) claims prevention
d.) an incident

A

a.) loss potential

52
Q

Diagnostic imaging procedures contribute to what percentage of radiation in the United States?

A

90%

53
Q

All of the following are related to spatial resolution except:

a.) millamperage
b.) OID
c.) SID
d.) focal spot size

A

a.) Milliamperage

54
Q

Which of the following quality control tests are performed when a facility receives a new piece of equipment?

a.) routine performance evaluation
b.) assurance testing
c.) error correction tests
d.) acceptance testing

A

d.) acceptance testing

55
Q

The window level setting in a digital system is used to manipulate which of the following values?

a.) spatial resolution
b.) temporal resolution
c.) image brightness
d.) image contrast

A

c.) image brightness

56
Q

Joint commission accredits approximately how many agencies?

a.) 100,000
b.) 20,000
c.) 1 million
d.) 5,000

A

b.) 20000

57
Q

Which of the following levels of quality may be affected by how well a technician interacts with a patient during an exam?

a.) actual quality
b.) expected quality
c.) perceived quality

A

c.) perceived quality

58
Q

The joint commission sets their standards based on:

a.) conditions set by professional bodies (ARRT, ASRT)
b.) florence nightingale standards
c.) medicare/medicaid conditions that must be met for reimbursement
d.) private insurance conditions that must be met for reimbursement

A

c.) medicare/ medicaid conditions that must be met for reimburesement

59
Q

Which type of contrast is dependent on what the imaging system is capable of?

a.) contrast resolution
b.) image contrast
c.) subject contrast
d.) inherent contrast

A

d.) inherent contrast

60
Q

WHich of the following levels of quality occur before a patient arrives at a facility?

a.) perceived quality
b.) actual quality
c.) expected quality

A

c.) expected quality

61
Q

A physicist or engineer is responsible for performing which type of testing?

a.) invasive and complex testing
b.) performance
c.) noninvasive and simple
d.) noninvasive and complex

A

a.) Invasive and complex testing

62
Q

Which organization invented continuous quality improvement?

a.) DNV
b.) FDA
c.) OSHA
d.) TJC

A

d.) TJC

63
Q

Components that may effect the final output are called:

a.) healthcare metrics
b.) process components
c.) risk management
d.) key process variables

A

d.) key process variables

64
Q

Establishing a 20 minute maximum wairt time for a procedure is considered:

a.) patient satisfaction
b.) personnel performance
c.) patient comfort
d.) threshold of acceptability

A

d.) threshold of acceptability

65
Q

WHich of the following describes the ability of an imaging system to tell structures with similar thickness or density apart?

a.) screen speed
b.) quantam resolution
c.) contrast resolution
d.) spatial resolution

A

c.) contrast resolution

66
Q

If an imaging system operated with a DQE of 1, patient dose may potentially be:

a.) DQE doesnt affect patient care
b.) lower
c.) higher

A

b.) lower

67
Q

A radiograph that has describes that are very different from each other

a.) has many shades of gray
b.) has long scale contrast
c.) has high contrast
d.) has lwo contrast

A

c.) has high contrast

68
Q

A QC trained technician can perform which of the following test

a.) invasive, simple
b.) noninvasive, simple
c.) invasive complex
d.) noninvasive complex

A

d.) Noninvasive complex

69
Q

Which of the following software functions adjusts an iamge for under or over exposure ?

a.) look up table
b.) MTF
c.) DQE
d.) rescaling

A

d.) rescaling

Quality Management (14 decks)

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