NELDA Practice Test 1 Questions and Correct Answers | Latest Update
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Course
Nelda
Institution
Nelda
If a patient tries to look at the technician during a panoramic radiograph, what will the image
look like?
Teeth large on one side of the image and small on the other side
What is used to take a panoramic radiograph?
Film cassette
The computer used for digital imaging
can be used...
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
NELDA Practice Test 1 Questions and
Correct Answers | Latest Update
If a patient tries to look at the technician during a panoramic radiograph, what will the image
look like?
Teeth large on one side of the image and small on the other side
What is used to take a panoramic radiograph?
Film cassette
The computer used for digital imaging
can be used for other office functions
which way do x-rays travel?
straight line
A radiograph that is too light is most likely an example of what?
Underexposed
A film that is too light is the result of?
Increasing target-to-film distance
A herringbone pattern on low density film is caused by?
Backward placement of the film packet
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, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
Which intraoral radiograph would you use on a patient who needs oral surgery?
Periapical
The speed of film is determined by?
The size of the silver halide crystals
The thyrocervical collar is positioned to cover the?
Throat
Film speed is not determined by?
Black paper in film packet
How many film sizes do you have to choose from with a bitewing radiograph?
4
What size film is used when taking occlusals?
Size 4
What is the benefit of using dual film packets?
Protects pts from unnecessary radiation, cost effective, creates two images in
one exposure
What is the best way to prevent fingerprints on film?
Wear gloves
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, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
What is NOT true of patients who do not have teeth?
They do not need radiographs
A tissue that lies within primary dental beam and is very radiosensitive is the?
Cornea
What should you do for a nervous patient?
Explain the steps of the radiography
What will static electricity cause on a panoramic image?
Black marks
The oldest intraoral radiographic technique is the?
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?
Canine (tooth #6)
What option does digital imaging have that traditionally radiography lacks?
3-D
Long exposure time for dental x-ray film results in?
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