Dental Assistant: PREP : Program Review & Exam Preparation
A new book in A&L's PREP series, this is comprehensive in coverage and prepares students for the Dental Assistant National Board Certification Exam. Hundreds of exam-type questions cover all the key subjects on th e exam. Each chapter presents a brief synopsis of the subject, exam-type questions, answers with paragraph length explanations, and a bibliography for additional current reference sources. Dental assistant and students preparing to cert ify in any of the six certification exams.
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X-rays belong to a group of radiations called electromagnetic radiations.
Electromagnetic radiations or waves occur in different wavelengths and in both
natural and manufactured forms. X-rays are manufactured and have short
Primary radiation refers to the main beam of x-ray energy emitted from the tu
behead. Secondary radiation occurs when primary radiation collides with matter.
Scattered radiation is a form of secondary radiation. Collimation limits the size of
Sterility Radiation protection guidelines recommend adoption of the concept of "
ALARA." ALARA stands for "as low as reasonably -^ achievable." The "ALARA"
concept reminds the operator that every dose of radiation produces damage and
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BIOMEDICAL SCIENCES 1
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