Dental Radiology Practice Test Questions and Correct Answers.

When taking a panoramic radiograph of an obese patient, as compared to a slim patient, exposure (ma or kVp) should: - Answer Be increased The major disadvantage of the bisecting angle technique is that; - Answer Image distortion is more likely To reduce cross contamination during radiography, the CDC and ADA recommend that the operator do all of the following except - Answer Take complete medical histories Ideally, a lead apron would be used - Answer For any dental radiographs A full mouth series has just been processed manually. The operator notes that the films on the bottom of the rack are of a different density. What could have caused this? - Answer Fixer solution was reaching exhaustion A film has been exposed to scattered radiation will appear... - Answer Fogged X-ray exposure time should increase if the patient is - Answer A large adult Before exposing a panoramic radiograph on a patient, the operator should request the removal of all of the following except: - Answer Watch A patient refuses to have radiographs on his/ her child. The dental assistant should: - Answer Inform the dentist and document patient's refusal Inform the dentist and document patient's refusal - Answer Overlapping of proximal surfaces Where is the radiographic landmark "incisive foramen" usually located? - Answer Mandibular anterior Cephalometric radiographs are primarily indicated to evaluate: - Answer Jaw Relationships When taking a panoramic radiograph, the patient's head should be oriented: - Answer With the midsagittal plane is perpendicular to the floor