Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

QUALITY ASSURANCE AND QUALITY CONTROL > QAQC (PRELIM L1 - L3) > Flashcards

QAQC (PRELIM L1 - L3) Flashcards

1
Q

Possible cause of low density and high contrast that appears on film is due to ________ ?

A. Decreased Immersion Time
B. Low Developer Temperature
C. Under Replenishment
D. AOTA

A

D. AOTA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Overall decrease in density is due to _______

A. Wrong Control Film
B. Unseasoned Developer
C. Under replenishment
D. NOTA

A

A. Wrong Control Film

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Possible cause of overall increase in density are the following except:

A. Fogged Film
B. Wrong Control Film
C. Contaminated Developer
D. AOTA

A

D. AOTA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Contaminated developer and unseasoned developer appears overall increased density to the film. Indicator deviation should be ?

A. Increase Base + Fog
B. Decrease Base + Fog
C. Decrease mid density
D. Increase Density Difference

A

A. Increase Base + Fog

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Wrong control film and low developer temperature appears overall decrease in density, indicator deviation should be ?

A. Decreased Mid Density
B. Increased Density Difference
C. Decrease Base + Fog
D. Increase Base + Fog

A

C. Decreased Base + Fog

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Decreased density difference appears low contrast with high density in lighter areas. Possible causes includes the following except ?

A. Increased Immersion Time
B. Contaminated Fixer
C. Contaminated Developer
D. Over replenishment

A

B. Contaminated Fixer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Decrease in immersion time, low developer temperature, and improperly mixed developer appears high contrast in the film this indicates deviation with _____ ?

A. Increased Density
B. Decreased Density
C. Increased Density Difference
D. NOTA

A

C. Increased Density Difference

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The processor QC Chart should be maintained for _____ ?

A. 5 Years
B. 3 Years
C. 1 Year
D. 10 Years

A

C. 1 Year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Records of corrective action must be kept for how many years ?

A. 4 Years
B. 2 Years
C. 3 Years
D. 5 Years

A

B. 2 Years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Sensitometric strip should be maintained for ______ ?

A. 4 Weeks
B. 5 Weeks
C. 6 Weeks
D. 1 Year

A

C. 6 Weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The densitometer must be zeroed before each use. This is actually done by holding down the optical sensory arm and pressing the _______ button until 0.00 is displayed

A. ON Button
B. HOLD Button
C. NULL Button
D. START Button

A

C. NULL Button

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

MD and DD values that exceed ± ________ should be investigated immediately before the limit of 0.15 OD is exceeded.

A. 0.10
B. 0.1
C. 0.15
D. 0.05

A

A. 0.10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Tanks should be covered when not in use to prevent evaporation and ______ of solutions

A. Contamination
B. Oxidation
C. Contagion
D. Pollution

A

B. Oxidation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

For single-sided emulsion film, the emulsion side of the film must be placed ______ in the sensitometer

A. Down
B. Up
C. In
D. Out

A

A. Down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Running a sheet of clear film through the processor will help clear the _____ of debris

A. Gears
B. Chemical
C. Roller
D. Film

A

C. Roller

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The regulations require that processor quality control be performed each workday when radiographs are to be processed, before processing any patient films, the following are the equipment required except ?

A. Sensitometer
B. Densitometer
C. Fresh Box of Control Film
D. Glass thermometer accurate of at least 0.5 F

A

D. Glass thermometer accurate of at least 0.5 F

(Rationale: DIGITAL Thermometer accurate of at least 0.5 F)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

For automatic film processors, the temperature must be within the film manufacturer’s specifications (usually ± ____ degrees F).

A. 0.5
B. 1.5
C. 2.5
D. 3.5

A

A. 0.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Changing the chemistry, as part of routine preventative processor maintenance, is not justification for re-establishing processor operating _____ ?

A. Limits
B. Levels
C. Time
D. AOTA

A

B. Levels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Re-establishing processor control limits are the following, except ?

A. A change in film brand or speed

B. A change in film brand or type of chemistry

C. A change in replenishment rate

D. A change of processor

A

D. A change of processor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The Mid-density (MD) step is the step where the average density is closest to but not less than _______ ?

A. 1.10
B. 1.20
C. 2.20
D. 0.45

A

B. 1.20

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The High Density (HD) step is the step where the average density is closest to _____ ?

A. 1.10
B. 1.20
C. 2.20
D. 0.45

A

C. 2.20

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The Low Density (LD) step is the step where the density is closet to but not less than _____ ?

A. 1.10
B. 1.20
C. 2.20
D. 0.45

A

D. 0.45

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

To determine the average density for each step by adding the five readings for that step and dividing by ______ ?

A. 2
B. 5
C. 3
D. 7

A

B. 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

With the densitometer, we must read the density of each of the 21 steps for all five sensitometric control strips. If the densitometer has several aperture sizes, we must use the _____ mm aperture

A. 5 mm
B. 4 mm
C. 2 mm
D. 6 mm

A

C. 2 mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Prior to establishing processor operating levels and control limits, the processor must be cleaned and filled with fresh ______

A. Water
B. Developer
C. Chemistry
D. Solution

A

C. Chemistry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Using the densitometer, determine the Base + Fog for all five sensitometric control strips. Base + Fog readings can be taken over any ______ areas of the film

A. Unexposed
B. Exposed
C. Blank
D. Uneven

A

A. Unexposed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

TRUE OR FALSE

Polaroid Instant Film System operates with a darkroom, with the standard processor and with separate processing

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

TRUE OR FALSE

New Jersey Administrative Code 7:28-22.5 requires Processor QC of all processors. For Daylight systems, Rapido systems, or other “non-standard” processing systems, it will be necessary to feed the sensitometric film through the MANUAL method

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

TRUE OR FALSE

You can widen the control limits since the data indicates that the processor is out of control and corrective action is essential. These limits are set by NJ State regulation.

