Question

For a fluoroscopic system equipped with an ABC mechanism and where the x-ray tube is fixed below the table, moving the intensifier away from the patient _ patient radiation dose

Answer 1

Increasing the distance between the image intensifier and the patient in a fluoroscopic system with ABC mechanism leads to higher patient radiation dose due to the inverse square law.

Step-by-step explanation:

For a fluoroscopic system equipped with an Automatic Brightness Control (ABC) mechanism, moving the intensifier away from the patient increases patient radiation dose. This is because, as the distance between the source and the intensifier increases, the ABC will increase the radiation output to maintain the image quality, inadvertently increasing the dose the patient receives. This principle aligns with the inverse square law in physics, which states that the intensity of radiation falls off as the square of the distance from the source. To maintain radiation safety, it's crucial to adhere to protective measures such as using shielding and minimizing the time of exposure.