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Questions and Answers
Which theory suggests that cell damage results when ionising radiation directly hits critical targets within the cell?
Which theory suggests that cell damage results when ionising radiation directly hits critical targets within the cell?
- Cellular Dysfunction theory
- Direct or Target action theory (correct)
- Indirect action or Poison Chemical Theory
- Radiation Absorption theory
What is formed when x-ray photons are absorbed by the water component of a cell according to the text?
What is formed when x-ray photons are absorbed by the water component of a cell according to the text?
- Toxins
- Hydrogen peroxide
- Oxygen radicals
- Free radicals (correct)
Why do most x-ray photons cause little or no damage to the cell according to the text?
Why do most x-ray photons cause little or no damage to the cell according to the text?
- They pass through the cell (correct)
- They cause cellular dysfunction
- They directly hit DNA
- They form free radicals
What is the main cause of injury to the irradiated organism based on the text?
What is the main cause of injury to the irradiated organism based on the text?
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