Health Care > EXAM > DANB Radiology Exam | 130 Questions with 100% Correct Answers (All)

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DANB Radiology Exam | 130 Questions with 100% Correct Answers

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What is the base of dental film composed of? - ✔✔blue tinted polyester acetate What is the emulsion composed of? - ✔✔gelatin and silver halide crystals What determines the speed of dental fi... lms? - ✔✔size of crystals, thickness of emulsion, radiosensitive dyes What is the purpose of the lead foil? - ✔✔absorb scatter radiation and prevent fogging What Film speed is faster and reduces radiation exposure to patient? - ✔✔F- Speed What size film is used for PA's on small children - ✔✔#0 what size film is used for Bite-wings on adults when only one film is taken on each side - ✔✔#3 size film used for anterior PA's for patients with narrow arches - ✔✔#1 size film used for PA's on adults - ✔✔#2 size film used for BW on adults - ✔✔#2 size film used for occlusals on adults - ✔✔#4 What is the purpose of the embossed dot - ✔✔to determine film orientation, to help aid in mounting radiographs in anatomical order What is the latent image - ✔✔invisible image (remains like this until film is processed) What happens in the developer - ✔✔reduces the exposed silver halide crystals to black metallic silver. converts latent image into visible image What happens in the fixer - ✔✔removes the undeveloped silver halide crystals, hardens the emulsion how long does film stay in the developer [Show More]

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