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Mocks/Review > Image Production/Quality Management Practice Quiz > Flashcards

Image Production/Quality Management Practice Quiz Flashcards

1
Q

Process improvement:

a.) focuses on the process, not just the employee
b.) focuses just on the employee (human factors)
c.) focuses on the equipment invloved in the process

A

a.) focuses on the process, not just the employee

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2
Q

The SID indicator must be within _________% of the actual SID.

a.) 5
b.) 1
c.) 10
d.) 2

A

d.) 2

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3
Q

A motion picture camera is called:

a.) DVR
b.) spot film device
c.) spot film camera
d.) cineflurography

A

d.) cinefluorography

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4
Q

The eight penny test is used to determine accuracy of:

a.) collimation
b.) focal spot size
c.) spatial resolution
d.) SID accuracy

A

a.) collimation

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5
Q

Accreditation is:

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

A

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

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6
Q

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 125 kvp. The resulting image will likely demonstrate:

a.) no visible errors
b.) saturation artifact
c.) loss of contrast
d.) quantam mottle artifact

A

b.) saturation artifact

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7
Q

An example of an internal customer would be:

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

A

d.) ER department

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8
Q

Which of the following systems functions to compensate for changing part/patient thickness during fluoroscopic procedures?

a.) automatic resolution control
b.) automatic brightness gain
c.) minification gain
d.) flux gain

A

b.) automatic brightness gain

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9
Q

A decrease in brightness at the lateral edges of the image is called:

a.) veiling glare
b.) s distortion
c.) vignetting
d.) barrel distortion

A

c.) vignetting

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10
Q

The variability allowed for milliamperage and time linearity is _________%

a.) 20
b.) 2
c.) 10
d.) 5

A

c.) 10

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11
Q

Checking the accuracy of the mas setting is called:

a.) beam limitation
b.) beam quality
c.) beam quantity
d.) beam accuracy

A

c.) beam quantity

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12
Q

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

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

A

b.) actual quality

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13
Q

The threshold or level when action should be taken is called: (for example a patient receives considerably more radiation for a simple xray than is determined to be safe)

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

A

a.) diagnostic reference level

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14
Q

The same technical factors (including fluoro time) should always produce the same radiation output. This is called:

a.) linearity
b.) accuracy
c.) reciprocity
d.) reproducibility

A

d.) reproducibility

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15
Q

A SMPTE pattern in best used to evaluate:
1.) dry laser printers
2.) electronic display devices
3.) image intensifiers
4.) DICOM systems

a.) 1, 2, 4
b.) 1 and 2
c.) 3 only
d.) 2 only

A

b.) 1 and 2

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16
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.) performance testing
b.) error correction testing
c.) acceptance testing
d.) QC testing

A

c.) acceptance testing

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17
Q

A 3 phase 12 pulse generator will produce how many pulses each second?

a.) 360
b.) 1/1000
c.) 1/120
d.) 720

A

d.) 720

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18
Q

Making a 30 second exposure at maximum kvp and ma is testing the:

a.) ma accuracy
b.) heat sensor
c.) kvp accuracy
d.) reciprocity

A

b.) heat sensor

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19
Q

An exposure is made in january at 70 kvp and 10 mas and produces a radiation output of 50 mr. The same exposure factors are used again in july and the same output of 50 mr is expected. This is called:

a.) linearity
b.) accuracy
c.) reproducibility
d.) reciprocity

A

c.) reproducibility

20
Q

Which part of a key process is measureable?

