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RAD106 exam 1 review

QuestionAnswer
Ionization is the removal of a(n) _________________ from an atom. electron
X-rays are ______________ penetrating, invisible rays that are a form of _____________ radiation. highly, electromagnetic
Radiology emerged as a medical specialty because of the _________ transformer and the __________ x-ray tube. Snook, Coolidge
Which type of energy is the energy of motion at the molecular level? Thermal Energy
Which type of energy is the energy released by a chemical reaction? Chemical Energy
____________ is the transfer of energy. radiation
A moving object has ____________ energy. kinetic
Ionizing radiation is capable of removing ____________ from atoms as it passes through the matter. electrons
Radio waves, light, and x-rays are all examples of _________ energy. electromagnetic
The energy of x-rays is ___________. electromagnetic
Computed tomography was developed in the ________. 1970
Matter is measured in ___________. kilograms
The formula E = mc2 is the basis for the theory that led to the development of __________. nuclear power
Which units are considered base quantities? mass, length, time
Which of the following is the SI unit for power? joules/seconds
Which of the following are special quantities used in radiologic science? Exposure, dose, effective dose
Thermal radiation is the transfer of heat by the emission of ___________________. infrared radiation
Exposure is measured in units of ___________. sieverts
The transfer of heat by the emission of infrared radiation is ________________. thermal radiation
What heat transfer takes place when you burn your finger by touching a hot iron? conduction
Mass density should be reported in which units? kilograms per cubic meter
What heat transfer takes place when water is boiled? convection
What are the two cryogens used in Magnetic resonance imaging with a superconducting magnet? Liquid helium and liquid nitrogen
Created by: travis686
 

 



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