SCDA RADIATION SAFETY EXAM
QUESTIONS AND ANSWERS
Wilhelm Rontgen - Answer-Who discovered the X-ray?
Decay damage, change in bone patterns, impacted teeth, cysts, and tumors - Answer-
What can X-rays identify?
Ionizing radiation - Answer-X rays are a form of what?
Ionizing Radiation - Answer-We can't see or feel this energy but as it moves through the
body, it disrupts atoms in its path, causing them to separate into ions
Sickness, cancer, birth defects, and even death. - Answer-Too much ionization can
cause what?
FALSE. Radiation damage is cumulative. - Answer-T or F: Radiation damage happens
immediately.
TRUE - Answer-T or F: Any amount of radiation may produce some damage in a
person's body
FALSE. Long term effects take years to develop. - Answer-T or F: Long term effects of
radiation may take days to develop
Maximum Permissable Dose (MPD guidelines) for general populaion, radiation workers,
and pregnant women - Answer-How much radiation should a person limit themselves
to?
First trimester - Answer-Fetal cells are more susceptible to harm during which
trimester?
Doctor's responsibility - Answer-It is the __________________'s responsibility to weigh
out the risks to make sure the radiograph is more important than the harm that they
would get
Dental assistant's responsibility - Answer-It is the
______________________________'s responsibility to avoid giving any unecessary
radiation to the patient
shield the patient with the lead shield and make sure patient doesn't need to have
radiographs repeated - Answer-What are two things the dental assistant can do to
protect the patient from unnecessaryratiation exposure?
QUESTIONS AND ANSWERS
Wilhelm Rontgen - Answer-Who discovered the X-ray?
Decay damage, change in bone patterns, impacted teeth, cysts, and tumors - Answer-
What can X-rays identify?
Ionizing radiation - Answer-X rays are a form of what?
Ionizing Radiation - Answer-We can't see or feel this energy but as it moves through the
body, it disrupts atoms in its path, causing them to separate into ions
Sickness, cancer, birth defects, and even death. - Answer-Too much ionization can
cause what?
FALSE. Radiation damage is cumulative. - Answer-T or F: Radiation damage happens
immediately.
TRUE - Answer-T or F: Any amount of radiation may produce some damage in a
person's body
FALSE. Long term effects take years to develop. - Answer-T or F: Long term effects of
radiation may take days to develop
Maximum Permissable Dose (MPD guidelines) for general populaion, radiation workers,
and pregnant women - Answer-How much radiation should a person limit themselves
to?
First trimester - Answer-Fetal cells are more susceptible to harm during which
trimester?
Doctor's responsibility - Answer-It is the __________________'s responsibility to weigh
out the risks to make sure the radiograph is more important than the harm that they
would get
Dental assistant's responsibility - Answer-It is the
______________________________'s responsibility to avoid giving any unecessary
radiation to the patient
shield the patient with the lead shield and make sure patient doesn't need to have
radiographs repeated - Answer-What are two things the dental assistant can do to
protect the patient from unnecessaryratiation exposure?
