10 Questions
What is a possible source of gamma-rays?
linear accelerator
What occurs in the first stage of interaction of ionizing radiation with a human cell?
transfer energy to atom
What happens in the second stage of interaction of ionizing radiation with a human cell?
appear products of radiolysis of water
What is the result of the third stage of interaction of ionizing radiation with a human cell?
DNA base damage
What is NOT a possible source of gamma-rays?
magnetic resonance
Which of the following devices produces gamma-rays?
Linear accelerator
What is the initial effect of ionizing radiation on a human cell?
Transfer of energy to an atom
Which stage of interaction of ionizing radiation with a human cell involves DNA base damage?
Third stage
What is NOT a result of the interaction of ionizing radiation with a human cell?
Cell differentiation
Which of the following is a consequence of the second stage of interaction of ionizing radiation with a human cell?
Radiolysis of water
Study Notes
Sources of Gamma-Rays
- Gamma-rays are produced by linear accelerators and decay
- X-ray machines do not produce gamma-rays
- Photomultiplier and magnetic resonance are not sources of gamma-rays
First Stage of Interaction of Ionizing Radiation with Human Cell
- During the first stage, ionizing radiation transfers energy to atoms
- This stage does not involve the destruction of cells, appearance of radiolysis products, arrest of mitosis, or accelerated cell proliferation
Second Stage of Interaction of Ionizing Radiation with Human Cell
- In the second stage, radiolysis of water occurs, producing radiolysis products
- This stage does not involve the transfer of energy to atoms, destruction of cells, arrest of mitosis, or accelerated cell proliferation
Third Stage of Interaction of Ionizing Radiation with Human Cell
- The third stage involves DNA base damage
- This stage does not involve the transfer of energy to atoms, destruction of cells, appearance of radiolysis products, or accelerated cell proliferation
Sources of Gamma-Rays
- Gamma-rays are produced by linear accelerators and decay
- X-ray machines do not produce gamma-rays
- Photomultiplier and magnetic resonance are not sources of gamma-rays
First Stage of Interaction of Ionizing Radiation with Human Cell
- During the first stage, ionizing radiation transfers energy to atoms
- This stage does not involve the destruction of cells, appearance of radiolysis products, arrest of mitosis, or accelerated cell proliferation
Second Stage of Interaction of Ionizing Radiation with Human Cell
- In the second stage, radiolysis of water occurs, producing radiolysis products
- This stage does not involve the transfer of energy to atoms, destruction of cells, arrest of mitosis, or accelerated cell proliferation
Third Stage of Interaction of Ionizing Radiation with Human Cell
- The third stage involves DNA base damage
- This stage does not involve the transfer of energy to atoms, destruction of cells, appearance of radiolysis products, or accelerated cell proliferation
Quiz on the basics of ionizing radiation, including sources of gamma-rays and stages of interaction with human cells.
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