| Question | answer |
|---|
| The _____ effect is where the intensity of the beam varies and is stronger on the cathode side due to the angle of the target | |
| a ______ transformer reduces incoming line current from amperes down to mA, called the 'low voltage' circuit | |
| part of xray machine that directs electrons towards the light | |
| what metal is the filament made of? | |
| hihg frequency type _______ are used in clinics to allow thousands of electrical waves to flow towards the xray tube instead of standard 60 cycle US alternating current | |
| dental units use what type of anode? | |
| the _____ transformer increases the incoming voltage from volts to kilovolts, called 'high voltage' circuit | |
| what metal is the window made of that allows xrays to leave the tube and expose the film | |
| degree of blackness | |
| site of xray generation | |
| the _____ is always positive, the ______ is always negative | |
| Xrays are bundles of energy called ______ or ______ | |
| what percent of the energy produced when electrons hit the target is converted into xrays? | |
| the primary machine setting controlling depth of penetration | |
| As the focal spot becomes larger, the image becomes fuzzy and less clear; this is called the _______ effect | |
| type of anode developed to help dissipate the heat generated at the target; can use higher mA's with these | |
| visible difference between two adjacent radiographic densities | |
| electrons that collide with ______ produce xrays | |
| _____ wavelengths have higher frequencies | |
| Stationary base is made of what metal? | |
| number of wave cycles that pass a stationary point in a second | |
| what metal is the focusing cup made of | |
| ______ wavelengths have more energy | |
| xrays travel in ______ lines | |
| _______ allow flow of electrons in one direction only | |
| position the (thick/thin) area under the cathode side | |
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