Radiation Protection & Biology Chapter
7 & 8 Quiz Latest Version Graded A+
Which of the following is considered a deterministic effect of radiation?
A. Cancer
B. Genetic mutations
✔✔C. Skin burns
D. Hereditary disorders
What happens when a cell cannot repair radiation-induced DNA damage?
A. The cell continues to function normally
✔✔B. The cell may die or become cancerous
C. The damage has no effect
D. The cell becomes more resistant to radiation
Which type of radiation damage is most likely to cause long-term health effects?
✔✔A. DNA mutations
B. Loss of cytoplasm
C. Cell membrane rupture
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,D. Increased cell respiration
What is the threshold dose for radiation-induced cataracts?
A. 0.5 Gy
✔✔B. 2 Gy
C. 5 Gy
D. 10 Gy
Which of the following is an example of a stochastic effect of radiation?
✔✔A. Cancer development
B. Skin erythema
C. Hair loss
D. Nausea and vomiting
What is the main function of radiation shielding?
A. To increase radiation absorption
✔✔B. To reduce radiation exposure
C. To enhance radiation penetration
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, D. To eliminate radiation completely
Which part of the body is most sensitive to radiation?
A. Muscles
B. Skin
✔✔C. Bone marrow
D. Lungs
What does LD 50/60 refer to in radiation biology?
A. The amount of radiation needed to cause nausea in 50% of people
✔✔B. The dose required to kill 50% of a population within 60 days
C. The safe exposure limit for workers
D. The dose that will cause permanent blindness
What is the purpose of a radiation dosimeter?
✔✔A. To measure radiation exposure levels
B. To protect against radiation
C. To block harmful rays
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7 & 8 Quiz Latest Version Graded A+
Which of the following is considered a deterministic effect of radiation?
A. Cancer
B. Genetic mutations
✔✔C. Skin burns
D. Hereditary disorders
What happens when a cell cannot repair radiation-induced DNA damage?
A. The cell continues to function normally
✔✔B. The cell may die or become cancerous
C. The damage has no effect
D. The cell becomes more resistant to radiation
Which type of radiation damage is most likely to cause long-term health effects?
✔✔A. DNA mutations
B. Loss of cytoplasm
C. Cell membrane rupture
1
,D. Increased cell respiration
What is the threshold dose for radiation-induced cataracts?
A. 0.5 Gy
✔✔B. 2 Gy
C. 5 Gy
D. 10 Gy
Which of the following is an example of a stochastic effect of radiation?
✔✔A. Cancer development
B. Skin erythema
C. Hair loss
D. Nausea and vomiting
What is the main function of radiation shielding?
A. To increase radiation absorption
✔✔B. To reduce radiation exposure
C. To enhance radiation penetration
2
, D. To eliminate radiation completely
Which part of the body is most sensitive to radiation?
A. Muscles
B. Skin
✔✔C. Bone marrow
D. Lungs
What does LD 50/60 refer to in radiation biology?
A. The amount of radiation needed to cause nausea in 50% of people
✔✔B. The dose required to kill 50% of a population within 60 days
C. The safe exposure limit for workers
D. The dose that will cause permanent blindness
What is the purpose of a radiation dosimeter?
✔✔A. To measure radiation exposure levels
B. To protect against radiation
C. To block harmful rays
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