Page 1 of 60
South Carolina Dental Association (SCDA)
Radiation Safety Exam QUESTIONS AND CORRECT
VERIFIED ANS WERS LATEST UPDATE JUST
RELEASED THIS YEAR
Question: Intraoral radiographs - CORRECT ANSWER✔✔the most common type, used to find
cavities, tooth roots, health of the bone, status of developing teeth, monitor tooth health
Question: rectangular collimation - CORRECT ANSWER✔✔exposes tissue 60% less than a round
PID
Question: E-speed and F-speed films - CORRECT ANSWER✔✔reduce dose by 50% compared to
D-speed Films
Question: Bite-Wing Radiograph - CORRECT ANSWER✔✔Intraoral radiograph that shows the
maxillary and mandibular crowns in occlusion
1
SUCCESS!
,Page 2 of 60
Question: Periapical radiograph - CORRECT ANSWER✔✔a dental x-ray that shows the apex of a
tooth and the area surrounding the apex. Looks for problems with the roots or surrounding jaw
as well as cavities
Question: Occlusal radiograph - CORRECT ANSWER✔✔Radiographs that expose the maxillary
or mandibular occlusal surface of the dental arch
Q:What are X-rays? - CORRECT ANSWER✔✔A form of electromagnetic radiation that pass
through the human body to produce images of bone/teeth/nerves
Question: A licensed X-ray employer must - CORRECT ANSWER✔✔take all precautions
necessary to provide protection to all individuals exposed to radiation
Question: Radiographs are used to - CORRECT ANSWER✔✔help a dentist prevent, monitor and
diagnose potential health issues in a patient's mouth
2
SUCCESS!
,Page 3 of 60
Question: X-rays are - CORRECT ANSWER✔✔invisible beans that pass through soft tissue and
are absorbed by dense tissue to produce detailed images
Question: Radiation can - CORRECT ANSWER✔✔Affect body tissues and cells that can carry
hereditary materials for future generations
Question: Intraoral X-rays - CORRECT ANSWER✔✔are the most common type of x-ray, they
give a high level of detail of the tooth, bone and supporting tissues of the mouth.
Question: Adult issues detected by x-rays - CORRECT ANSWER✔✔areas of decay, damages in
filings, possible dental/periodontal disease, infection or nerve death, place or plan bone for
implants
Question: Child and teen issues detected by x-rays - CORRECT ANSWER✔✔find decay, monitor
tooth growth and development, determine if permanent teeth are coming in properly, help plan
braces
3
SUCCESS!
, Page 4 of 60
Question: NCRP - CORRECT ANSWER✔✔National Committee on Radiation Protection
Question: The NCRP has - CORRECT ANSWER✔✔established acceptable levels of ionizing
radiation exposure
Question: MPD - CORRECT ANSWER✔✔maximum permissible dose
Question: The MPD is - CORRECT ANSWER✔✔radiation doses recommended for the general
population, occupational worker and pregnant person
Question: Occupational radiation limit for adults - CORRECT ANSWER✔✔5 rem (0.05Sv), and
10% of that for minors
Question: Radiation dose is - CORRECT ANSWER✔✔a measure of how much energy is
absorbed when something is exposed to x-rays
4
SUCCESS!
South Carolina Dental Association (SCDA)
Radiation Safety Exam QUESTIONS AND CORRECT
VERIFIED ANS WERS LATEST UPDATE JUST
RELEASED THIS YEAR
Question: Intraoral radiographs - CORRECT ANSWER✔✔the most common type, used to find
cavities, tooth roots, health of the bone, status of developing teeth, monitor tooth health
Question: rectangular collimation - CORRECT ANSWER✔✔exposes tissue 60% less than a round
PID
Question: E-speed and F-speed films - CORRECT ANSWER✔✔reduce dose by 50% compared to
D-speed Films
Question: Bite-Wing Radiograph - CORRECT ANSWER✔✔Intraoral radiograph that shows the
maxillary and mandibular crowns in occlusion
1
SUCCESS!
,Page 2 of 60
Question: Periapical radiograph - CORRECT ANSWER✔✔a dental x-ray that shows the apex of a
tooth and the area surrounding the apex. Looks for problems with the roots or surrounding jaw
as well as cavities
Question: Occlusal radiograph - CORRECT ANSWER✔✔Radiographs that expose the maxillary
or mandibular occlusal surface of the dental arch
Q:What are X-rays? - CORRECT ANSWER✔✔A form of electromagnetic radiation that pass
through the human body to produce images of bone/teeth/nerves
Question: A licensed X-ray employer must - CORRECT ANSWER✔✔take all precautions
necessary to provide protection to all individuals exposed to radiation
Question: Radiographs are used to - CORRECT ANSWER✔✔help a dentist prevent, monitor and
diagnose potential health issues in a patient's mouth
2
SUCCESS!
,Page 3 of 60
Question: X-rays are - CORRECT ANSWER✔✔invisible beans that pass through soft tissue and
are absorbed by dense tissue to produce detailed images
Question: Radiation can - CORRECT ANSWER✔✔Affect body tissues and cells that can carry
hereditary materials for future generations
Question: Intraoral X-rays - CORRECT ANSWER✔✔are the most common type of x-ray, they
give a high level of detail of the tooth, bone and supporting tissues of the mouth.
Question: Adult issues detected by x-rays - CORRECT ANSWER✔✔areas of decay, damages in
filings, possible dental/periodontal disease, infection or nerve death, place or plan bone for
implants
Question: Child and teen issues detected by x-rays - CORRECT ANSWER✔✔find decay, monitor
tooth growth and development, determine if permanent teeth are coming in properly, help plan
braces
3
SUCCESS!
, Page 4 of 60
Question: NCRP - CORRECT ANSWER✔✔National Committee on Radiation Protection
Question: The NCRP has - CORRECT ANSWER✔✔established acceptable levels of ionizing
radiation exposure
Question: MPD - CORRECT ANSWER✔✔maximum permissible dose
Question: The MPD is - CORRECT ANSWER✔✔radiation doses recommended for the general
population, occupational worker and pregnant person
Question: Occupational radiation limit for adults - CORRECT ANSWER✔✔5 rem (0.05Sv), and
10% of that for minors
Question: Radiation dose is - CORRECT ANSWER✔✔a measure of how much energy is
absorbed when something is exposed to x-rays
4
SUCCESS!