DANB X-ray Exam 2023 with Questions And Answers.

DANB X-ray Exam 2023 with Questions And Answers. The area of sharp focus in panoramic radiography is know as the - Answer B. Focal Through The Focal Trough can be as narrow as ___ mm in the anterior region, making proper imaging of the lower incisors difficult - Answer C. 3 mm There are approximately ___ steps to follow in taking a successful panoramic imagine - Answer D. 10 Screens used in panoramic imaging cassettes are approximately __ times more sensitive to x-radiation than film - Answer C. 10-60 A dark black or gray area originating on one edge or corner of the film is most likely due to - Answer B. Damaged Cassette (light leak) A film that is very dark with loss of detail is most likely due to - Answer B. Overexposure A white inverted V-shaped radiopacity on the bottom of the film is most likely caused by - Answer C. Lead apron artifact A panoramic radiograph shows small, narrowed anterior teeth with the spine visible on both sides of the film. The patient was probably positioned __ on the bite rod. - Answer A. Too far forward A panoramic radiograph shows the mandible to be V-shaped and narrowed with the condyles high on the film. The occlusal curve is exaggerated and the spine arches over the top of the film. The patients head tilt was most likely pointing __ - Answer B. Too low A large tapered vertical radiopacity in the center of the panoramic radiograph is usually caused by the ghost of the spine due to - Answer C. Patient was slumping, neck was curved When the patient is properly positioned in the panoramic machine, they should feel - Answer C. Like they will fall backwards if they let go of the handholds If the patient fails to hold their tongue to the roof of their mouth during a pano what could happen? - Answer D. All the above - A large black shadow will be present between the tongue and palate - Roots of the maxillary teeth may be obscured - An airway shadow will result After development, a panoramic radiograph shows strange artifacts that resemble springs or boxes. Also the image appears to be reversed right to left. What happened? - Answer B. Cassette was inserted into the machine backwards Panoramic film is __ sensitive to green light than intraoral film and requires an __ safelight filter. - Answer D. More, Red A lead apron used for panoramic radiography should never - Answer C. Extend above the patient's collar Which side of the film is placed towards the teeth and x-ray tube? - Answer B. White side Which of the following film speeds requires the least amount of exposure? - Answer E. E - The Fastest film .