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RT: 34 > QA/QC > Flashcards

QA/QC Flashcards

1
Q

Coherent system that monitors both equipment and people

A

Quality Management ( QM)

  • Consists of QA & QC
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2
Q

__ deals with monitor, instrumentation and equipment maintenance

A

QC (Quality control)

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3
Q

RT’s can get certified through ___ to become a QM technologist

A

ARRT

= post primary certification

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4
Q

____ pertains to people and services

A

Quality Assurances (QA)

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5
Q

____ is the largest accrediting body for hospitals

A

TJC ( The joint commission)

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6
Q

Who created the 10 step QA program and what is its function

-List 4 steps

A

Created by TJC

  • purpose is to resolve identified pt. care problems
    1. Assign responsibility
    2. Describe scope of care
    3. Identify aspects of care
    4. Take action to improve care
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7
Q

What is the acrediting body for radiography program at chaffey?

A

JRCERT ( Joint Review Committee On Education in Radiologic Technology)

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8
Q

List some QA responsibilities

A
  • Scheduling
  • Reception
  • Preparation
  • Image interpretation
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9
Q

Who is ultimately responsible for creating standards?

A

-Radiologist -management

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10
Q

Who is expected to abide by standards?

A

Everybody

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11
Q

What QA steps are the most important to QA technologist?

A
  • Monitoring problems such as:
  • Establish criteria
  • Performing monitoring test
  • Collecting data
  • Analyzing Data
  • Evaluating data
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12
Q

The actions necessary to control and verify the performance of equipment

A

Quality Control

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13
Q

What is the prime responsibility of radiologic technologist in QM

A

Ensuring the quality of the radiographic image

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14
Q

When does effective QC begin?

A

Before equipment has been purchased to enure that the right machines are chosen to meet needs

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15
Q

What is the most involved step of QC

A

Monitoring equipment performance

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16
Q

QC is principally the responsibility of ____

A

Medical Physicist

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17
Q

Who is the accrediting body for imaging facilities?

A

ACR ( American College of Radiology)

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18
Q

Name the 3 major categories of Quality control

A
  1. Acceptance testing
  2. Routine performance monitoring
  3. Maintenance
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19
Q

Describe Acceptance testing

A
  • It is testing for new installed or repaired equipment
  • Tested by: designate tech, physicist
  • Sets acceptance limits
20
Q

Describe Routine performance Monitoring testing

A
  • Ensure performance as expected

- Tested by: Designated tech & physicist

21
Q

Describe Error Maintenance testing

A

-When errors occur in performance

Tested by: Vendor service personnel

22
Q

____ maintenance usually makes repair maintenance unnecessary

A

Preventative

23
Q

Name items that QC test are performed on “in screen film” radiography

A
  • Filtration
  • Collimation
  • Focal spot size
  • kVp calibration
  • Exposure time accuracy
  • Intensifying screens
  • Protective apparel
24
Q

Describe QC - Filtration

A
  • To ensure that radiographic unites have min. of 2.5 mm AL
  • Determined by testing HVL
  • Done by physicist
  • Checked Annually
  • Both digital & Film screen
25
Q

Describe QC-Collimation

A
  • Done to ensure that the x-ray field aligns with light field
  • Margin of error: within 2% of SID
  • Checked semiannually ( 2x’s / year)
  • Both Digital and film screen
  • Tested by QA personell
26
Q

Describe Quality Control - Focal Spot Size

  1. What is it
  2. Margin of error
  3. How many times is it checked
  4. 3 tools to measure are?
A

-measure of spatial resolution of x-ray tube

  • Margin of error” within 50%
  • Checked annually
3 tools used to measure:
1. Pinhole camera
2.Star Pattern
3.Slit camera
(most common)
27
Q

What is the margin of error for kVp and how often is it checked?

A

10% Bushong , 5% otherwise

-Checked annually

28
Q

Describe QC Exposure timer

A

-ensures that back up time does not exceed 6 s or 600 mAs

check annually
-margin of error: within 20% under 10 ms. or 5% over 10 ms

29
Q

Which towels are best for cleaning intensifying screens

A

Sterile towels or microfiber cloths because they are lent free

30
Q

Test pattern that is recommended by the ACR to evaluate integrity of digital monitor display

-What does it evaluate:

A

SMPTE ( Society of motion Picture and tv engineers)

-Contains luminace patches that range from 5%-95%
Evaluates:
1. resolution
2. Luminace

31
Q

Set of 18 test patterns to manage QC for digital display devices

A

AAPM TG 18

American Ass. of Physicist in Medicine Task Group 18 test patterns

32
Q

The best digital viewing is ___

A

straight on

33
Q

visual assessment of geometric distortion can be performed using ____

A

TG-18 QC and TG 18 LVP/LPH patterns

Acceptable distortion:
2% -primary class
5% secondary class
34
Q

Name 2 types of reflection ( Digital QC)

or Digital display reflection appears as:

A
  1. Specular

2. Diffuse

35
Q

____ light contributes significantly to image on screen

A

Ambient light

36
Q

__refers to the relationship between displayed luminance and input values of a standardize display system

A

Luminance response

37
Q

quantitative measurement of the ability of the display system to produce separable images of different points of an object with high fidelity

A

Spatial resolution

38
Q

any high-frequency fluctuations or patterns that interfere with detection of the true signal

A

Noise

39
Q

___ set up and implement ongoing QC and training programs

A

PACS administration

40
Q

what does CQI stand for and what is it

A

Continuous Quality Improvement

  • Focuses on continuously improving the totality of the system within which people function as a team
41
Q

Focuses on continuously improving the totality of the system within which people function as a team

A

CQI ( Continuous Quality Improvement)

42
Q

Focuses on maintaining a certain level of quality by setting forth standards and protocols to be followed and implemented

A

QA/QC

43
Q

Name tech responsibilites in digital QA/QC

A
  • Clean cassettes, IR. CR reader ,printer, mouse, keyboard
44
Q

What is the turn around time for

  • acute care facilities:
  • Out pt. facilities
A
  1. 24 hours

2. up to a week

45
Q

What is the most involved step of QC

A

Monitoring equipment performance

46
Q

Measures light intensity at several areas of the illuminator

A

Photometer

47
Q

Patterns that can be used by an RT to perform checks to ensure proper system performance

A

AAPM TG 18

(American Association of Physicist in Medicine Task Group 18 test pattern

RT: 34 (8 decks)

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