Author: Anonymous

What do radiation weighting factors take into consideration? 1. The overall risk of exposure to humans from ionizing radiation2. Both the internal and external dose measurements3. The fact that some types of radiation are more efficient at causing biologic damage than other types of radiation for a given dose.

Patient dose in diagnostic radiography is usually expressed as

Which of the following has/have been identified as sources of radon exposure? 1. indoors, in houses 2. Smoking cigarettes. 3. Radiology departments

The purpose of filters in a film badge is

Which of the following is/are likely to improve quality and decrease patient dose? 1. beam restriction 2. low-kilovolt and high-microampere-second factors 3. grids

What is the effect on the relative biologic effectiveness (RBE) as linear energy transfer (LET) decreases?

Which of the following has/have and effect on the amount and type of radiation-induced tissue damage? 1. quality of radiation 2. type of tissue being irradiated 3.fractionation

Which of the following accounts(s) for x-ray beam heterogeneity? 1. incident electrons interacting with several layers of tungsten target atoms 2. electrons moving to fill different shell vacancies 3. its’s nuclear origin

The x-ray interaction with matter that is responsible for the majority of scattered radiation reaching the image receptor (IR) is

How will the x-ray photon intensity be affected if the source to image receptor is doubled?