Question 1

Performance testing of fluoroscopic systems must include all the following except

Accepted Answer

A)  x-ray tube housing. 
B)  automatic film processor. 
C)  total filtration. 
D)  automatic brightness control. 
A)  x-ray tube housing. 
B)  automatic film processor. 
C)  total filtration. 
D)  automatic brightness control. B

Question 2

The input phosphor of an image intensifier tube converts a(n) _____ image into a(n) _____ image.

Accepted Answer

A)  x-ray; light 
B)  light; electron 
C)  electron; light 
D)  x-ray; electron 
A)  x-ray; light 
B)  light; electron 
C)  electron; light 
D)  x-ray; electron A

Question 3

Quality control tests of fluoroscopic systems should be performed

Accepted Answer

A)  daily. 
B)  weekly. 
C)  semiannually. 
D)  annually. 
A)  daily. 
B)  weekly. 
C)  semiannually. 
D)  annually. C

Question 4

A photocathode is a device that emits

Accepted Answer

A)  light photons. 
B)  x-ray photons. 
C)  electrons. 
D)  All of the answer options are correct. 
A)  light photons. 
B)  x-ray photons. 
C)  electrons. 
D)  All of the answer options are correct.

Question 5

A reduction in brightness at the periphery of the image captured with an image intensifier tube is referred to as

Accepted Answer

A)  pincushion distortion. 
B)  vignetting. 
C)  barrel distortion. 
D)  quantum mottle. 
A)  pincushion distortion. 
B)  vignetting. 
C)  barrel distortion. 
D)  quantum mottle.

Question 6

In standard broadcast television, one image frame consists of

Accepted Answer

A)  one television field. 
B)  two television fields. 
C)  262.5 scan lines. 
D)  17 ms. 
A)  one television field. 
B)  two television fields. 
C)  262.5 scan lines. 
D)  17 ms.

Question 7

The television camera most commonly used to capture the fluoroscopic image from a tube type image intensifier is the:

Accepted Answer

A)  image orthicon. 
B)  plumbicon. 
C)  vidicon. 
D)  charge-coupled device. 
A)  image orthicon. 
B)  plumbicon. 
C)  vidicon. 
D)  charge-coupled device.

Question 8

Which type of test tool may be used to demonstrate pincushion distortion?

Accepted Answer

A)  Dosimeter 
B)  Wire mesh tool 
C)  Ion chamber 
D)  Homogenous phantom 
A)  Dosimeter 
B)  Wire mesh tool 
C)  Ion chamber 
D)  Homogenous phantom

Question 9

At any combination of tube potential and current, fluoroscopic equipment with an automatic brightness control should not produce an entrance skin exposure exceeding ____ R/min.

Accepted Answer

A)  2.5 
B)  5 
C)  10 
D)  20 
A)  2.5 
B)  5 
C)  10 
D)  20

Question 10

Which type of distortion that can occur with tube-type fluoroscopic image intensifiers is most often caused by the presence of strong magnetic fields?

Accepted Answer

A)  Veiling glare 
B)  S distortion 
C)  Pincushion distortion 
D)  Vignetting 
A)  Veiling glare 
B)  S distortion 
C)  Pincushion distortion 
D)  Vignetting

Performance testing of fluoroscopic systems must include all the following except

The input phosphor of an image intensifier tube converts a(n) _ image into a(n) _ image.

Quality control tests of fluoroscopic systems should be performed

A photocathode is a device that emits

A reduction in brightness at the periphery of the image captured with an image intensifier tube is referred to as

In standard broadcast television, one image frame consists of

The television camera most commonly used to capture the fluoroscopic image from a tube type image intensifier is the:

Which type of test tool may be used to demonstrate pincushion distortion?

At any combination of tube potential and current, fluoroscopic equipment with an automatic brightness control should not produce an entrance skin exposure exceeding ____ R/min.

Which type of distortion that can occur with tube-type fluoroscopic image intensifiers is most often caused by the presence of strong magnetic fields?

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

Radiographic Image Artifacts

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 7: Quality Control of Fluoroscopic Equipment

Performance testing of fluoroscopic systems must include all the following except

The input phosphor of an image intensifier tube converts a(n) _____ image into a(n) _____ image.

Quality control tests of fluoroscopic systems should be performed

A photocathode is a device that emits

A reduction in brightness at the periphery of the image captured with an image intensifier tube is referred to as

In standard broadcast television, one image frame consists of

The television camera most commonly used to capture the fluoroscopic image from a tube type image intensifier is the:

Which type of test tool may be used to demonstrate pincushion distortion?

At any combination of tube potential and current, fluoroscopic equipment with an automatic brightness control should not produce an entrance skin exposure exceeding ____ R/min.

Which type of distortion that can occur with tube-type fluoroscopic image intensifiers is most often caused by the presence of strong magnetic fields?

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

Radiographic Image Artifacts

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

The input phosphor of an image intensifier tube converts a(n) _ image into a(n) _ image.