Dose limits for Exposure to Ionizing Radiation Questions

Question 1

Which of the following agencies is responsible  for enforcing radiation safety standards?
A. ICRP
B. NRC
C. NCRP
D. UNSCEAR

Answer 1

B. NRC

Question 2

Determine the cumulative effective dose to the whole body of an occupationally exposed person who is 27 years old
A. 2700 mSv
B. 270 mSv
C. 27 mSv
d. 2.7 mSv

Answer 2

B. 270 mSv

Question 3

Biologic effects such as cataracts that result from exposure to ionizing radiation appear to have which of the following?
A. Circular dose-responce threshold relationship
B. Linear non-threshold dose pattern
C. Sigmoid threshold dose-response curve
D. Sigmoid non-threshold dose-response relationship

Answer 3

C. Sigmoid threshold dose-response curve

Question 4

For radiation workers, such as medical imaging personnel, occupational risk may be equated with occupational risk in which of the following?
A. Other industries that are generally considered reasonably safe
B. Somewhat hazardous industries
C. Hazardous industries
D. Extremely hazardous industries

Answer 4

A. Other industries that are generally considered reasonably safe

Question 5

Responsibilities of a medical facility’s radiation safety officer (RSO) include which of the following?
1. Developing an appropriate radiation safety program
2. Maintaining radiation monitoring records for all personnel
3. Repairing all broken or defective imaging equipment
A. 1 & 2 only
B. 1 & 3 only
C. 2 & 3 only
D. 1,2, and 3

Answer 5

A. 1 & 2 only