Exam 13: Automatic Exposure Control

Testing to make sure the AEC system produces the same results for multiple identical exposures is checking for and the optical densities should be within +/- .

(Multiple Choice)

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Question 21

With film-screen imaging using AEC,if an AP thoracic spine is imaged using an outside instead of center detector,the density in the area of interest will be and the patient will be ______.(Assume all other factors are appropriate. )

(Multiple Choice)

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Question 22

The mAs readout is of little value because there is no need to set manual exposure factors.

(True/False)

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Question 23

When a patient for a unilateral AP hip image has a metal prosthesis covering the detector,how will the bony anatomy appear with film imaging?

(Multiple Choice)

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Question 24

When there is a significant amount of scatter radiation reaching the detector,the exposure time will:

(Multiple Choice)

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Question 25

With digital imaging using AEC,if an AP thoracic spine is imaged using 110 kVp instead of 80 kVp,the brightness in the area of interest is and the patient exposure is ______.(Assume all other factors are appropriate. )

(Multiple Choice)

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Question 26

The amount of electric charge produced in an AEC detector depends on the amount of radiation absorbed by the detector.

(True/False)

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Question 27

Phototimer AEC devices convert the radiation to light energy.

(True/False)

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Question 28

AEC devices should be calibrated:

(Multiple Choice)

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Question 29

These can be adjusted to increase or decrease the amount of radiation needed to terminate the exposure using AEC.

(Multiple Choice)

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Question 30

With digital imaging using AEC,if an AP thoracic spine is imaged with the density setting changed from 0 to -2,the brightness in the area of interest is ______ and the is increased.(Assume all other factors are appropriate. )

(Multiple Choice)

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Question 31

When the x-rays enter the ionization chamber:

(Multiple Choice)

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Question 32

With film-screen imaging using AEC,if an AP thoracic spine is imaged with the central ray passing 3 inches to the right of the spine,the density in the area of interest will be and the exposure time will be ______.(Assume all other factors are appropriate. )

(Multiple Choice)

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Question 33

Once a part has been selected using APR,the exposure factors cannot be adjusted.

(True/False)

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Question 34

Using a higher kVp during an AEC examination results in:

(Multiple Choice)

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Question 35

There is typically a configuration of at least _________ AEC detectors in place.

(Multiple Choice)

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Question 36

AEC controls the amount of radiation reaching the IR by controlling the:

(Multiple Choice)

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Question 37

It is safe to assume that APR settings have been developed to produce the best quality images with the least amount of exposure.

(True/False)

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Question 38

When using AEC,the kVp:

(Multiple Choice)

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Question 39

In imaging a child,a short exposure time is needed for an examination using AEC.The mA setting should:

(Multiple Choice)

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Question 40

Showing 21 - 40 of 60

Testing to make sure the AEC system produces the same results for multiple identical exposures is checking for and the optical densities should be within +/- .

With film-screen imaging using AEC,if an AP thoracic spine is imaged using an outside instead of center detector,the density in the area of interest will be and the patient will be ______.(Assume all other factors are appropriate. )

The mAs readout is of little value because there is no need to set manual exposure factors.

When a patient for a unilateral AP hip image has a metal prosthesis covering the detector,how will the bony anatomy appear with film imaging?

When there is a significant amount of scatter radiation reaching the detector,the exposure time will:

With digital imaging using AEC,if an AP thoracic spine is imaged using 110 kVp instead of 80 kVp,the brightness in the area of interest is and the patient exposure is ______.(Assume all other factors are appropriate. )

The amount of electric charge produced in an AEC detector depends on the amount of radiation absorbed by the detector.

Phototimer AEC devices convert the radiation to light energy.

AEC devices should be calibrated:

These can be adjusted to increase or decrease the amount of radiation needed to terminate the exposure using AEC.

With digital imaging using AEC,if an AP thoracic spine is imaged with the density setting changed from 0 to -2,the brightness in the area of interest is ______ and the is increased.(Assume all other factors are appropriate. )

When the x-rays enter the ionization chamber:

With film-screen imaging using AEC,if an AP thoracic spine is imaged with the central ray passing 3 inches to the right of the spine,the density in the area of interest will be and the exposure time will be ______.(Assume all other factors are appropriate. )

Once a part has been selected using APR,the exposure factors cannot be adjusted.