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

When establishing a processor quality control program. It is necessary to determine the operating levels and control limits. The control limits are the extreme ranges of _____ operation.

A. Exceeded
B. Acceptable
C. Unacceptable
D. Maximum Limit

A

B. Acceptable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

If the result is still out of limits, corrective action may include changing the ______ except ?

A. Temperature
B. Developer
C. Chemistry
D. Processor

A

D. Processor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The cause of trends should be _______ before the control limits are reached or exceeded

A. Repeated
B. Monitored
C. Investigated
D. Determined

A

C. Investigated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

TRUE OR FALSE

Notes regarding changes in operating conditions (such as a change in the developer temperature or replenishment rate) should be recorded on the control chart

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

It is recommended that all facilities dedicate a ______ of film for QC testing. However, facilities with very small volume may use film from the clinical batch for QC testing also

A. Box
B. 8x10
C. 10x12
D. 5 Sheets

A

A. Box

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

It is inappropriate, and _____, to process clinical films and then determine, hours or days later, that the film processor was not operating optimally.

A. Wrong
B. Unprofessional
C. Improper
D. Illegal

A

D. Illegal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Sensitometric strips that are pre-exposed (_______in advance) will suffer from latent image effect and will not be as sensitive as freshly exposed strips to changes in the processor function

A. Months
B. Years
C. Hours or Days
D. Weeks

A

C. Hours or Days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

The control film need not be the same size as the clinical film. In other words, the QC film can be _______ even if all clinical images are produced on 14 x 17 film

A. 8x10
B. 10x12
C. 11x14
D. 14x14

A

A. 8x10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The sensitometric control strips must be read with a densitometer. It is appropriate to visually compare sensitometric control strips

A

FALSE

(Rationale: Must be read with a SENSITOMETER)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

TRUE OR FALSE

For monitoring the temperature of the film processor , it is recommended that only a thermometer containing mercury to be used

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

EF stands for _______

A

Evaporative Fraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

A device that measures the optical density of a developed radiographic film.

A

Densitometer

33
Q

It is important that the light emitted by the sensitometer _______ the film used by the facility

A. Identical
B. Same
C. Matches
D. Equivalent

A

C. Matches

34
Q

Device containing a light source and a timing mechanism designed to give precise, repeatable, and graduated light exposures to the radiographic film

A. Densitometer
B. Sensitometer
C. Cassette
D. Intensifying Screen

A

B. Sensitometer

35
Q

TRUE OR FALSE

If a facility has one processor and performs both mammography and diagnostic imaging, the x-ray film should be used for processor QC; as it is usually the more sensitive film

A

FALSE

36
Q

All corrective actions must be documented and the records retained for a minimum of ______ years

A. 5 Years
B. 10 Years
C. 2 Years
D. 1 Year

A

C. 2 Years

37
Q

In equipment warm-up, how many exposures should be done ?

A. 3
B. 4
C. 5
D. 2-3

A

B. 4

37
Q

TRUE OR FALSE

The regulation specifies that processor QA MUST be performed every day that a patient x-rays are taken and before patient films are processed

A

FALSE

38
Q

If the tube is idle for more than ______ hours, another warm up should be performed. How many extra exposures should be done ‘?

A. 1
B. 2
C. 3
D. 4

A

B. 2

39
Q

Checking for indicator (kVp, x-ray on light or audible signal etc.) malfunction and the mechanical and electrical safety of the x-ray system is being tested ______ ?

A. Annually
B. Quarterly
C. Daily
D. Weekly

A

C. Daily

39
Q

TRUE OR FALSE

In daily machine warm-up procedure, the lowest mA for a large focal spot is being used

A

TRUE

40
Q

How frequent does the screen-film contact test is being tested ?

A. Monthly
B. Initially
C. Annually
D. B & C

A

D. B & C

41
Q

Frequency of laser film printer QC is every ______ ?

A. Day
B. Week
C. Month
D. Quarterly

A

B. Week

42
Q

Analysis of fixer retention should be in standard of _____ ?

A. 5 micrograms
B. 0.5 grams
C. 0.05 grams / meter
D. 5 micrograms/sq.centimeter

A

D. 5 micrograms/sq.centimeter

43
Q

Standard of Screen-film contact test should be ________ in diameter ?

A. <2.5 cm in diameter

B. No areas of poor contact with 2 cm in diameter

C. >2 cm in diameter

D. No areas of poor contact with >2cm in diameter

A

D. No areas of poor contact with >2cm in diameter

44
Q
A
45
Q
A
46
Q
A
47
Q
A
48
Q
A
49
Q
A
50
Q
A
50
Q
A
51
Q
A
51
Q
A
51
Q
A
51
Q
A
52
Q
A
53
Q
A
54
Q
A
55
Q
A
56
Q
A
56
Q
A
57
Q
A
58
Q
A
59
Q
A
60
Q
A
61
Q
A
62
Q
A
62
Q
A
63
Q
A
64
Q
A
64
Q
A
65
Q
A
65
Q
A
66
Q
A
66
Q
A
67
Q
A
68
Q
A
68
Q
A
69
Q
A
70
Q
A
71
Q
A
72
Q
A
72
Q
A
72
Q
A
73
Q
A
74
Q
A
75
Q
A
75
Q
A
76
Q
A

QUALITY ASSURANCE AND QUALITY CONTROL (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions