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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

  • False
  • True

9. The measurement of risk is between 0-100%

  • True
  • False

10. The measurement of risk is shown in a ratio

  • False
  • True

11. Is risk relative?

  • NO!
  • OFTEN!
  • YES!
  • NOT SO OFTEN!

12. Health risks always need a time scale

  • True
  • False

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