What is radiation biology?

Fundamentals of Radiation Biology

Quiz
•
Health Sciences
•
University
•
Hard
NUR HAMIZAH MOHD ZAINUDIN
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An analysis of radiation levels in urban environments.
The study of non-ionizing radiation effects on technology.
The examination of radiation in outer space.
Radiation biology is the study of the effects of ionizing radiation on living organisms.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the difference between ionizing and non-ionizing radiation.
Ionizing radiation is always harmful; non-ionizing radiation is always safe.
Non-ionizing radiation can ionize atoms; ionizing radiation cannot.
Both types of radiation can ionize atoms under certain conditions.
Ionizing radiation can ionize atoms; non-ionizing radiation cannot.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the primary effects of radiation on living cells?
Improved immune response to infections
Enhanced cell growth and division
Increased energy production in cells
The primary effects of radiation on living cells include DNA damage, mutations, and cell death.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of dose-response relationship in radiation exposure.
The dose-response relationship shows that all doses of radiation are equally harmful.
The dose-response relationship indicates that higher radiation doses generally lead to greater biological effects.
The dose-response relationship is irrelevant in understanding radiation exposure.
Lower doses of radiation always result in more severe biological effects.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the linear no-threshold model?
The LNT model suggests that there is no safe level of radiation exposure, impacting health regulations and safety practices.
The LNT model is only applicable to high doses of radiation exposure.
The LNT model indicates that low levels of radiation are completely safe.
The LNT model suggests that radiation exposure has no impact on health regulations.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does radiation affect DNA and genetic material?
Radiation damages DNA by breaking bonds and generating free radicals, leading to mutations.
Radiation has no effect on DNA or genetic material.
Radiation enhances DNA repair mechanisms, preventing mutations.
Radiation only affects RNA, leaving DNA intact.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the common sources of radiation exposure in everyday life?
Household appliances
Cosmetic products
Food and beverages
Natural background radiation, medical procedures, and man-made sources.
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