Question 1

_______ can appear as dark bands at the interfaces of structures that differ widely in brightness level such as barium examinations or metal prosthesis.

Accepted Answer

A)  Electronic noise 
B)  Halo artifacts 
C)  Dirt or debris on the front of the 
D)  Dropped pixels 
A)  Electronic noise 
B)  Halo artifacts 
C)  Dirt or debris on the front of the 
D)  Dropped pixels B

Question 2

Wet pressure sensitization would be classified as _____ artifact.

Accepted Answer

A)  an exposure 
B)  a processing 
C)  a handling 
D)  no 
A)  an exposure 
B)  a processing 
C)  a handling 
D)  no B

Question 3

Patient motion during exposure results in _____ artifact.

Accepted Answer

A)  a processing 
B)  an exposure 
C)  a handling 
D)  no 
A)  a processing 
B)  an exposure 
C)  a handling 
D)  no B

Question 4

Pi lines are so named because they

Accepted Answer

A)  occur at regular intervals. 
B)  occur on the finished radiograph. 
C)  appear as a section of pie. 
D)  None of the above are correct. 
A)  occur at regular intervals. 
B)  occur on the finished radiograph. 
C)  appear as a section of pie. 
D)  None of the above are correct.

Question 5

Which of the following will run in the same direction as that of film travel?

Accepted Answer

A)  Pi lines 
B)  Hesitation lines 
C)  Guide shoe marks 
D)  All of the answer options are correct. 
A)  Pi lines 
B)  Hesitation lines 
C)  Guide shoe marks 
D)  All of the answer options are correct.

Question 6

A chemical fog artifact

Accepted Answer

A)  is an exposure artifact. 
B)  appears as streaks. 
C)  results in lower contrast. 
D)  results in lower optical density. 
A)  is an exposure artifact. 
B)  appears as streaks. 
C)  results in lower contrast. 
D)  results in lower optical density.

Question 7

Which of the following artifacts can occur in both CR and film/screen radiography?

Accepted Answer

A)  Static electricity 
B)  Wet-pressure sensitization 
C)  Moiré pattern 
D)  Water spots 
A)  Static electricity 
B)  Wet-pressure sensitization 
C)  Moiré pattern 
D)  Water spots

Question 8

Data for determining repeat rates should include at least ____ patients to obtain a statistical sample large enough for valid results.

Accepted Answer

A)  100 
B)  150 
C)  250 
D)  500 
A)  100 
B)  150 
C)  250 
D)  500

Question 9

Which of the following can occur as a result of a double set of grid lines?

Accepted Answer

A)  Grid misalignment 
B)  Film fog 
C)  Static artifacts 
D)  Moiré effect 
A)  Grid misalignment 
B)  Film fog 
C)  Static artifacts 
D)  Moiré effect

Question 10

If residual thiosulfate is not properly removed during washing, the radiograph will

Accepted Answer

A)  be underdeveloped. 
B)  be overdeveloped. 
C)  turn blue. 
D)  turn brown. 
A)  be underdeveloped. 
B)  be overdeveloped. 
C)  turn blue. 
D)  turn brown.

_______ can appear as dark bands at the interfaces of structures that differ widely in brightness level such as barium examinations or metal prosthesis.

Wet pressure sensitization would be classified as _____ artifact.

Patient motion during exposure results in _____ artifact.

Pi lines are so named because they

Which of the following will run in the same direction as that of film travel?

A chemical fog artifact

Which of the following artifacts can occur in both CR and film/screen radiography?

Data for determining repeat rates should include at least ____ patients to obtain a statistical sample large enough for valid results.

Which of the following can occur as a result of a double set of grid lines?

If residual thiosulfate is not properly removed during washing, the radiograph will

Introduction to Quality Management

Quality Improvement Tools and Procedures

Image Quality

Filmscreen Image Receptor Systems

Quality Control of X-Ray Generators and Ancillary Radiographic Equipment

Quality Control of Fluoroscopic Equipment

Digital Radiographic and Fluoroscopic Systems and Advanced Imaging Equipment

Mammographic Quality Standards

Quality Control in Computed Tomography

Quality Control for Magnetic Resonance Imaging Equipment

Ultrasound Equipment Quality Assurance

Quality Assurance in Nuclear Medicine

Filters

Exam 6: Radiographic Image Artifacts

_______ can appear as dark bands at the interfaces of structures that differ widely in brightness level such as barium examinations or metal prosthesis.

Wet pressure sensitization would be classified as _____ artifact.

Patient motion during exposure results in _____ artifact.

Pi lines are so named because they

Which of the following will run in the same direction as that of film travel?

A chemical fog artifact

Which of the following artifacts can occur in both CR and film/screen radiography?

Data for determining repeat rates should include at least ____ patients to obtain a statistical sample large enough for valid results.

Which of the following can occur as a result of a double set of grid lines?

If residual thiosulfate is not properly removed during washing, the radiograph will

Introduction to Quality Management

Quality Improvement Tools and Procedures

Image Quality

Filmscreen Image Receptor Systems

Quality Control of X-Ray Generators and Ancillary Radiographic Equipment

Quality Control of Fluoroscopic Equipment

Digital Radiographic and Fluoroscopic Systems and Advanced Imaging Equipment

Mammographic Quality Standards

Quality Control in Computed Tomography

Quality Control for Magnetic Resonance Imaging Equipment

Ultrasound Equipment Quality Assurance

Quality Assurance in Nuclear Medicine

Filters