Question 1

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. C

Question 2

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 3

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 4

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 5

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

Question 6

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 7

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 8

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

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

A photocathode is a device that emits

Accepted Answer

A) light photons. 
B) x-ray photons. 
C) electrons. 
D) all of the above. 
A) light photons. 
B) x-ray photons. 
C) electrons. 
D) all of the above.

In standard broadcast television, one image frame consists of

Quality control tests of fluoroscopic systems should be performed

Performance testing of fluoroscopic systems must include all the following except

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

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

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?

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

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.

A photocathode is a device that emits

Introduction to Quality Management

Quality Management Tools and Procedures

Filmscreen Image Receptors, Darkrooms, and Viewing Conditions

Film Processing

Processor Quality Control

Silver Recovery

Quality Control of X-Ray Generators and Ancillary Radiographic Equipment

Digital and Advanced Imaging Equipment

Outcomes Assessment of Radiographic Images

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 8: Quality Control of Fluoroscopic Equipment

In standard broadcast television, one image frame consists of

Quality control tests of fluoroscopic systems should be performed

Performance testing of fluoroscopic systems must include all the following except

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

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

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?

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

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.

A photocathode is a device that emits

Introduction to Quality Management

Quality Management Tools and Procedures

Filmscreen Image Receptors, Darkrooms, and Viewing Conditions

Film Processing

Processor Quality Control

Silver Recovery

Quality Control of X-Ray Generators and Ancillary Radiographic Equipment

Digital and Advanced Imaging Equipment

Outcomes Assessment of Radiographic Images

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.