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6. Which of these is a bodily line of defence for the entry of pathogens?
- Stomach Acid.
- Amylase.
- Intestinal Acid
7. Disease occurs when....
- An infection leads to recognisable symptoms in a host.
- A pathogen releases toxins to damage host tissue.
- A pathogen enters the body.
- A bacterium destroys all host tissue.
8. The measurement of risk is between 0-10
9. The measurement of risk is between 0-100%
10. The measurement of risk is shown in a ratio
11. Is risk relative?
- NO!
- OFTEN!
- YES!
- NOT SO OFTEN!
12. Health risks always need a time scale
13. How can you reduce the risk of cancer and CHD?
- Avoid excess wieght gain
- Taking regular exercise.
- All of the above.
- Reducing salt intake.
- Avoid smoking