Podcast
Questions and Answers
Which of the following is true about automatic exposure control (AEC) in x-ray machines?
Which of the following is true about automatic exposure control (AEC) in x-ray machines?
- It eliminates the need to set the mA and kVp values
- It eliminates the need to know in advance how much exposure time a radiograph will require (correct)
- It eliminates the need for a sensing device under the x-ray table
- It eliminates the need for a rotor switch
What is the purpose of the sensing device located under the x-ray table in AEC systems?
What is the purpose of the sensing device located under the x-ray table in AEC systems?
- To detect the position of the Bucky
- To control the exposure switch
- To terminate the exposure time when a certain quantity of radiation has been detected at the image receptor (correct)
- To set the mA and kVp values
What is the function of the rotor switch in x-ray machines?
What is the function of the rotor switch in x-ray machines?
- To initiate the exposure by continuing to hold the switch
- To terminate the exposure time
- To spin the rotating anode and apply heat to the filament to create electrons (correct)
- To detect when the tube is ready for an exposure
What is the purpose of the lockout feature in x-ray machines?
What is the purpose of the lockout feature in x-ray machines?
What is the role of the exposure switch in x-ray machines?
What is the role of the exposure switch in x-ray machines?
Flashcards
AEC Function
AEC Function
Automatically adjusts exposure, removing the need to pre-set exposure time.
AEC Sensor Purpose
AEC Sensor Purpose
Halts x-ray production after sufficient radiation reaches the image receptor.
Rotor Switch Function
Rotor Switch Function
Activates the rotating anode and heats the filament to generate electrons.
Lockout Feature Purpose
Lockout Feature Purpose
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Exposure Switch Role
Exposure Switch Role
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