Other questions in this quiz

2. state the function of a insecticide

  • a Chemical that kills birds
  • A chemical that kills insects
  • A chemical that kills fungi

3. Define the term 'disease'.

  • A micro-organism that affects a host by damaging it
  • A departure from good health , a malfunction of the body / mind
  • An illness that causes symptoms on the body

4. CHD is a disease caused by excess energy intake. What happens to lead to the development of CHD?

  • Excess fats are deposited along the coronary arteries and cause the artery to become narrower and less elasticated so blood pressure drops causing blood flow to be less effective
  • Excess fats taken in get deposited along coronary artery walls leading to atherosclerosis. Blood flow is restricted and cells are starved of oxygen
  • Excess fats are deposited along coronary arteries and cause a blood to become restricted and so a clot forms blocking the artery

5. What the the main types of transmission of diseases?

  • vectors, droplet infection, food contimination
  • physical contact, droplet infection, vectors
  • physical contact, sharing of needles, coughing

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