Using a higher kVp during an AEC examination results in:

There is typically a configuration of at least _________ AEC detectors in place.

AEC controls the amount of radiation reaching the IR by controlling the:

It is safe to assume that APR settings have been developed to produce the best quality images with the least amount of exposure.

When using AEC,the kVp:

In imaging a child,a short exposure time is needed for an examination using AEC.The mA setting should:

Introduction to the Imaging Sciences

Structure of the Atom

Electromagnetic and Particulate Radiation

X-Ray Circuit

The X-Ray Tube

X-Ray Production

X-Ray Interactions With Matter

Image Production

Image Characteristics

Radiographic Exposure Technique

Scatter Control

Image Receptors

Image Intensified Fluoroscopy

Additional Equipment

Computed Tomography

Filters

Exam 13: Automatic Exposure Control

Testing to make sure the AEC system produces the same results for multiple identical exposures is checking for ______________ and the optical densities should be within +/- ______________.

With film-screen imaging using AEC,if an AP thoracic spine is imaged using an outside instead of center detector,the density in the area of interest will be __________________ and the patient will be ________________________.(Assume all other factors are appropriate. )

The mAs readout is of little value because there is no need to set manual exposure factors.

When a patient for a unilateral AP hip image has a metal prosthesis covering the detector,how will the bony anatomy appear with film imaging?

When there is a significant amount of scatter radiation reaching the detector,the exposure time will:

With digital imaging using AEC,if an AP thoracic spine is imaged using 110 kVp instead of 80 kVp,the brightness in the area of interest is __________________ and the patient exposure is ________________________.(Assume all other factors are appropriate. )

The amount of electric charge produced in an AEC detector depends on the amount of radiation absorbed by the detector.

Phototimer AEC devices convert the radiation to light energy.

AEC devices should be calibrated:

These can be adjusted to increase or decrease the amount of radiation needed to terminate the exposure using AEC.

With digital imaging using AEC,if an AP thoracic spine is imaged with the density setting changed from 0 to -2,the brightness in the area of interest is __________________ and the ____________ is increased.(Assume all other factors are appropriate. )

When the x-rays enter the ionization chamber:

With film-screen imaging using AEC,if an AP thoracic spine is imaged with the central ray passing 3 inches to the right of the spine,the density in the area of interest will be __________________ and the exposure time will be ________________________.(Assume all other factors are appropriate. )

Once a part has been selected using APR,the exposure factors cannot be adjusted.

Using a higher kVp during an AEC examination results in:

There is typically a configuration of at least _________ AEC detectors in place.

AEC controls the amount of radiation reaching the IR by controlling the:

It is safe to assume that APR settings have been developed to produce the best quality images with the least amount of exposure.

When using AEC,the kVp:

In imaging a child,a short exposure time is needed for an examination using AEC.The mA setting should:

Introduction to the Imaging Sciences

Structure of the Atom

Electromagnetic and Particulate Radiation

X-Ray Circuit

The X-Ray Tube

X-Ray Production

X-Ray Interactions With Matter

Image Production

Image Characteristics

Radiographic Exposure Technique

Scatter Control

Image Receptors

Image Intensified Fluoroscopy

Additional Equipment

Computed Tomography

Filters

Testing to make sure the AEC system produces the same results for multiple identical exposures is checking for and the optical densities should be within +/- .

With film-screen imaging using AEC,if an AP thoracic spine is imaged using an outside instead of center detector,the density in the area of interest will be and the patient will be ______.(Assume all other factors are appropriate. )

With digital imaging using AEC,if an AP thoracic spine is imaged using 110 kVp instead of 80 kVp,the brightness in the area of interest is and the patient exposure is ______.(Assume all other factors are appropriate. )

With digital imaging using AEC,if an AP thoracic spine is imaged with the density setting changed from 0 to -2,the brightness in the area of interest is ______ and the is increased.(Assume all other factors are appropriate. )

With film-screen imaging using AEC,if an AP thoracic spine is imaged with the central ray passing 3 inches to the right of the spine,the density in the area of interest will be and the exposure time will be ______.(Assume all other factors are appropriate. )