Questions and Answers with Certified
Solutions
What does the term "absorbed dose" refer to?
A) The amount of radiation emitted from a source
✔✔B) The amount of radiation energy absorbed by a material or tissue
C) The type of radiation used in an experiment
D) The total amount of radiation in the environment
Which of the following is the unit of measurement for absorbed dose?
A) Sievert
✔✔B) RAD
C) Becquerel
D) Gray
What is the purpose of a dosimeter?
✔✔A) To measure the radiation exposure received by a person over a period of time
B) To detect contamination in the environment
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,C) To monitor temperature in radiation areas
D) To measure the energy level of radiation
Which of these materials is commonly used as shielding against beta particles?
✔✔A) Plastic
B) Lead
C) Concrete
D) Steel
What should you do if your dosimeter shows an unusually high reading?
A) Continue working and ignore it
✔✔B) Report it immediately to the Radiation Safety Officer and follow the proper safety
protocols
C) Reset the dosimeter
D) Leave the area without notifying anyone
Why is distance an important factor in radiation protection?
A) Distance does not impact radiation exposure
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, ✔✔B) Increasing distance from a radiation source reduces the exposure based on the inverse
square law
C) Radiation is stronger at greater distances
D) Proximity to the source has no impact on protection
What is the function of the collimator in radiological equipment?
✔✔A) To limit the size and shape of the radiation beam to minimize unnecessary exposure
B) To store radiation for future use
C) To increase the intensity of radiation
D) To detect radiation levels in the environment
What does the term "occupational dose limit" refer to?
A) The maximum amount of radiation a worker is allowed to receive annually
✔✔B) The maximum amount of radiation a worker is allowed to be exposed to during a
specified period
C) The limit on how much radiation can be absorbed in a day
D) The threshold for when workers should take a break from radiation exposure
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