Exam 8: Exposure Technique Selection

If a technique chart is being used, and the IR is overexposed, the radiographer should assume the chart is inaccurate and come up with his or her own exposure factors.

(True/False)

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Question 21

What describes the shortest exposure time required for the AEC device to operate?

(Multiple Choice)

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Question 22

Where is the sensor located in an automatic exposure device that converts light into an electrical signal?

(Multiple Choice)

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Question 23

Two identical rooms having the same generator and tube and installed at the same time do not require development of separate technique charts.The chart for one room can accurately be used in the other.

(True/False)

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Question 24

When doing a CR study using AEC, what will happen to the patient exposure when changing from the -1 to +1 density setting?

(Multiple Choice)

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Question 25

Exposure time will ______ using AEC when patient thickness decreases.

(Multiple Choice)

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Question 26

What is the appropriate setting for backup time/mAs?

(Multiple Choice)

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Question 27

With a CR system, when using AEC to image a patient who is having difficulty holding still, increasing the mA (if the unit allows)will:

(Multiple Choice)

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Question 28

If a part measures 14 cm and requires the use of 75 kVp, how much kVp would a part measuring 18 cm require when using a variable kVp-fixed mAs technique chart?

(Multiple Choice)

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Question 29

With AEC it is easy to use multiple types of image receptors, because the detectors can sense image receptor type and make appropriate adjustments.

(True/False)

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Question 30

When exposure factors are selected using APR, the variables should not be adjusted.

(True/False)

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Question 31

Accurate patient measurement is most critical for the:

(Multiple Choice)

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Question 32

With digital imaging, AEC can be used with tabletop exams.

(True/False)

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Question 33

When using film-screen, what happens when an outside detector is selected for an AP thoracic spine?

(Multiple Choice)

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Question 34

AEC eliminates the need for the radiographer to select the actual _____ the examination will require.

(Multiple Choice)

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Question 35

Which of the following terms does not belong in the list?

(Multiple Choice)

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Question 36

The technique chart will provide information as to how to recognize and compensate for additive pathology.

(True/False)

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Question 37

Where is the sensor located in an automatic exposure device with a gas-filled chamber?

(Multiple Choice)

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Question 38

With modern x-ray equipment, the AEC system's minimum response time is typically:

(Multiple Choice)

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Question 39

When using AEC, what should the radiographer adjust to manipulate the contrast of the image?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 63

If a technique chart is being used, and the IR is overexposed, the radiographer should assume the chart is inaccurate and come up with his or her own exposure factors.

What describes the shortest exposure time required for the AEC device to operate?

Where is the sensor located in an automatic exposure device that converts light into an electrical signal?

Two identical rooms having the same generator and tube and installed at the same time do not require development of separate technique charts.The chart for one room can accurately be used in the other.

When doing a CR study using AEC, what will happen to the patient exposure when changing from the -1 to +1 density setting?

Exposure time will ______ using AEC when patient thickness decreases.

What is the appropriate setting for backup time/mAs?

With a CR system, when using AEC to image a patient who is having difficulty holding still, increasing the mA (if the unit allows)will:

If a part measures 14 cm and requires the use of 75 kVp, how much kVp would a part measuring 18 cm require when using a variable kVp-fixed mAs technique chart?

With AEC it is easy to use multiple types of image receptors, because the detectors can sense image receptor type and make appropriate adjustments.

When exposure factors are selected using APR, the variables should not be adjusted.

Accurate patient measurement is most critical for the:

With digital imaging, AEC can be used with tabletop exams.

When using film-screen, what happens when an outside detector is selected for an AP thoracic spine?

AEC eliminates the need for the radiographer to select the actual _____ the examination will require.

Which of the following terms does not belong in the list?

The technique chart will provide information as to how to recognize and compensate for additive pathology.

Where is the sensor located in an automatic exposure device with a gas-filled chamber?

With modern x-ray equipment, the AEC system's minimum response time is typically:

When using AEC, what should the radiographer adjust to manipulate the contrast of the image?

Radiation and Its Discover

The X-Ray Beam

Image Formation and Radiographic Quality

Exposure Technique Factors

Scatter Control

Image Receptors and Image Acquisition

Image Processing and Display

Image Evaluation

Dynamic Imaging: Fluoroscopy

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