Questions and Answers Graded A+
Which type of radiation requires the most shielding?
A. Alpha radiation
B. Beta radiation
✔✔C. Gamma radiation
D. Ultraviolet radiation
Which of the following is an example of a personal dosimeter?
A. Lead apron
✔✔B. Thermoluminescent dosimeter (TLD)
C. Radiation survey meter
D. Ionization chamber
What should be done if a radiation spill occurs?
A. Leave the area immediately and ignore the spill
B. Attempt to clean it without any protection
✔✔C. Notify the radiation safety officer and follow protocols
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,D. Wait for the spill to disappear on its own
What is the purpose of wearing a lead apron during radiation exposure?
A. To absorb all radiation completely
B. To reflect radiation away from the body
✔✔C. To reduce the amount of radiation reaching vital organs
D. To make the wearer feel safer without actual protection
Which factor has the greatest impact on reducing radiation exposure?
✔✔A. Increasing distance from the source
B. Holding your breath during exposure
C. Wearing sunglasses to block radiation
D. Standing as close as possible to the source
What is the best way to monitor radiation exposure over time?
A. Using a stopwatch during exposure
✔✔B. Wearing a personal dosimeter
C. Taking an annual radiation quiz
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, D. Checking for visible signs of radiation on the skin
Why is radiation exposure measured in Sieverts (Sv)?
✔✔A. It quantifies the biological effect of radiation on human tissue
B. It measures the temperature increase caused by radiation
C. It tracks how fast radiation moves
D. It determines the color of radiation
Which of the following is a stochastic effect of radiation exposure?
A. Immediate burns on the skin
B. Hair loss occurring within hours
C. Sudden nausea after exposure
✔✔D. Increased risk of cancer over time
Why is time an important factor in radiation protection?
A. Longer exposure times allow the body to build immunity
B. More time near a source reduces radiation intensity
✔✔C. Reducing time of exposure decreases total radiation dose
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