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Principles of x-rays

Radiology POS 801

QuestionAnswer
amperage The number of electrons that pass through a conductor; the strength of an electrical current
contrast the difference in degrees of blackness between adjacent areas on a radiograph
density the overall darkness or blackness of a radiograph
kilovoltage In radiography the x-ray tube peak voltage used during an exposure; measured in kilovolts
milliamperage the intensity of the x-ray tube current used during exposure; measured in milliamperes
genetic effects effects of radiation that are passed on to future generations through genetic cells
somatic effects radiation effects that are responsible for poor health
cumulative effects The additive effects of repeated radiation exposure
sievert unit of measurement for dose equivalent
latent period The invisible image produced when the film is exposed to x-rays, remains invisible until the film is processed.
collimation restriction of the size and shape of the x-ray beam
dental radiograph a photographic image produced on film by the passage of x-rays through teeth and supporting structures
dental radiographer any person who positions,exposes, and processes dental x-ray film
focal spot the size of the tungsten target of the anode
inherent filtration filtration placed in the x-ray tube by the manufacturer.
Created by: mdeose1 on 2011-02-06



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