DANB RHS Exam Questions with Correct Answers

DANB RHS Exam Questions with Correct Answers Which of the following exposures is used to diagnose interproximal caries? - Answerbitewing The population most susceptible to radiation damage is - Answer-infants To minimize potential infections from semi-critical items it is important the operator - Answer-clean and disinfect devices after removal of surface barriers Patient should wear a thyroid collar during which type of radiographic exposure - Answer-Intraoral radiograph The total destruction of microorganisms and spores on reusable instruments is accomplished by - Answer-sterilizing Which of the following will best protect the dental assistant from cross contamination, while exposing radiographs - Answer-gloves The annual maximum accumulated dose of radiation for dental assistant is based on which of the following calculations - Answer-Age minus 18 times 5 rems/year Long-term effects of exposure to radiation may be associated with - Answer-birth abnormalities When changing the 8 inch PID to a 16 inch PID, which of the following is used to determine the intensity of the beam - Answer-inverse square law Compared to the paralleling technique a disadvantage of the bisecting angle technique is - Answer-image distortion Blurred radiographic, images are often caused by - Answer-patient movement during exposure Dental, healthcare personnel can best shield themselves for mediation during patient exposure by standing behind - Answer-a drywall barrier Added filtration and x-ray tubeHead protects the - Answer-patient Processed PSP plates should be handled by the edges to prevent - Answer-scratches Which of the following is a disposable intraoral PSP holder device? - Answer-Stabe When exposing radiographs, what is the minimum distance, the operator should stand from the tubeHead - Answer-6 feet A radiograph will automatically be retaking when there is a - Answer-Double exposure Which of the following causes the enter proximal areas of the teeth to appear overlapped - Answer-Improper horizontal angulation Impacted third molars are best seen with what type of radiograph - Answer-panoramic According to the CDC, how are the transmission of pathogens minimized when using phosphorus sensors to capture radiographic images? - Answer-By placing a plastic barrier over the sensor Which of the following radiograph techniques is recommended for a patient with a shallow palate - Answer-bisecting The main purpose of using a lead apron with a thyroid collar, when exposing dental radiographs is to protect the patient from - Answer-scatter radiation When you're moving a protective barrier after the exposure of radiographs, if a dental assistant touches the surface beneath the barrier, and the dental assistant must - Answer-Disinfect with a intermediate level disinfectant Which of the following affects the quantity of x-rays being admitted from the tube head - Answer-mA After using a lead apron on a patient for digital radiograph exposure, it should be - Answer-wiped with intermediate disinfectant Which of the following is the measurement of force that refers to the potential difference between two electrical charges? - Answer-voltage What effect can be caused when exposed to radiation? - Answer-Radiation has the potential to cause harmful biologic changes When documenting a lesion found on an image of all of the following should be described, except - Answer-severity The purpose of the aluminum disc in the x-ray tube head is to - Answer-filter out long wave x-rays from the primary beam