Question 1

Once phantom images have been produced, they must be shown to

Accepted Answer

A) all diagnosing radiologists only. 
B) image quality control radiographers only. 
C) diagnosing radiologists and image quality control radiographers. 
D) radiology equipment representatives. 
A) all diagnosing radiologists only. 
B) image quality control radiographers only. 
C) diagnosing radiologists and image quality control radiographers. 
D) radiology equipment representatives. C

Question 2

Match the following choices with the correct statement as each relates to exposure systems.
-92 kVp increased to 106 kVp

Accepted Answer

A) calipers 
B) Arthur Fuchs 
C) APR 
D) variable kVp system 
E) fixed kVp system
F)AEC
G)Ed C. Jerman
H)phantom
I)fixed kVp systems
J)120 kVp
K)15% rule
L)2 kVp rule 
A) calipers 
B) Arthur Fuchs 
C) APR 
D) variable kVp system 
E) fixed kVp system
F)AEC
G)Ed C. Jerman
H)phantom
I)fixed kVp systems
J)120 kVp
K)15% rule
L)2 kVp rule K

Question 3

Pre-programmed exposure techniques provided by the equipment manufacturer

Accepted Answer

A) should be viewed as exact for all situations. 
B) should be viewed as a starting point for technique selection. 
C) are based upon a national standard and widely accepted by everyone. 
D) take into account the age of the system and modify techniques accordingly. 
A) should be viewed as exact for all situations. 
B) should be viewed as a starting point for technique selection. 
C) are based upon a national standard and widely accepted by everyone. 
D) take into account the age of the system and modify techniques accordingly. B

Question 4

Technique systems function best when a single variable is permitted to vary.

Accepted Answer

A) True 
 B)False

Question 5

Technique systems function best when a

Accepted Answer

A) large number of variables can be held constant. 
B) single factor is permitted to vary. 
C) method of consistency is used to produce a quality image. 
D) all of the above 
A) large number of variables can be held constant. 
B) single factor is permitted to vary. 
C) method of consistency is used to produce a quality image. 
D) all of the above

Question 6

Fixed kVp systems

Accepted Answer

A) decrease patient dose. 
B) reduce x-ray tube wear. 
C) decrease time settings. 
D) all of the above 
A) decrease patient dose. 
B) reduce x-ray tube wear. 
C) decrease time settings. 
D) all of the above

Question 7

Match the following choices with the correct statement as each relates to exposure systems.
-mAs is varied to achieve an appropriate image receptor exposure.

Accepted Answer

A) calipers 
B) Arthur Fuchs 
C) APR 
D) variable kVp system 
E) fixed kVp system
F)AEC
G)Ed C. Jerman
H)phantom
I)fixed kVp systems
J)120 kVp
K)15% rule
L)2 kVp rule 
A) calipers 
B) Arthur Fuchs 
C) APR 
D) variable kVp system 
E) fixed kVp system
F)AEC
G)Ed C. Jerman
H)phantom
I)fixed kVp systems
J)120 kVp
K)15% rule
L)2 kVp rule

Question 8

Anatomically programmed radiography (APR) exposure settings

Accepted Answer

A) are suggested factors. 
B) may be modified by the radiographer. 
C) may be reprogrammed by the user. 
D) all of the above 
A) are suggested factors. 
B) may be modified by the radiographer. 
C) may be reprogrammed by the user. 
D) all of the above

Question 9

Fixed kVp systems produce more scatter radiation than other systems.

Accepted Answer

A) True 
 B)False

Question 10

Most x-ray generators permit finer adjustment of kVp stations than of time or mA settings.

Accepted Answer

A) True 
 B)False

Question 11

When a new piece of imaging equipment is added to the imaging chain, technique charts must be re-established.

Accepted Answer

A) True 
 B)False

Question 12

When using a variable kVp exposure technique system,

Accepted Answer

A) a mAs value is identified for each body part and thickness. 
B) small changes in patient thickness can be accommodated with small changes in mAs. 
C) kVp varies as a function of patient thickness. 
D) all of the above 
A) a mAs value is identified for each body part and thickness. 
B) small changes in patient thickness can be accommodated with small changes in mAs. 
C) kVp varies as a function of patient thickness. 
D) all of the above

Question 13

Variable kVp systems

Accepted Answer

A) produce higher contrast images than other systems do. 
B) enhance the visibility of detail. 
C) increase the perception of resolution. 
D) all of the above 
A) produce higher contrast images than other systems do. 
B) enhance the visibility of detail. 
C) increase the perception of resolution. 
D) all of the above

Question 14

Technique systems function best when a large number of variables are permitted to vary.

