With film-screen imaging, decreasing collimation (using a larger field size)results in ____________image contrast and ____________ patient exposure.

Question

Quizplus · Accepted Answer

Decreasing collimation (using a larger field size) results in more scatter radiation reaching the film, which lowers image contrast. Additionally, a larger field size exposes more of the patient's body to radiation, resulting in higher patient exposure.

With Film-Screen Imaging, Decreasing Collimation (Using a Larger Field Size)results