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Questions and Answers
What is the purpose of the focusing cup in an X-ray tube?
What is the purpose of the focusing cup in an X-ray tube?
- To focus the X-rays (correct)
- To generate X-rays
- To control the intensity of the X-rays
- To warm up the X-ray tube
What is the anode heel effect?
What is the anode heel effect?
- It is the force of the X-ray beam
- It is the shape of the X-ray tube
- It is the effect of the X-ray beam on the patient (correct)
- It is the effect of the X-ray beam on the x-ray table
What is the purpose of the compression bands on the x-ray generator?
What is the purpose of the compression bands on the x-ray generator?
- To compress the x-ray beam (correct)
- To warm up the x-ray machine
- To terminate the exposure if the patient moves
- To control the intensity of the X-rays
What is the purpose of the deadman switch on the x-ray machine?
What is the purpose of the deadman switch on the x-ray machine?
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What is the purpose of the timer on the x-ray machine?
What is the purpose of the timer on the x-ray machine?
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Study Notes
- X-rays are a type of EM radiation that travels through space.
- X-rays are made when electrons are accelerated in a focusing cup.
- The more electrons that are in the focusing cup, the more X-rays will be produced.
- The focal spot of the X-ray tube is not always where the effective focal point is, which is why X-rays need to be focused using a focusing cup.
- The X-ray tube needs to be warmed up before it is used, and it should be used at a low mA and low speed.
- The x-ray generator has an anode heel effect, which means that patients usually lie under the anode side of the machine.
- The x-ray table has a uniform, radiolucent surface, which means that it is easy to see the image that is being produced.
- There are 4 different ways in which the top of the x-ray table can be moved, allowing for patient convenience.
- The x-ray tube supports are overhead and can be moved to accommodate different heights.
- The x-ray generator has compression bands that can be used to compress the x-ray beam.
- The x-ray machine has a deadman switch that can be used to terminate the exposure if the patient moves.
- The x-ray machine has a timer that can be used to terminate the exposure based upon a predetermined exposure value.
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