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

A

a.) KOV

21
Q

____________ compression is recoverable and does not compromise image quality.

a.) lossy
b.) lossless

A

b.) lossless

22
Q

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.) 2 and 3
b.) 2, 3 and 4
c.) 1 only
d.) 1 and 4

A

d.) 1 and 4

23
Q

Calculate the causal repeat rate for positioning: 1200 total images were taken, 75 repeats, 30 repeats for positioning.

a.) 40%
b.) 2.5%
c.) 6.25%
d.) .4%

A

a.) 40%

24
Q

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

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

A

b.) perceived quality

25
Q

Any variations between the states kilovolt (peak) on the control panel and the measured kilovolt (peak) must be __________%

a.) 20
b.) 5
c.) 2
d.) 10

A

b.) 5

26
Q

Collimation systems equipped with positive beam limitation must be accuracte to within ___________% of the SID

a.) 5
b.) 3
c.) 2
d.) 4

A

b.) 3

27
Q

Digital fluoro equipment should be tested every ____________.

a.) 6 months
b.) month
c.) week
d.) year

A

a.) 6 months

28
Q

An xray system with unreliable exposure reproducibility may result in which two adverse effects?

a.) increased distortion
b.) improper receptor exposure
c.) unecessary patient exposure
d.) unacceptable spatial resolution

A

b.) improper receptor exposure
c.) unecessary patient exposure

29
Q

The maximum variability allowed for the reproducibility of exposure is ____________%

a.) 20
b.) 5
c.) 10
d.) 2

A

b.) 5

30
Q

Calculate the total repeat rate: 1500 total images, 220 repeats, 50 repeats were for positioning, 20 were for technical factors.

a.) 19.3
b.) 4.6
c.) 14.6

A

c.) 14.6

31
Q

Radiographic KVP should be evaluated:

a.) semiannually
b.) annually
c.) monthly
d.) weekly

A

b.) annually

32
Q

If mas is increased in increments then the radiation output should increase in the same sequential change. This is called:

a.) reciprocity
b.) linearity
c.) accuracy
d.) reproducibiility

A

b.) linearity

33
Q

Quality ___________ deals with the maintenance of equipment.

a.) assessment
b.) management
c.) assurance
d.) control

A

d.) control

34
Q

Radiation dose limits for the lens of the eye is :

a.) 50 msv
b.) 150 msv
c.) 5 msv
d.) 500 msv

A

b.) 150 msv

35
Q

Beam quantity should be within:

a.) 5%
b.) 10%
c.) 2%
d.) 1%

A

b.) 10%

36
Q

A three phase 12 pulse generator will produce how many pulses per cycle?

a.) 720
b.) 12
c.) 360
d.) 60

A

b.) 12

37
Q

Which of the following is not a tube type of television camera?

a.) Plumbicon
b.) orthicon
c.) CCD
d.) vidocon

A

c.) CCD

38
Q

Beam quantity measures:

a.) kvp
b.) timer accuracy
c.) AEC
d.) Mas

A

d.) Mas

39
Q

Which of the following is not ttrue of lossy compression:

a.) cannot be reversed
b.) data is recoverable
c.) compromises image quality
d.) data can be compressed to 5-50 times

A

b.) data is recoverable

40
Q

The ability to resolve relatively large objects with similar density is called:

a.) Minification
b.) flux gain
c.) low contrast resolution
d.) high contrast resolution

A

c.) low contrast resolution

41
Q

Selecting different mA and time settings to result in the same mas is called:

a.) linearity
b.) accuracy
c.) reproducibility
d.) reciprocity

A

d.) reciprocity

42
Q

The ability to resolve small, black and white objects is called:

a.) magnification
b.) high contrast resolution
c.) Low contrast resolution
d.) brightness gain

A

b.) high contrast resolution

43
Q

A QC trained technician can perform which of the following tests?

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

A

d.) noninvasive, complex

44
Q

Establishing a 20 miniute maximum wait time for a procedure is considered:

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

A

c.) threshold of acceptability

45
Q

Why do double exposure artifacts occur in DR?

a.) the IR was not erased throughly
b.) backscatter
c.) images are taken too close together
d.) the image reader malfunctioned

A

c.) images are taken too close together

46
Q

Central ray congruency is also known as:

a.) linearity
b.) light field radiation field congruence
c.) beam/bucky tray alignment
d.) detent alignment

A

c.) beam/bucky tray alignement

Mocks/Review (12 decks)

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