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Questions and Answers
What is a possible source of gamma-rays?
What is a possible source of gamma-rays?
- linear accelerator (correct)
- magnetic resonance
- photomultiplier
- x-ray machine
What occurs in the first stage of interaction of ionizing radiation with a human cell?
What occurs in the first stage of interaction of ionizing radiation with a human cell?
- the destruction of cells
- transfer energy to atom (correct)
- arrest of mitosis
- accelerated cell proliferation
What happens in the second stage of interaction of ionizing radiation with a human cell?
What happens in the second stage of interaction of ionizing radiation with a human cell?
- DNA base damage
- arrest of mitosis
- appear products of radiolysis of water (correct)
- accelerated cell proliferation
What is the result of the third stage of interaction of ionizing radiation with a human cell?
What is the result of the third stage of interaction of ionizing radiation with a human cell?
What is NOT a possible source of gamma-rays?
What is NOT a possible source of gamma-rays?
Which of the following devices produces gamma-rays?
Which of the following devices produces gamma-rays?
What is the initial effect of ionizing radiation on a human cell?
What is the initial effect of ionizing radiation on a human cell?
Which stage of interaction of ionizing radiation with a human cell involves DNA base damage?
Which stage of interaction of ionizing radiation with a human cell involves DNA base damage?
What is NOT a result of the interaction of ionizing radiation with a human cell?
What is NOT a result of the interaction of ionizing radiation with a human cell?
Which of the following is a consequence of the second stage of interaction of ionizing radiation with a human cell?
Which of the following is a consequence of the second stage of interaction of ionizing radiation with a human cell?
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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
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