NC Dental U RAD Exam Study Guide Questions with Verified Answers

NC Dental U RAD Exam Study Guide Questions with Verified Answers List the six uses of dental images 1. Detect dental decay in early stages 2. Identify the bone loss in early stages 3. Locate abnormalities in surrounding hard and soft tissues 4. Evaluate growth and development 5. Document the condition of a patient at specific times 6. Obtain information during a dental procedure, such as a broken root tip during a oral surgical procedure The dental x-ray machine has three primary components. Which are day and first list the one is said to be the heart of the generating system. 1. The tube head (heart) 2. Control panel 3. Extension arm Complete the sentence. The ______ ______ and ________ _______ Must be used on all patients for all exposures Lead apron Thyroid collar List the Three roles of radiation protection 1.Always stand behind lead barrier 2. Never stand in the direct line of primary beam 3. Never stand closer than 6 feet to x-ray unit Define radiopaque and give some examples of what it would appear as radiopaque on A radiograph Radiograph. Appears dark/black Radiopaque. Appears white/light gray examples: radiograph ex- Air spaces, soft tissues. Radiopaque ex- Metal enamel What is electromagnetic radiation Made up of and how fast does it travel Photons, That travel through space at the speed of light There are three types of radiation, list them with a short definition 1. Primary radiation (useful beam)- x-ray that comes from the Target of x-ray tube 2. X-radiation- primary been interacts with matter 3. Scatter radiation- Form of secondary radiation, results when x-ray beam has been deflected from its path path interaction with matter Density is directly controlled by Exposure time and milliamperage Describe low contrast and state if it is generally preferred or not preferred Low contrast Is preferred and it's many shades of gray Define quality assurance and what it would Practically include in a dental office Quality Assurance is a way of ensuring that everything possible is being done to produce high-quality diagnostic images. It includes both quality control test that monitor dental x-ray equipment, supplies, and image processing