| Question | Answer |
| Energy is the ability to do _____. | work
Bushhong,p.4 Ch.1 |
| Rectification is the process of? | converting AC to DC
Bushong,p.110 Ch.6 |
| What type of anode would be used in a high volume hospital? | Rotating
Bushong, p.125 Ch.7
(Stationary anode would be used in somewhere like a dentist office) |
| The x-rays emitted through the window of the x-ray tube are called_____. | Useful beam
Bushong,p. 121 Ch.7 |
| X-ray current is controlled by ______. | filament circuit
Bushong,p.106 Ch.6 |
| The filament is located on what side of the tube? | cathode
Bushong,p. 122 Ch.7 |
| The anode has what type of charge? | Positive
(want the electrons to attract)
Bushong, p.125 Ch. 7 |
| What are the 3 principal parts of the x-ray imaging system? | 1. Control Console
2. High Voltage Section
3. x-ray tube
Bushong, p. 117 Ch.6 |
| What is the melting point for tungsten? | 3,410 degree celsius
Bushong,p.112 |
| Using the Heel Effect, _____ thickness should be placed on the anode side. | Less thickness (75% intensity)
Bushong, p.129 Ch. 7 |
| What are the five kinds of interactions of x-rays and matter? | 1. Photoelectric Effect
2. Compton Scattering
3. Classical Scattering
4. Pair Production
5. Photodisintegration
Bushong, Ch.10 |
| Iron, Nickel & Colbalt are examples of what type of magnet? | Ferromagnetic
(Ferromagnetic AKA: Alnico; this material can be strongly magnetized)
Bushong, p.85 Ch.5 |
| A coil of wire is called a _______. | Solenoid
Bushong, p.90 Ch.5 |
| Using the Right Hand Rule the thumb represents _______. | Current
(thumb=current, fingers= direction of the magnetic field)
Bushong, p.90 Ch.5 |
| Rubber & glass are examples of materials that would be used for?
a. conductor
b. semiconductor
c. insulator | c. insulator
(insulators do not permit electron flow)
Bushong, p.79 Ch.5 |
| Electric potential is measured in ____. | Volts (V)
(Electric resistance is measured in Ohms)
Bushong, p.79 Ch.5 |
| True/False: Photons have no mass | True
(Photons have electric & magnetic fields that are continuously changing in a sinusoidal fashion)
Bushong, p.57 Ch.4 |
| ______ is one half the range from crest to valley. | Amplitude
Bushong, p. 58 Ch.4 |
| True/False Diagnostic Ultrasound is part of the Electromagnetic spectrum? | False
(Ultrasound is not produced in photon form & does not have a constant velocity)
Bushong, pg.61 |
| The energy of a photon is directly proportional to its _______. | Frequency
Bushong, p.62 Ch.4 |
| When talking about Radiographic film, heat can do what to the film? | increase the fog, which then reduces contrast.
(Ideally radiographic film should be kept in refrigerated storage)
Bushong, p.190 Ch.11 |
| Invisible image is known as ______. | Latent image
(with chemical process, latent image becomes visible image)
Bushong, p.183 Ch.11 |
| The emulsion in radiographic film consist of a homogenous mixture of _____&______. | Gelatin & Silver Halide Crystals
Bushong, p. 182 Ch.11 |
| Laser printers would be used in what modality? | CT & MRI
(Laser printers provide exceptional image quality for multiple film size & multiple image formats per film)
Bushong, p.188 Ch.11 |
| In the transport system, the _____ is located at the bottom of the transport rack assembly. | Turnaround assembly
Bushong, p.201 Ch.12 |
| The developer temperature is ___. | 35 degree celsius or 95 degrees Fahrenheit
(developer temperature is the most critical. The wash water is maintained at 3 degrees celsius or 5 degrees fahrenheit lower than the developer)
Bushong, p.202 Ch. 12 |
| The principal components of an automatic processor are: ________ | Transport, Temperature, Circulation, Replenishment & Dryer
Bushong, p.200 Ch.12 |
| ____ are incandescent lamps with a color filter. | Safelights
(Safelights provide enough light to illuminate the darkroom while ensuring that the film remains exposed)
Bushong, p.188 Ch.11 |
| What modality uses single-emulsion? | Mammography Film
(Single emulsion is design to be exposed with a single radiographic intensifying screen)
Bushong, p.188 Ch.11 |