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The purpose of the anode is to
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Which would you adjust if you wanted to produce characteristic radiation?
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green book c 2,3,6

QuestionAnswer
The purpose of the anode is to convert electrons into x-ray photons.
Which would you adjust if you wanted to produce characteristic radiation? Kilovoltage
Which of the following statements is true of characteristic radiation? It only occurs at 70 kV and above.
Which of the following statements is true of orbits or shells in the atom? The orbiting shell closest to the nucleus has the highest energy level.
Your patient had x-rays taken in her previous dental office. She notices that the long metal tube at the end of the x-ray head is longer than it was at the other office. It aims and shapes the x-ray beam.
Which of the following elements is the simplest atom? Hydrogen (H #1)
Which of the following components of the x-ray machine would have two indicator lights? The control panel
(1) X-ray photon production occurs as a result of both general and characteristic radiation. (2) General radiation accounts for a small number of x-ray photons produced because it takes high kV to dislodge the electrons from the K shell. The first statement is true; the second statement is false.
Which would you adjust if you wanted to create a larger electron cloud? Milliamperage
Radiation is the emission and propagation of energy through space or substance in the form of waves or particles.Radioactivity can be defined as the process which certain unstable atoms or elements undergo spontaneous disintegration, or decay Both statements are true.
The lead collimator restricts the size of the x-ray beam.
Electromagnetic radiations include x-rays and visible light.
Cathode rays are derived from which of the following types of particulate radiation? Electrons
Which is the most common possibility when an x-ray photon interacts with matter? Compton scatter
An ion pair results when an electron is removed from an atom.
In the dental x-ray tube, the number of electrons created is controlled by milliamperage.
Within the x-ray tube, electrons are generated by the tungsten filament in the cathode.
Approximately what percentage of the kinetic energy of the electrons is converted to x-rays at the anode? Less than 1%
Which subatomic particle carries a negative electrical charge? An electron
Which property of x-rays allows for the image on the receptor? Penetrating power
The fundamental unit of matter is the atom.
The spontaneous emission of radiation from the disintegration of unstable atomic nuclei is radioactivity.
Which of the following statements is true of ionization? An atom that gains an electron has a negative charge, and an atom that loses an electron has a positive charge.
Which of the following statements is true of the wave concept of electromagnetic radiation? Frequency and wavelength are inversely related.
Your x-ray machine runs off 110 volts. Theoretically what would occur if there was no step-down transformer in the x-ray control panel? Too many electrons would be produced for the purpose of dental x-rays. Only 3-5 volts are required to heat the tungsten filament.
Which of the following forms of electromagnetic radiation has the shortest wavelength? Dental x-ray wave
Photons are a component of the particle concept of electromagnetic radiation.
Thermionic emission of electrons occurs at the tungsten filament in the cathode.
The binding energy or binding force of an electron is determined by the distance between the orbiting electrons and the nucleus.
Which of the following four possibilities that can occur when an x-ray photon interacts with matter is responsible for producing densities on a dental receptor that make dental radiography possible? Compton scatter
Which of the following forms of electromagnetic radiation are capable of ionization? X-rays
Which form of the x-ray beam is most detrimental to the patient and operator? Scatter radiation
The nucleus of an atom contains protons and neutrons.
Which of the following statements is true of ionizing radiation? It is radiation that is capable of producing ions by removing or adding an electron to an atom.
Heat is a byproduct of x-ray production. Which component of the x-ray tubehead dissipates the heat created by the production of x-rays? Insulating oil
Interaction with the x-ray photon as a result of the photoelectric effect is harmful to the patient because ionization occurs. The statement is true.
Created by: Francisco711
 

 



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