Deck 31: Quality Management

Question 1

Which monitoring tests should be done on a daily basis?

A)collimator accuracy
B)focal spot size estimation
C)processor sensitometry
D)all of the above

Answer 1

processor sensitometry

Question 2

Input for the purchase of new radiographic equipment should include the

A)radiologists.
B)radiographers.
C)administrators.
D)all of the above

Answer 2

all of the above

Question 3

The accuracy of single-phase generator time settings can be measured with a

A)sensitometer.
B)densitometer.
C)spinning top test.
D)penetrometer.

Answer 3

spinning top test.

Question 4

Focal spots measuring 0.3 mm or less should be measured with a

A)star test pattern.
B)pinhole camera.
C)spinning top.
D)all of the above

Question 5

Each of the following monitoring tests should be done on a semiannual basis EXCEPT

A)processor sensitometry.
B)focal spot size estimation.
C)collimator accuracy.
D)kilovoltage accuracy.

Question 6

Routine quality management procedures should be performed by the

A)radiation physicist.
B)qualified radiographer.
C)chief radiologist.
D)maintenance personnel.

Question 7

When testing collimator accuracy, an SID error of ____ is allowed.

A)20%
B)10%
C)2%
D)0%

Question 8

Quality assurance includes each of the following EXCEPT

A)equipment maintenance.
B)filing systems.
C)diagnosis.
D)scheduling.

Question 9

The largest hospital accreditation agency is the

A)MSQA.
B)The Joint Commission.
C)SMDA.
D)FDA.

Question 10

The centering mark should be within ____ of the light field central ray.

A)0%
B)1%
C)11%
D)100%

Question 11

A generator must be recalibrated when the kVp drifts beyond ____ kVp of the labeled setting.

A)2
B)5
C)10
D)12

Question 12

The accuracy of three-phase generator time settings can be measured with a

A)motorized synchronous spinning top test.
B)densitometer.
C)spinning top test.
D)penetrometer.

Question 13

Distance indicators are checked with a

A)yardstick.
B)densitometer.
C)laser.
D)tape measure.

Question 14

Test tools for focal spot size estimation include each of the following EXCEPT a

A)pinhole camera.
B)star test pattern.
C)line pair resolution tool.
D)motorized synchronous top.

Question 15

The Joint Commission approval is linked to ____ reimbursement.

A)federal
B)state
C)insurance company
D)all of the above

Question 16

Exposure time settings should be maintained within ____ of the labeled setting.

A)+ 5%
B)+ 10%
C)+ 15%
D)0%

Question 17

Which type of equipment is used to measure half-value layers?

A)sensitometer
B)aluminum filters
C)dosimetry equipment
D)more than one of the above

Question 18

The source-to-skin distance limit for a stationary fluoroscopic unit is ____ inches.

A)5
B)12
C)15
D)25

Question 19

Installation and acceptance testing of equipment is the responsibility of the

A)radiation physicist.
B)radiology supervisor.
C)radiology equipment vendor.
D)staff radiographer.

Question 20

Focal spots measuring 0.3 mm or more should be measured with a

A)star test pattern.
B)pinhole camera.
C)spinning top.
D)all of the above

Question 21

Match the following choices with the correct statement as each relates to quality management.
minimum SSD for portable fluoroscopic units

A)synchronous motor spinning top
B)2% of SID
C)DQE
D)MQSA
E)12 inches
F)S:N ratio
G)exposure reproducibility
H)15 inches

Question 22

Tomographic systems should be tested for each of the following EXCEPT

A)automatic brightness control.
B)completeness of motion.
C)section depth indicator accuracy.
D)section thickness accuracy.

Question 23

A qualified x-ray service engineer should be used to evaluate and correct the following radiographic/fluoroscopic imaging features:
1) film processor sensitometry
2) automatic brightness control
3) source-to-skin distance limits
4) fluoroscopic contrast
5)image display monitor brightness/contrast
6)AEC reproducibility

A)1, 2, 4, and 5 only
B)2, 3, 5, and 6 only
C)2, 4, 5, and 6 only
D)1, 3, 4, and 6 only

Question 24

An effective method to assess department image quality is to perform a repeat image analysis.This procedure will demonstrate which of the following department traits?
1) percent of repeat images per room
2) percent of repeat images per radiographer
3) automatic brightness control instability
4) radiologist interpretation accuracy
5) radiographer positioning accuracy
6) patient exam waiting times
7) equipment malfunctions
8) radiographer exposure technique accuracy
9) transmission times to PACS

A)1, 2, 3, 7, and 9 only
B)1, 2, 5, 7, and 8 only
C)3, 4, 6, 7, and 9 only
D)2, 5, and 8 only

Question 25

Computerized storage and transmission systems for digitized images of all types are called

A)DSR.
B)MRI.
C)CT.
D)PACS.

Question 26

A common device to measure display monitor quality and characteristics is a/an

A)screen contact test tool.
B)kVp test tool.
C)ABC resolution phantom.
D)SMPTE pattern.

Question 27

The accuracy of mA stations on a radiographic generator

A)should be measured after the timer and kVp accuracy have been confirmed.
B)tend to drift as the tube ages.
C)are measured using mR/mAs calculations across all mA stations.
D)all of the above

Question 28

You have just taken a CR radiograph of a patient's knee and the S# is 225.Unfortunately, the image has some degree of motion distortion and needs to be repeated using the same exposure settings.In repeating the image, the new image shows no motion but the S# is now 400.No changes were made to collimation, patient position, exposure techniques, etc.Based upon this new S# value,

A)exposure reproducibility is suspect.
B)the mR/mAs is equal.
C)the exposure reproducibility is within tolerable limits.
D)all of the above

Question 29

Match the following choices with the correct statement as each relates to quality management.
20 mAs is 20 mAs, repeatedly.

A)synchronous motor spinning top
B)2% of SID
C)DQE
D)MQSA
E)12 inches
F)S:N ratio
G)exposure reproducibility
H)15 inches

Question 30

Match the following choices with the correct statement as each relates to quality management.
used to check high frequency generator timer

A)synchronous motor spinning top
B)2% of SID
C)DQE
D)MQSA
E)12 inches
F)S:N ratio
G)exposure reproducibility
H)15 inches

Question 31

Most AECs utilize ____ ion chambers in various combinations.

A)one
B)two
C)three
D)four

Question 32

Match the following choices with the correct statement as each relates to quality management.
A value of 1 is ideal.

A)synchronous motor spinning top
B)2% of SID
C)DQE
D)MQSA
E)12 inches
F)S:N ratio
G)exposure reproducibility
H)15 inches

Question 33

Tomographic system uniformity and completeness of motion are tested with a

A)pinhole camera.
B)wire mesh.
C)lead mask with a pinhole.
D)all of the above

Question 34

Match the following choices with the correct statement as each relates to quality management.
collimator-to-receptor accuracy

A)synchronous motor spinning top
B)2% of SID
C)DQE
D)MQSA
E)12 inches
F)S:N ratio
G)exposure reproducibility
H)15 inches

Question 35

Match the following choices with the correct statement as each relates to quality management.
enacted in 1992 to improve image quality and diagnostic accuracy

A)synchronous motor spinning top
B)2% of SID
C)DQE
D)MQSA
E)12 inches
F)S:N ratio
G)exposure reproducibility
H)15 inches

Question 36

Digital detectors with a higher DQE will

A)require more dose to image adequately.
B)produce better images of small objects with low subject contrast.
C)produce a higher S:N ratio.
D)are not preferred for mammography due to dose.