Deck 30: The Art of Image Critique

Question 1

Select the TRUE statement from the choices below.

A)The art of image critique is the application of scientific knowledge to the analysis of an image.
B)If an image is within acceptable limits, it is always of optimal image quality.
C)Photographic problems involve the production of recorded detail.
D)The cause of an unacceptable or suboptimal image includes technical factors only.

Answer 1

The art of image critique is the application of scientific knowledge to the analysis of an image.

Question 2

Image critique is particularly challenging with current technology due to the problems centering around

A)patient positioning.
B)patient preparation procedures.
C)the sophistication of the digital technologies used.
D)new x-ray tube designs providing much higher resolution with decreased heat loading.

Answer 2

the sophistication of the digital technologies used.

Question 3

Generally speaking, the process of image analysis should start with

A)the formulation of a hypothesis as to cause.
B)a review of the entire image.
C)the identification of patterns or cues.
D)the selection of a final hypothesis as to a cause of the problem.

Answer 3

a review of the entire image.

Question 4

All of the following are related EXCEPT

A)exposure timer error.
B)technical factor problem.
C)equipment malfunction problem.
D)procedural factor problem.

Question 5

An image that demonstrates too little contrast would represent

A)a procedural factor problem.
B)an equipment malfunction problem.
C)a technical factor problem.
D)none of the above

Question 6

All of the following would be classified as technical factor problems EXCEPT

A)the presence of grid aliasing on a CR image.
B)the presence of residual barium in the patient's colon scheduled for an IVU exam.
C)low resolution images with a loss of recorded detail.
D)an unexpectedly high EI value after using exposure values that are known to be correct.

Question 7

An optimal diagnostic quality radiograph

A)is always within acceptable limits.
B)is always the same as a diagnostic image.
C)always shows cues or patterns of underlying problems.
D)may warrant an ALARA violation.

Question 8

Geometric problems dealing with distortion could be due to

A)focal spot selection.
B)x-ray tube alignment.
C)collimation problems.
D)inadequate mAs.

Question 9

An image is presented to the department quality control coordinator by a disgruntled radiologist that shows an asymmetrically narrowed ankle mortis on an AP projection.His dissatisfaction would be most likely classified as a

A)technical factor distortion problem.
B)procedural factor patient preparation problem.
C)procedural factor patient positioning problem.
D)technical factor tube alignment problem.

Question 10

The presence of the Moire effect on an image indicates a problem with

A)a flat panel detector.
B)the automatic film processor.
C)a CR cassette and grid.
D)the Bucky mechanism.

Question 11

A photographic problem with visibility of detail would be likely due to

A)improper SID.
B)improper OID.
C)inadequate kVp.
D)improper focal spot selection.

Question 12

Static marks on a film radiographic image represent

A)a procedural factor problem.
B)a recorded detail problem.
C)a visibility of detail problem.
D)an equipment malfunction problem.

Question 13

Images that are grossly overexposed

A)will have recorded detail.
B)will have a low S#.
C)will possess poor visibility of detail.
D)will have a large EI value.

Question 14

As medical imaging continues to adopt digital imaging technologies, one of the greatest challenges for technologists regarding image analysis will be

A)clearly identifying the problem as a photographic vs. geometric problem with detail.
B)identifying possible causes that may be electronic in nature.
C)determining if post-processing algorithms are accurate.
D)all of the above

Question 15

The three alignment factors include the

A)x-ray tube
B)anatomical part.
C)image receptor.
D)all of the above

Question 16

Problems with radiographic/fluoroscopic equipment can be kept to a minimum by

A)cross-training radiographers to perform equipment service.
B)x-ray equipment service contracts.
C)purchasing first-class, "Cadillac" equipment only.
D)a quality control program.

Question 17

Technical factor problems can include both

A)equipment and technologist problems.
B)procedural and room scheduling problems.
C)equipment and image processing problems.
D)photographic and geometric problems.

Question 18

Select the FALSE statement from the choices below.

A)Geometric problems include patient motion.
B)Equipment malfunction involves radiographic/fluoroscopic equipment only.
C)Density problems include mAs and grid selection choices.
D)Contrast problems include kVp and collimation choices.

Question 19

With film-screen radiography, the largest percentage of image quality problems center around

A)film-screen contact.
B)inconsistent film quality from manufacturers.
C)automatic processing.
D)darkroom errors.

Question 20

If the electronic timer of a high frequency generator is suspect,

A)a standard spinning top test should be performed.
B)the timer should be compared with a stop watch.
C)an exposure time modifier should be calculated and incorporated into future exposures.
D)a qualified service engineer should be called.

Question 21

Match the following choices with the appropriate statement as they relate to image critique.
equipment malfunction problem

A)improper patient preparation
B)an S# of 50
C)film-screen contact problem
D)consistently low contrast images
E)image cut-off along the long dimension of a cassette
F)presence of grid lines on image
G)white specks on final images
H)hypothesis

Question 22

Match the following choices with the appropriate statement as they relate to image critique.
possible explanation of image quality cues

A)improper patient preparation
B)an S# of 50
C)film-screen contact problem
D)consistently low contrast images
E)image cut-off along the long dimension of a cassette
F)presence of grid lines on image
G)white specks on final images
H)hypothesis

Question 23

Match the following choices with the appropriate statement as they relate to image critique.
residual feces in bowel

A)improper patient preparation
B)an S# of 50
C)film-screen contact problem
D)consistently low contrast images
E)image cut-off along the long dimension of a cassette
F)presence of grid lines on image
G)white specks on final images
H)hypothesis

Question 24

Match the following choices with the appropriate statement as they relate to image critique.
Processing chemistry is exhausted.

A)improper patient preparation
B)an S# of 50
C)film-screen contact problem
D)consistently low contrast images
E)image cut-off along the long dimension of a cassette
F)presence of grid lines on image
G)white specks on final images
H)hypothesis

Question 25

Match the following choices with the appropriate statement as they relate to image critique.
recorded detail problem

A)improper patient preparation
B)an S# of 50
C)film-screen contact problem
D)consistently low contrast images
E)image cut-off along the long dimension of a cassette
F)presence of grid lines on image
G)white specks on final images
H)hypothesis

Question 26

Match the following choices with the appropriate statement as they relate to image critique.
possible ethical ALARA violation

A)improper patient preparation
B)an S# of 50
C)film-screen contact problem
D)consistently low contrast images
E)image cut-off along the long dimension of a cassette
F)presence of grid lines on image
G)white specks on final images
H)hypothesis

Question 27

Match the following choices with the appropriate statement as they relate to image critique.
image receptor alignment problem

A)improper patient preparation
B)an S# of 50
C)film-screen contact problem
D)consistently low contrast images
E)image cut-off along the long dimension of a cassette
F)presence of grid lines on image
G)white specks on final images
H)hypothesis