Image Production/Quality Management Practice Quiz Flashcards by Tanner Heafner

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.) focuses on the process, not just the employee

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

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

d.) 2

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A motion picture camera is called:

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

d.) cinefluorography

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The eight penny test is used to determine accuracy of:

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

a.) collimation

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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

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

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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

b.) saturation artifact

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An example of an internal customer would be:

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

d.) ER department

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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

b.) automatic brightness gain

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

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

c.) vignetting

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The variability allowed for milliamperage and time linearity is _________%

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

c.) 10

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Checking the accuracy of the mas setting is called:

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

c.) beam quantity

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

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

b.) actual quality

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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.) diagnostic reference level

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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

d.) reproducibility

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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

b.) 1 and 2

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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

c.) acceptance testing

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

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

d.) 720

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

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

b.) heat sensor

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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

c.) reproducibility

Which part of a key process is measureable?

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

a.) KOV

____________ compression is recoverable and does not compromise image quality.

a.) lossy
b.) lossless

b.) lossless

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

d.) 1 and 4

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.) 40%

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

b.) perceived quality

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

b.) 5

Collimation systems equipped with positive beam limitation must be accuracte to within ___________% of the SID a.) 5 b.) 3 c.) 2 d.) 4

b.) 3

Digital fluoro equipment should be tested every ____________. a.) 6 months b.) month c.) week d.) year

a.) 6 months

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

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

The maximum variability allowed for the reproducibility of exposure is ____________% a.) 20 b.) 5 c.) 10 d.) 2

b.) 5

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

c.) 14.6

Radiographic KVP should be evaluated: a.) semiannually b.) annually c.) monthly d.) weekly

b.) annually

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

b.) linearity

Quality ___________ deals with the maintenance of equipment. a.) assessment b.) management c.) assurance d.) control

d.) control

Radiation dose limits for the lens of the eye is : a.) 50 msv b.) 150 msv c.) 5 msv d.) 500 msv

b.) 150 msv

Beam quantity should be within: a.) 5% b.) 10% c.) 2% d.) 1%

b.) 10%

A three phase 12 pulse generator will produce how many pulses per cycle? a.) 720 b.) 12 c.) 360 d.) 60

b.) 12

Which of the following is not a tube type of television camera? a.) Plumbicon b.) orthicon c.) CCD d.) vidocon

c.) CCD

Beam quantity measures: a.) kvp b.) timer accuracy c.) AEC d.) Mas

d.) Mas

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

b.) data is recoverable

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

c.) low contrast resolution

Selecting different mA and time settings to result in the same mas is called: a.) linearity b.) accuracy c.) reproducibility d.) reciprocity

d.) reciprocity

The ability to resolve small, black and white objects is called: a.) magnification b.) high contrast resolution c.) Low contrast resolution d.) brightness gain

b.) high contrast resolution

A QC trained technician can perform which of the following tests? a.) noninvasive, simple b.) invasive, complex c.) invasive, simple d.) noninvasive, complex

d.) noninvasive, complex

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

c.) threshold of acceptability

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

c.) images are taken too close together

Central ray congruency is also known as: a.) linearity b.) light field radiation field congruence c.) beam/bucky tray alignment d.) detent alignment

c.) beam/bucky tray alignement