The collimator:

Question

The collimator:

Quizplus · Accepted Answer

The collimator is a device that restricts the size and shape of the x-ray beam. It is typically rectangular in shape and can be adjusted to control the size and shape of the beam. A collimator is important for reducing patient exposure to unnecessary radiation and improving image quality by preventing scatter radiation. The other choices are incorrect; the shape of a collimator can vary depending on the manufacturer and model, the collimator can be made of various materials, and it is not fitted within the copper stem beneath the molybdenum cup.

The Collimator