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Liz Thomason
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 |