SCDA Radiation Safety Exam Questions and Answers 100%
graded to Pass
Who discovered the X-ray?
Wilhelm Rontgen
What can X-rays identify?
Decay damage, change in bone patterns, impacted teeth, cysts, and tumors
X rays are a form of what?
Ionizing radiation
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
Ionizing Radiation
Too much ionization can cause what?
Sickness, cancer, birth defects, and even death.
T or F: Radiation damage happens immediately.
FALSE. Radiation damage is cumulative.
T or F: Any amount of radiation may produce some damage in a person's body
TRUE
T or F: Long term effects of radiation may take days to develop
FALSE. Long term effects take years to develop.
How much radiation should a person limit themselves to?
Maximum Permissable Dose (MPD guidelines) for general populaion, radiation workers, and pregnant
women
Fetal cells are more susceptible to harm during which trimester?
First trimester
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
Doctor's responsibility
It is the ______________________________'s responsibility to avoid giving any unecessary radiation to
the patient
Dental assistant's responsibility
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graded to Pass
Who discovered the X-ray?
Wilhelm Rontgen
What can X-rays identify?
Decay damage, change in bone patterns, impacted teeth, cysts, and tumors
X rays are a form of what?
Ionizing radiation
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
Ionizing Radiation
Too much ionization can cause what?
Sickness, cancer, birth defects, and even death.
T or F: Radiation damage happens immediately.
FALSE. Radiation damage is cumulative.
T or F: Any amount of radiation may produce some damage in a person's body
TRUE
T or F: Long term effects of radiation may take days to develop
FALSE. Long term effects take years to develop.
How much radiation should a person limit themselves to?
Maximum Permissable Dose (MPD guidelines) for general populaion, radiation workers, and pregnant
women
Fetal cells are more susceptible to harm during which trimester?
First trimester
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
Doctor's responsibility
It is the ______________________________'s responsibility to avoid giving any unecessary radiation to
the patient
Dental assistant's responsibility
Page 1 of 4
