Standard

Posted: 03/10/08

R State Standard £ Institutionally Developed College: N/A

RAD 123 - Radiologic Science

Course Description

Introduces the concepts of basic physics and emphasizes the fundamentals of x-ray generating equipment. Topics include: atomic structure; structure of matter; magnetism and electromagnetism; electrodynamics; control of high voltage and rectification; x-ray tubes; x-ray circuits; and production and characteristics of radiation.

Competency Areas	Hours
Atomic Structure	Class	5
Structure of Matter	D. Lab	0
Magnetism and Electromagnetism	P. Lab/O.B.I.	0
Electrodynamics	Credit	5
Control of High Voltage and Rectification
X-ray Tubes
X-ray Circuits
Production and Characteristics of Radiation

Prerequisite:	MAT 103 (diploma); MAT 191 or MAT 190 (degree)
Corequisite:

Course Guide

Competency	After completing this section, the student will be able to:	Hours
		Class	D.Lab	P.Lab/ O.B.I.

Atomic Structure		2	0	0
Bohr’s theory	Describe Bohr’s theory of the hydrogen atom.
Atomic structure	Describe the characteristics and functions of protons, neutrons, and electrons.
	Describe the energy levels associated with a given atom.
Ionization	Explain the process of ionization.
Covalent and ionic bonding	Compare covalent and ionic bonding.
Structure of Matter		2	0	0
Elements	Define element.
	Describe the characteristics of a given element using the periodic table.
Molecules and compounds	Describe the characteristics of a molecule.
	Define compound.
Magnetism and Electromagnetism		8	0	0
Magnetism	Discuss the properties of magnetism.
	Discuss the laws of magnetism.
	Explain the principle of magnetic induction.
Electromagnetism	Explain the interaction between electrical and magnetic fields.
	Discuss types of electromagnetic induction.
	Describe types and functions of generators, motors, transformers, and coils.
	Compare single-phase and three-phase generators in terms of radiation production and efficiency.
ELECTRODYNAMICS		6	0	0
Terminology	Define the terms potential difference, current, and resistance.
Characteristics of alternating and direct current	Describe the characteristics of alternating and direct current.
Ohm’s Law	Solve direct current problems using Ohm’s law.
Resistance circuits	Given a schematic diagram of a resistance circuit, label the component parts.
Electrical measurement and protective devices	Describe electrical measurement devices.
	Given a schematic diagram, label the electrical measurement devices.
	Describe electrical protective devices.
CONTROL OF HIGH VOLTAGE AND RECTIFICATION		8	0	0
High Voltage	Identify mechanisms used to control high voltage.
	Compute transformed voltages and amperages using appropriate formulas.
Rectification	Define rectification.
	Explain the purpose of rectification.
	Compare solid state and vacuum tube rectification in terms of function, advantages, and disadvantages.
X-RAY TUBES		8	0	0
Anodes and cathodes	Describe the characteristics of a rotating anode in terms of construction and function.
	Describe the characteristics of a cathode in terms of construction and function.
Tube housing	Describe the construction and function of an x-ray tube housing.
Cables	Describe the construction and function of x-ray cables.
X-ray tube construction	Given an x-ray tube rating chart, determine the maximum time allowable exposure factor for various radiographic procedures.
	Given simulated exposure factors, use an anode cooling chart to determine the rate of anode cooling.
	Given simulated exposures and a housing cooling chart, determine the heat unit’s accumulated (latent heat) and the cooling characteristics of the x-ray tube housing.
X-RAY CIRCUITS		6	0	0
Primary circuit	Describe the components of an x-ray primary circuit and explain the function of each component.
Secondary circuit	Describe the components of as x-ray secondary circuit in terms of the arrangement and function of each support
Filament circuit	Describe the components of an x-ray filament circuit in terms of the arrangement and function of each component.
Compound circuit identification	Given a simple diagram of a complete x-ray circuit with missing components, complete circuit and label the components.
PRODUCTION AND CHARACTERISTICS OF RADIATION		10	0	0
Principles	State the principles of x-ray production.
	Compare the production of Bremstrahlung (braking rays) with the production of characteristics x-rays.
	Describe the conditions necessary to produce x-rays.
Photon interaction and disintegration	Discuss various photon interactions in terms of interaction description, relation to atomic number, and applications.
	Define photon disintegration.
Beam penetration, absorption, and scatter	Discuss the relationships of wavelength and frequency in terms of beam penetration, absorption, and scatter.
Unit of measure	Define the units of measure used to quantify radiation.
	List examples of the radiological applications of radiation units of measure.

Suggested Resources

Bushong, S. C. (2001). Radiologic Science for Technologists (7^th ed). St. Louis: Mosby.

Carlton, R. R. and Adler, A. M. (2001). Principles of Radiographic Imaging (3^rd ed). Albany, NY: Delmar.

Carroll, Q. B. Fuch’s Principles of Radiographic Exposure, Processing, and Quality Control. Springfield, IL: Thomas.

DeVos, Dianne. Basic Principles of Radiographic Exposure. Baltimore: Williams and Wilkins.

Fauber, Terri L. (2000). Radiographic Imaging and Exposure. St. Louis: Mosby.

Selman, J. (2001). Fundamentals of Imaging Physics and Radiobiology (9^th ed). Springfield, IL: Thomas.

Wallace, J. E. Radiographic Exposure Principles and Practice. Philadelphia: F. A. Davis.