RTC 100 Final Exam Content (PDF)

**To prepare for the final exam in RTC 100, students should know:** Fractions -- convert fraction to a decimal Decimals -- convert decimal to a percent Graph y and x axis -- identify the x and y axis Solve for a basic algebraic equation Convert - Volts to kilovolts, - Kilovolts to volts...

**To prepare for the final exam in RTC 100, students should know:** Fractions -- convert fraction to a decimal Decimals -- convert decimal to a percent Graph y and x axis -- identify the x and y axis Solve for a basic algebraic equation Convert - Volts to kilovolts, - Kilovolts to volts - Meters to millimeters - Millimeters to meters Perform problems involving the Inverse square law Perform mAs calculation Identify unit of mass for radiography Relate the term photon to electromagnetic energy (light and x-ray) Identify energies on the Electromagnetic Spectrum Ionization - define Relate units Gray, Sievert, Becquerel, to application Respond to questions concerning kinetic and potential energy Identify details related to the discovery of x-ray Define Heat: random motion of energy, convection, friction, conduction Energy definition (ability to do work) Hertz definition Identify the source of electromagnetic waves Definition gamma rays Radiopaque / radiolucent Frequency and wavelength relationship Relationship between energy and frequency Albert Einstein wave particle duality Smallest units -- atoms, photons, electrons Compare images for contrast and gray scale Electrostatic and electrodynamic definitions, laws, process Define and relate function - Volt - EMF - Potential difference Be familiar with the three (3) types of electrification: contact, friction, induction Identify magnetic materials Define the terms groups and periods as they relate to the periodic table of elements Terminology associated with magnetic field flow Magnetic force fields Determine how Power rating is calculated Define: - Conductor - Resistor - Resistance in a circuit - AC / DC flow - X-ray tube current - Filament current Apply Turns ratio calculation Respond to questions concerning - Transformers - X-ray circuit - Voltage rectification - \# of diodes needed - Voltage ripple X-ray Tube: all parts, what they are made of, charge, function of induction motor, stators, selection of focal spots Anode heel effect Relationship between current to filament and x-ray production Leakage radiation limit Tube rating charts Methods of lengthening the life of the x-ray tube X-ray production at the target Emission spectrum and the average beam energy Comparison of bremsstrahlung to characteristic in the beam (emission spectrum) x-ray production efficiency Compton scatter Photoelectric effect Average atomic \# v. density of part mAs: exposure, quantity, kVp: quality, contrast, production of scatter Noise / QM Artifacts Attenuation