RHS Exam Study Guide QUESTIONS WITH COMPLETE SOLUTIONS

Which is a measurement of tissue damage from x-ray energy? Correct Answer: Radiation absorbed dose To help desensitize the tissue prior to fil placement, the dental assistant should do what? Correct Answer: Rub a finger along the tissues where the film touches. What is the primary function of collimation? Correct Answer: To restrict the size of the beam. Added filtration in the x-ray tubehead protects what? Correct Answer: The Patient. To prevent cross-contamination, wipe the counter top with what? Correct Answer: An EPA-approved disinfectant. Patients receive less radiation when using which: A round PID, External PID or Rectangular PID? Correct Answer: Rectangular PID. Which of these radiographic errors is caused by removing a film too quickly from a tightly packed box? Reticulation, Cone Cut or Static Electricity? Correct Answer: Static Electricity. Paralleling technique require the film to be place how? Correct Answer: Away from the tooth, towards the middle of the oral cavity. When using a 16- inch PID compared to an 8-inch PID, should you increase or decrease the exposure time? Correct Answer: Increase the exposure time. What is the optimal temperature of the developer in automatic processing? Correct Answer: 80-95 Degrees F What is duplicating film coated with? Correct Answer: One-sided emulsion Which of the following is a disposable intraoral x-ray film holder device: Rinn XCP, Stabe or EeZee Grip? Correct Answer: Stabe What is the most common radiographic exposure used to evaluate a dental implant on an adult? Correct Answer: Periapical What error may cause film fogging? Correct Answer: Using expired film. Leakage radiation is defined as any radiation that it from the primary beam or the secondary beam? Correct Answer: From the primary bea