Quiz Latest Version Graded A+
What is the primary source of radiation exposure in dental radiology?
A. The X-ray tube
✔✔B. The patient
C. The radiology technician
D. The dental equipment
What type of radiation is used in dental X-ray machines?
A. Alpha radiation
B. Beta radiation
✔✔C. X-rays
D. Gamma radiation
What should be worn by the patient to reduce radiation exposure during a dental X-ray?
A. Safety goggles
✔✔B. Lead apron
C. Radiation badge
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,D. Mouth guard
What is the recommended distance a radiology technician should maintain from the X-ray
machine during exposure?
A. 2 feet
B. 3 feet
✔✔C. 6 feet
D. 10 feet
Which of the following helps to minimize radiation exposure to the patient during X-ray
procedures?
✔✔A. Using the correct exposure settings
B. Using the largest X-ray field
C. Reducing the lead shielding
D. Increasing the time of exposure
What is the main purpose of the lead-lined barrier or wall in a dental X-ray room?
A. To provide a clean environment
B. To store dental equipment
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, ✔✔C. To protect from scatter radiation
D. To maintain proper temperature
Which of the following is a common method used to reduce patient radiation exposure in dental
radiography?
✔✔A. Using digital radiography
B. Using higher radiation doses
C. Performing unnecessary X-rays
D. Increasing exposure time
What is the significance of collimation in dental radiography?
A. Increases the patient’s exposure
✔✔B. Reduces the size of the X-ray beam
C. Increases the radiation scatter
D. Protects the X-ray tube
How often should a dental radiology unit be inspected for safety and calibration?
A. Every year
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