X-Ray Safety 15th of August, 2022 0 Welcome to your X-Ray Safety Exam. Reading Material Video Material Name Email Phone Who is responsible for ordering radiographs? Dentist Hygienist Dental Assistant Front Office One of the signs of over exposure to radiation is Hyperactivity Loss of eyesight Hunger Hair Loss Numbness in fingers All of the above PID stands for Position Indicator Device Perfect Incisal Development Pediatric Indicating Device Patient Indicator Device The setting that regulates the quantity of x-ray produced during an exposure Kilovolt Peak Milliampere PID High Voltage Which protects the surrounding tissue from unnecessary exposure by absorbing the x-ray? Inner wrap Outer wrap & Foil Dot Foil A maxillary occlusal exposure is Placed vertically and the cone is directly above patients face. Placed above the bridge of the nose for maxillary exposure with +65 -+ vertical angulation. Placed beneath the mandible at a 90° angle. Placed on the tongue with the patients mouth wide open. When an excessive vertical angle is used when taking x-rays the resulting image will be Foreshortened Foggy Overlapped Cone Cut Within the x-ray tube there are two electrodes, the positive electrode is the________ Cathode Anode Dentin Filament Avoid exposing pregnant women in their first trimester. Avoid retaking more than 3 radiographs on any patient when doing a full FMX. Both statements are False First statement is TRUE, second statement if FALSE. Both statements are TRUE. First statement is FALSE, second statement is TRUE. When taking dental radiographs, the area with potential to cause most cross contamination is? Lead apron is not kept clean Saliva or blood found on exposed film Not sterilizing counter tops Not placing head cover on chair The bitewings are usually taken as part of the FMX and is also used as a separate technique when an FMX is not indicated True False A child requires___________________ when taking x-rays? The same amount of exposure as an adult More exposure than an adult Less exposure than an adult No exposure What is commonly used to assist in taking good dental x-rays? Lead Apron Snaparay RINNs Bite tabs Both A and C are correct B, C, and D are correct This concept endorses the use of the lowest possible exposure to the patient and operator to x-ray exposure Primary Radiation Lead foil Latent Image ALARA Rem determines the_______________ Placement of the film Unit of measure of x-ray exposure X-ray Survey High Speed Film ___________ is an invisible high energy wave that can penetrate solid objects. X-Ray Primary Beam Light Anode Scattered radiation can be controlled by? Proper shielding of patient Proper shielding of operator Shielding within the x-ray tube All of the above The______________ is rectangular lead disk that is placed over the opening of the X-Ray tube Collimater X-Ray Head X-Ray Film Processing utilizing an automatic film processing system is a faster more effective method of film processing? True False When exposing and processing radiographs, it is essential as with any dental treatment that infection control procedures are carefully followed. True False A Collimator contains a hole that limits the size of the primary beam to no more than_______ inches in diameter at the skin of the patient. .70” 2 “ 2.75” 1.5” X-ray and light are are forms of radiation that can be directed in a specific direction. True False Chemical that works on the crystal to produce the image on the film. Fixer Water wash Dryer Developer Which film is considered the best for caries detection by the dentist? Periapical Occlusal Panoramic Bitewing During the processing technique, the chemical solutions convert the latent x-ray film image into a visible one. TRUE FALSE The ________ setting regulates the speed and penetrating power of the x-ray Timer mA kVp Collimator The most sensitive cells to X-rays are those that are more specialized and reproduced more quickly are? White and Rd blood cells Thyroid Male testes Bone marrow Cells of embryos All of the above This small film is worn whenever you are in the office and measures any radiation that you might receive as an operator or when performing other office tasks. Dosimeter Badge Lead Apron PID RINN The best film sizes to use on a child are Size 2 - 4 Size 5 – 6 Size 0 – 2 Size 3 only What is considered an extra-oral x-ray? Intra Oral Bitewing Panoramic Periapical Time is Up! Time's up