Danb radiation - Study guides, Class notes & Summaries

DANB RHS Exam Study Guide Questions with Correct Answers The sharpness of definition of the radiograph is determined by the a)anode b) cathode c) electric circuit d) focal spot - Answer-d Within the xray machine the direction of electric current flows from the a) anode to cathode b) target of the anode to the filament of the wire c) filament of the cathode to the target of the anode d) none of the above - Answer-c The amperage control determines the a) number of free ...

DANB RHS Exam Questions with Correct Answers Maximum Accumulated Dose: - Answer-based on worker's age. MAD= (N - 18) x 5 rems/year MAD= (N - 18) x 0.05 Sv/year ALARA concept: - Answer-states that all exposure to radiation must be kept to a minimum, "as low as reasonably achieved" Most effective method of reducing pt exposure to radiation: - Answer-fast films The thyroid collar must be worn for all intraoral & extraoral films: (True or False) - Answer-False The dental radiograp...

DANB Radiology Practice Exam with Correct Answers According to the American Academy of Oral Maxillofacial Radiology, how often should an x-ray machine be tested? - Answer-Annually Which of the following would likely NOT be necessary in the case of an accidental radiation exposure? - Answer-Evacuate the building - Report the exposure to the Radiation Protection Office (RPO) - Turn the power to the system off immediately - Advise exposed individuals to obtain medical care if needed. Chr...

DANB RHS PRACTICE TEST WITH COMPLETE SOLUTIONS GRADED A+ When taking radiographs on a small child who cannot hold the film intra-orally, the dental assistant should - Answer-ask a parent or guardian to hold the film. The BEST radiograph to evaluate a suspected salivary stone in the submandibular gland is a/an - Answer-occlusal To produce ionizing radiation, an atom must - Answer-add an electron. According to the inverse square law, when changing the PID length from 8 to 16 inches, th...

DANB Radiology Exam Questions with 100% Correct Answers Radiation injury can be measured by kVp. somatic dose. dose rate. mA. - answerdose rate What was established to address the education and certification of radiographic equipment operators? Consumer-Patient Radiation Health and Safety Act National Council on Radiation Protection and Measurements Radiation Control for Health and Safety International Commission on Radiation Units and Measurements - answerConsumer- Patient Radiatio...

DANB RADIOLOGY EXAM | QUESTIONS & 100% VERIFIEDANSWERS | LATEST UPDATE | PASSED The most common cause of excess patient exposure is Correct Answer: operator technique error The primary use of bitewing radiographs is for evaluation of Correct Answer: caries The reason for taking radiographs is Correct Answer: for diagnosis If the tubehead drifts, you should Correct Answer: have the equipment fixed prior to taking any radiographs The most damaging time for radiation exposure to the fe...

DANB Radiology exam Questions and Answers Graded A+ Harmful effects of radiation on human tissue are? Cumulative How much lead should the apron have? 0.25mm 0:18 / 0:34 What is the correct vertical angulation used when taking a bitewing x-ray? +10 degrees What do full mouth x-rays consist of? Always has periapical and bitewing films What needs to happen when exposing a full mouth set of radiographs? The exposure button should be covered with a plastic barri...

PRACTICE TEST FOR DANB # RHS Exam Questions With Verified Answers Compared to a dentulous patient, radiographic exposure time on an edentulous adult patient should - answerdecrease Inside the film packet, the film is wrapped with a/an - answerblack paper sheet. Which of the following cells exposed to radiation may be associated with leukemia? - answerSomatic Personnel monitoring for radiation exposure is done by - answerwearing a dosimeter. For x-ray machines operating in ranges at or be...

DANB RHS Practice Test Exam Questions with 100% Correct Answers During which type of radiographic exposure should a patient wear a thyroid collar? Panoramic radiograph Extraoral radiograph Cephalometric radiograph Intraoral radiograph - answerintraoral radiograph. What are common uses for a CBCT 3D image? identifying an apical abscess determining periodontal disease determining bone structure and tooth orientation determining decay in teeth - answerdetermining bone structure and tooth...

DANB MOCK TEST EXAM | QUESTIONS & 100% VERIFIEDANSWERS | LATEST UPDATE | PASSED The dentist says that the image has too much contrast; she would like to see more gray values. What adjustment would you make? Correct Answer: Increase kVp. All of the following are true statements about film badges except: a. they should be worn at work only. b. if an assistant follows all safety precautions; exposure should be near zero. c. they should be worn when any form of x-ray is taken. d. the ba...