Rad Bio/Protection Final Exam
Questions and Answers Already Passed
What is one way to reduce patient exposure during fluoroscopy?
✔✔ Use pulsed fluoroscopy instead of continuous mode.
What is the main function of radiation monitoring badges?
✔✔ To record and track cumulative radiation exposure of workers.
What is a common biological effect of high radiation doses?
✔✔ Radiation burns or tissue damage.
What is the purpose of a controlled area in radiation facilities?
✔✔ To limit access to areas with higher radiation levels for safety.
What is one key principle of radiation protection for both patients and workers?
✔✔ Justification, ensuring that the benefits outweigh the risks.
1
,What does the term "ionizing radiation" mean?
✔✔ Radiation that has enough energy to remove tightly bound electrons from atoms.
What is the purpose of filtration in X-ray machines?
✔✔ To remove low-energy X-rays that do not contribute to image formation but increase dose.
What type of personal protective equipment is commonly used in nuclear medicine?
✔✔ Lead gloves and aprons.
What is one common symptom of acute radiation syndrome?
✔✔ Nausea and vomiting.
How can radiation scatter be minimized during procedures?
✔✔ By using proper shielding and collimation.
What is the main source of artificial radiation exposure for the general public?
✔✔ Medical imaging procedures, such as X-rays and CT scans.
2
, What is the role of the ICRP in radiation protection?
✔✔ To provide guidelines and recommendations for safe radiation use.
What is the unit used to measure absorbed dose in radiation protection?
✔✔ Gray (Gy)
What is the primary purpose of wearing a lead apron during X-ray procedures?
✔✔ To reduce exposure to scattered radiation.
What does ALARA stand for in radiation protection?
✔✔ As Low As Reasonably Achievable.
What is the annual dose limit for occupational exposure to ionizing radiation for radiation
workers?
✔✔ 50 millisieverts (mSv).
Which part of the body is most sensitive to ionizing radiation?
✔✔ Bone marrow.
3
Questions and Answers Already Passed
What is one way to reduce patient exposure during fluoroscopy?
✔✔ Use pulsed fluoroscopy instead of continuous mode.
What is the main function of radiation monitoring badges?
✔✔ To record and track cumulative radiation exposure of workers.
What is a common biological effect of high radiation doses?
✔✔ Radiation burns or tissue damage.
What is the purpose of a controlled area in radiation facilities?
✔✔ To limit access to areas with higher radiation levels for safety.
What is one key principle of radiation protection for both patients and workers?
✔✔ Justification, ensuring that the benefits outweigh the risks.
1
,What does the term "ionizing radiation" mean?
✔✔ Radiation that has enough energy to remove tightly bound electrons from atoms.
What is the purpose of filtration in X-ray machines?
✔✔ To remove low-energy X-rays that do not contribute to image formation but increase dose.
What type of personal protective equipment is commonly used in nuclear medicine?
✔✔ Lead gloves and aprons.
What is one common symptom of acute radiation syndrome?
✔✔ Nausea and vomiting.
How can radiation scatter be minimized during procedures?
✔✔ By using proper shielding and collimation.
What is the main source of artificial radiation exposure for the general public?
✔✔ Medical imaging procedures, such as X-rays and CT scans.
2
, What is the role of the ICRP in radiation protection?
✔✔ To provide guidelines and recommendations for safe radiation use.
What is the unit used to measure absorbed dose in radiation protection?
✔✔ Gray (Gy)
What is the primary purpose of wearing a lead apron during X-ray procedures?
✔✔ To reduce exposure to scattered radiation.
What does ALARA stand for in radiation protection?
✔✔ As Low As Reasonably Achievable.
What is the annual dose limit for occupational exposure to ionizing radiation for radiation
workers?
✔✔ 50 millisieverts (mSv).
Which part of the body is most sensitive to ionizing radiation?
✔✔ Bone marrow.
3
