Radiology ch 2
Dental and medical x-rays account for what percentage of the overall total exposure of iodization radiation to individual United States
5%
What is the average amount of background radiation to individual in the United States
6.2 MSV/millisievert per year which is 620 Millirem per year
What term best describes the process of transferring extra energy to the Adams of the material through which the x-ray beam passes
Absorption
What term describes the smallest particle of an element that retains the properties of that element
Atom
Which of these terms is the unit used to measure radiation exposure
Columns per kilogram
List three sources of background radiation
Cosmic, terrestrial, radionuclides
Exposure
Coulombs per lilpgram / roentgen
Which of these subatomic particle's carries a negative electric charge
Electron
Radiation produced when high-speed electrons are stopped or slowed down by the tungsten Adams of a dental x-ray tube is called
General/BREMSSTRA HLng
Absorbed dose
Gray gy/ rad
Which of these forms of radiation is least capable of causing ionization of the body tissue cells
Infrared light
Five properties of xrays
Invisible, traveling straight lines, travel at the speed of light, no mass or wait, interact with matter causing ionization
Radiant energy sufficient to remove an electron from an orbital level of the Atom is called
Ionizing
What term describes the process by which unstable Atoms undergo decay in an effort to obtain nuclear stability
Radioactivity
The system international unit that is replaced the traditional unit REM is
Sievert
Dose equivalent
Sievert / rem
Which of the following is not a property shared by all the energies of electromagnetic spectrum
Travel any pulsating motion at the speed of sound
What is the distance between two similar points on two successive waves called
Wavelength
Which of these electromagnetic radiation's has the shortest wavelength
X-rays
Which of these forms of radiation has the greatest penetrating power
X-rays
