Podcast
Questions and Answers
What is the primary advantage of using a high-frequency generator for x-ray imaging?
What is the primary advantage of using a high-frequency generator for x-ray imaging?
- It operates on three-phase power.
- It generates less voltage ripple. (correct)
- It provides a higher output voltage.
- It is more cost-effective than other generators.
What is the main function of a collimator in an x-ray system?
What is the main function of a collimator in an x-ray system?
- To minimize the field of view. (correct)
- To decrease patient exposure to radiation.
- To enhance image resolution.
- To increase the intensity of the x-ray beam.
Where is the grid located in relation to the x-ray device?
Where is the grid located in relation to the x-ray device?
- Before the collimator and the tube.
- Beneath the glass window of the device.
- Right after the patient. (correct)
- Within the x-ray tube itself.
What material is primarily used in collimators to restrict the x-ray beam?
What material is primarily used in collimators to restrict the x-ray beam?
How do grids improve the quality of an x-ray image?
How do grids improve the quality of an x-ray image?
Flashcards
High Frequency Generator
High Frequency Generator
A device that supplies high-voltage electricity to power an x-ray tube.
Collimator
Collimator
A device used to limit the area of the x-ray beam, reducing scatter and improving image quality.
Lead Shutters
Lead Shutters
Lead sheets used within the collimator to block unwanted x-rays.
Grid
Grid
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Scattered Rays
Scattered Rays
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Study Notes
High Frequency Generator
- High-frequency generators power x-ray tubes.
- Used for x-rays because they operate on single-phase, reducing voltage ripples.
Collimator
- A device that minimizes the field of view.
- Uses lead shutters to restrict the x-ray beam.
- Attached to the x-ray tube below the glass window, where useful beams exit.
Grid
- Similar to a collimator but in a different position.
- Placed directly after the patient.
- Filters deflected rays, preventing image degradation.
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