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Radiology/imaging

terms chapters 1

QuestionAnswer
A positively charged electrode Anode
A basic part of matter that consists of a nucleus and a surrounding cloud of electrons. Atom
The number of protons in an atoms nucleus. Atomic number
A negatively charged electrode Cathode
A method of transporting energy through space, distinguished by wavelength, frequency, and energy Electromagnetic radiation
Electromagnetic radiation grouped according to wavelength and frequency. Electromagnetic spectrum
A negatively charged particle that travels around the nucleus Electron
A process in which an electron is moved to a higher energy level within the atom Excitation
The ability of a substance to emit visible light Fluorescence
The number of cycles of the wave that pass a stationary point in a second Frequency
Electromagnetic radiation emitted from the nucleus of radioactive substances Gamma rays
Electromagnetic radiation, beyond the red end of the visible spectrum, characterized by long wavelengths Infrared rays
A process in which an outer electron is removed from the atom so that the aton is left positively charged Ionization
A neutral particle located in the nucleus of an atom Neutron
A bundle of radiant energy (synonymous with quanta) Photons
A positively charged particle located in the nucleus of an atom Proton
A bundle of radiant energy (synonymous with photons) Quanta
Energy contained in light rays or any other form of radiation Radiant energy
A visible photographic record on film produced by x-rays passing through an object. Radiograph
An electron's orbital path and energy level Shell
Electromagnetic radiation, beyond the violet end of the visible spectrum, that is characterized by short wavelengths Ultraviolet rays
An area from which all air has been removed Vacuum
The distance between two consecutive corresponding points on a wave. Wavelength
A form of electromagnetic radiation similar to visible light but of a shorter wavelength X-rays
A number of x-rays traveling together through space at a rapid speed X-ray beam
Created by: wkachold