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?

Which of the following personnel monitoring devices can be used to provide an immediate exposure readout for a radiation worker? 1. Personnel digital ionization dosimeter2. Optically stimulated luminescence dosimeter without an in-house reader3. Pocket ionization chamber4. Thermoluminesence dosimeter

Which of the following units of measure are not SI units?1. Roentgens2. Coulombs per kilogram, grays, sieverts3. Rads and rems