Exam 11: Control of Scatter Radiation

The use of a compression device will increase __________.

Photoelectric interactions increase when ___________ is decreased.

Image-forming x-rays include those which have been _________________.

Contrast resolution is improved by _____________.

Approximately _______% of the x-ray beam incident on the patient is transmitted through the patient without interaction to become part of the image-forming beam.

Decreasing the kVp will increase ___________.

Which kVp selection would result in the most scattered x-rays in the image-forming beam?

Lowering kVp ________ patient dose and _________ image contrast.

The x-rays that are transmitted through the patient without interaction contribute to ______________.

The three primary factors influencing the intensity of scatter in the image-forming beam are ___________________.

The most commonly used beam restricting device is the ____________.

Beam restriction with a(n) ____________ is only accurate at a fixed SID.

The use of __________ improves contrast and reduces patient dose.

The positive beam limiting device (PBL) assures that the x-ray beam is collimated to __________________.

Federal regulations passed in _____ required that positive beam limiting devices be on all manufactured x-ray collimators.

Compton scatter contributes to _____________.

The x-ray interaction that contributes to the clear parts of the image is _____________.

Scatter radiation increases as ___________________ increases.

How can you improve image contrast with a heavy patient without increasing patient dose?

A fixed aperture diaphragm should leave a _____ cm unexposed border on the film.