Unit 3: Ionising Radiation Pollution - Effects
- Created by: rosieevie
- Created on: 10-04-15 21:42
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- Effects of Ionising Radiation
- Free radicals produced in living tissue which cause damage
- Damage to cell nucleus
- Affects both existing cell and all future cells produced by mitosis
- Rapidly dividing cells more affected e.g. skin/gut
- Damage to egg/sperm may affect future children (GONADIC EFFECT)
- Damage to other parts of the cell
- Cell unable to function properly and die
- Low levels may cause no long-term effects - intact nucleus coordinates repairs
- Short-time period dose = more damage as more free-radical interactions and cells have less time to repair
- Large doses = rapid death
- Somatic effects - damage to general body cells
- Chronic effects - slow appearing effects
- Acute effects - quick appearing effects
- Contamination - when something comes into direct contact with radiation source and picks up material. Affected even after its moved away
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