NELDA Practice Test 1 EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) If a patient tries to look at the technician during a panoramic radiograph, what will the image look like? - Correct Answers ✅Teeth large on one side of the image and small on the other side What is used to take a panoramic radiograph? - Correct Answers ✅Film cassette The computer used for digital imaging - Correct Answers ✅can be used for other office functions which way do x-rays travel? - Correct Answers ✅straight line A radiograph that is too light is most likely an example of what? - Correct Answers ✅Underexposed A film that is too light is the result of? - Correct Answers ✅Increasing target-to-film distance A herringbone pattern on low density film is caused by? - Correct Answers ✅Backward placement of the film packet Which intraoral radiograph would you use on a patient who needs oral surgery? - Correct Answers ✅Periapical 1 / 3
NELDA Practice Test 1 EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) The speed of film is determined by? - Correct Answers ✅The size of the silver halide crystals The thyrocervical collar is positioned to cover the? - Correct Answers ✅Throat Film speed is not determined by? - Correct Answers ✅Black paper in film packet How many film sizes do you have to choose from with a bitewing radiograph? - Correct Answers ✅4 What size film is used when taking occlusals? - Correct Answers ✅Size 4 What is the benefit of using dual film packets? - Correct Answers ✅Protects pts from unnecessary radiation, cost effective, creates two images in one exposure What is the best way to prevent fingerprints on film? - Correct Answers ✅Wear gloves 2 / 3
NELDA Practice Test 1 EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) What is NOT true of patients who do not have teeth? - Correct Answers ✅They do not need radiographs A tissue that lies within primary dental beam and is very radiosensitive is the? - Correct Answers ✅Cornea What should you do for a nervous patient? - Correct Answers ✅Explain the steps of the radiography What will static electricity cause on a panoramic image? - Correct Answers ✅Black marks The oldest intraoral radiographic technique is the? - Correct Answers ✅Bisecting the angle technique The dental assistant is using a size 2 receptor for anterior placements using the bisecting technique. Which of the following radiographs would be exposed first? - Correct Answers ✅Canine (tooth #6) What option does digital imaging have that traditionally radiography lacks? - Correct Answers ✅3-D Long exposure time for dental x-ray film results in? - Correct Answers ✅Dark film
- / 3