Accepted Answer

A) True 
 B)False

Question 15

All of the following are advantages of the fixed kVp technique system EXCEPT:

Accepted Answer

A) Patient dose is higher. 
B) mAs values are at a minimum based upon thickness. 
C) Radiographic contrast is predictable and uniform. 
D) A greater exposure latitude is permitted. 
A) Patient dose is higher. 
B) mAs values are at a minimum based upon thickness. 
C) Radiographic contrast is predictable and uniform. 
D) A greater exposure latitude is permitted.

Question 16

Once a technique chart has been established, the process is terminated.

Accepted Answer

A) True 
 B)False

Question 17

When not using AEC as an exposure technique selection,

Accepted Answer

A) measuring the patient is very important. 
B) AEC detector combinations are critical. 
C) the size of the patient is not a factor. 
D) none of the above 
A) measuring the patient is very important. 
B) AEC detector combinations are critical. 
C) the size of the patient is not a factor. 
D) none of the above

Question 18

Fixed kVp systems

Accepted Answer

A) increase the consistency of image density. 
B) increase the consistency of image contrast. 
C) lengthen exposure latitude. 
D) all of the above 
A) increase the consistency of image density. 
B) increase the consistency of image contrast. 
C) lengthen exposure latitude. 
D) all of the above

Question 19

When formulating an exposure technique chart system, a successful sequence of steps is as follows:
1) clinical trials
2) clinical fine-tuning
3) ongoing fine-tuning
4) creation of phantom images
5) using the phantom images to extrapolate a chart
6) selecting the optimal phantom image
7) phantom testing

Accepted Answer

A) 1, 4, 5, 2, 3, 6, 7 
B) 4, 6, 1, 7, 2, 3, 5 
C) 4, 6, 5, 7, 1, 2, 3 
D) 7, 4, 5, 6, 1, 2, 3 
A) 1, 4, 5, 2, 3, 6, 7 
B) 4, 6, 1, 7, 2, 3, 5 
C) 4, 6, 5, 7, 1, 2, 3 
D) 7, 4, 5, 6, 1, 2, 3

Question 20

Fixed kVp systems tend to decrease patient dose.

Accepted Answer

A) True 
 B)False

Exam 32: Exposure Systems and Charts

Once phantom images have been produced, they must be shown to

Match the following choices with the correct statement as each relates to exposure systems. -92 kVp increased to 106 kVp

Pre-programmed exposure techniques provided by the equipment manufacturer

Technique systems function best when a single variable is permitted to vary.

Technique systems function best when a

Fixed kVp systems

Match the following choices with the correct statement as each relates to exposure systems. -mAs is varied to achieve an appropriate image receptor exposure.

Anatomically programmed radiography (APR) exposure settings

Fixed kVp systems produce more scatter radiation than other systems.

Most x-ray generators permit finer adjustment of kVp stations than of time or mA settings.

When a new piece of imaging equipment is added to the imaging chain, technique charts must be re-established.

When using a variable kVp exposure technique system,

Variable kVp systems

Technique systems function best when a large number of variables are permitted to vary.

All of the following are advantages of the fixed kVp technique system EXCEPT:

Once a technique chart has been established, the process is terminated.

When not using AEC as an exposure technique selection,

Fixed kVp systems

Fixed kVp systems tend to decrease patient dose.

Basic Mathematics

Radiation Concepts

Electricity

Electromagnetism

X-Ray Equipment

The X-Ray Tube

X-Ray Production

Radiation Protection Concepts and Equipment

Radiation Protection Procedures for Patients and Personnel

Filtration

The Prime Factors

X-Ray Interactions

Minimizing Patient Dose

Vision and Perception

Beam Restriction

The Patient As a Beam Emitter

The Pathology Problem

The Grid

Radiographic Film

Film Processing

Film Sensitometry

Intensifying Screens and Film Screen Combinations

Digital Radiography

Picture Archiving and Communication Systems Pacs

The Imaging Process

Densityir Exposure

Contrast

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Distortion

The Art of Image Critique

Quality Management

Automatic Exposure Controls

Exposure Conversion Problems

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