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4 marksVectors, Microorganism Control and Immunity

CSEC Human and Social Biology · January 2008 · Paper 2 · Question 13(d)

Creating an educational poster on leptospirosis.

Outline the key information to display regarding: (i) causative agent, (ii) vector/reservoir, and (iii) mode of transmission of leptospirosis.

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Other parts of this question

  1. 13(a)Define the term 'sterilization' in relation to disease prevention.[1 mark]
  2. 13(b)(i)Explain how thermal processing during canning prevents fish spoilage over extended storage.[3 marks]
  3. 13(b)(ii)Name ONE other food preservation method that utilizes high temperatures.[1 mark]
  4. 13(c)(i)Define 'antibiotic' as applied in pharmaceuticals.[2 marks]
  5. 13(c)(ii)Give ONE example of an antibiotic.[1 mark]
  6. 13(c)(iii)Explain how misuse of antibiotics can disrupt the normal gut microbiome.[4 marks]
  7. 13(c)(iv)Explain why antibiotic use must be strictly regulated and prescribed by a physician.[4 marks]

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