Which of the following sources of radiation is manmade? 1. Atmospheric fallout from nuclear weapons testing2. Cosmic radiation from the sun and beyond the solar system3. Nuclear power plant accidents as a consequence of natural disasters

Typically, people are more willing to accept a risk if they perceive that the potential benefit to be obtained is

Which of the following body parts is/are included in the whole-body dose? 1. gonads 2. blood-forming organs 3. extremities

Radiology departments or individual radiologic technologists can “pledge” to image gently. The pledge includes which of the following?1. Make the image gently message a priority in staff communications each year.2. Review the protocol recommendations and, when necessary, implement adjustments to practice processes.3. Communicate openly with parents.

Which of the following accounts for an x-ray beam’s heterogeneity? 1. Incident electrons interacting with several layers of tungsten target atoms 2.  Energy differences among incident electrons 3. electrons moving to fill different shell vacancies.

The effective atomic number (Zeff) of lithium fluoride (LiF) is equal to

Regarding exposure to ionizing radiation, patients who are educated to understand the medical benefit of an imaging procedure are more likely to

Which of the following contributes most to patient dose?

Which of the following terms refers to the radiation that occurs when an electron spontaneously drops down from an outer shell of an ionized atom to fill a vacancy in an inner shell of that atom?

In which type of monitoring device do photons release electrons by their interaction with air?