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Radiology

Chapter 4 Vocab - Part 1

QuestionAnswer
Intensifying screens Plates coated with fluorescent crystals.
Ampere Used to measure the rate of current flow in the circuit. Equals an electrical charge of 1 coulomb flowing through the conductor each second.
Frequency The number of times the crest of a wave passes a given point.
Chemical compound A substance that consists of only one type of molecule.
Conductor A gas, liquid, or metal that allows an electric charge to drift or flow through it.
Mass The quantity of matter that makes up any physical object.
Current The flow of electrical charges.
Electromagnetic Energy The spectrum of energies that includes radio waves, microwaves, visible light, ultraviolet light, x-rays, gamma rays, and cosmic rays. The energy has both electric and magnetic properties.
Kilovolt Peak (kVp) Used to measure the potential difference across an x-ray tube. Equal to 1000 volts.
Electron One of three fundamental particles that compose atoms. These particles have a negative charge.
Element A substance made up of only one type of atom.
Atoms All matter is composed of these "building blocks".
Binding Energy The quantities of energy that are required to hold electrons in orbital shells.
Ionization When a neutral atom gains or loses an electron, the electrical charges of its protons and electrons are no longer equal.
Circuit Continuous path; Current will flow in a circuit when there is a difference in electrical charge, a potential difference, between two points in the circuit.
Created by: hollieritter
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