Imaging Principles
Projectional radiography relies on the characteristics of x-ray radiation and knowledge of how it interacts with human tissue to create diagnostic images. X-rays are a form of ionizing radiation, meaning it has sufficient energy to potentially remove electrons from an atom, thus giving it a charge and making it an ‘ion’. Ionizing radiation has sufficient energy to penetrate human tissue.
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“The same principles which at first view lead to skepticism, pursued to a certain point, bring men back to common sense.”
—George Berkeley (1685–1753)