1. MODULE TWO

2. AIM To understand the causes and spread of infection and be able to apply the principles of infection prevention and control

3. OBJECTIVES To understand the types of micro-organisms and how they grow To be able to identify the types of infections micro-organisms cause

4. CAUSES OF INFECTION MICRO ORGANISMS CAN BE PATHOGENIC OR NON PATHOGENIC CANNOT BE SEEN BY HUMAN EYE THERE ARE BILLIONS OF THEM

5. Terms colonisation Localised infection Infection Systemic infection The presence of a harmful micro- organism s in the body When micro- organisms multiply in the tissues but cause no signs or symptoms of disease Infection affecting a specific area of the body Infection affecting the whole body

6. Activity Please complete question four in your workbook

7. GROUPS OF MICRO-ORGANISMS VIRUSES BACTERIAFUNGI PROTOZOA

8. VIRUSES SMALLEST VARY IN SHAPE NEED A HOST QUICKLY DIE OUTSIDE OF HOST CAN LIE DORMANT THEN BECOME ACTIVE

9. VIRAL DISEASES MEASLES MUMPS CHICKEN POX HIV INFLUENZA HEPATITIS

10. THE AIDS VIRUS

11. THE CHICKENPOX VIRUS

12. THE FLU VIRUS

13. BACTERIA LARGER THAN VIRUSES VARY IN SHAPE MILLIONS EXIST ONLY A FEW ARE PATHOGENIC CAN LIVE OUTSIDE HOST CAN LIE DORMANT THEN BECOME ACTIVE

14. BACTERIAL DISEASES GASTRO ENTERITIS MENINGITIS TUBERCULOSIS PNEUMONIA GANGERENE SYPHILIS

15. BACTERIAL BLOB

16. BACTERIAL MENINGITIS

17. E-COLI BACTERIA

18. BACTERIAL INFECTION

19. BACTERIAL MENINGITIS

20. FUNGI A SIMPLE PLANT A PARASITE CAN BE BENEFICIAL SOME ARE HARMFUL CAN CAUSE ILLNESS AND DEATH

21. FUNGAL DISEASES ATHLETES FOOT ORAL CANDIDA VAGINAL CANDIDA RINGWORM SKIN DISEASE NAIL DISEASE

22. FUNGI

23. RINGWORM

24. SKIN FUNGUS

25. TOENAIL FUNGUS

26. PROTOZOA SMALL PRIMATIVE ANIMAL ONLY ONE CELL LARGER THAN VIRUSES LARGER THAN BACTERIA APPROX 30 HARMFUL PARASITES

27. PROTOZOA DISEASES MALARIA DYSENTRY TRICHOMONAS TOXOPLASMOSIS CRYPTOSPRIDIUM THREAD WORMS

28. MOSQUITO

29. MALARIA

30. THREADWORMS

31. HOW TO GROW PATHOGENIC MICRO ORGANISMS PROVIDE TIME PROVIDE WARMTH PROVIDE MOISTURE PROVIDE FOOD

32. Test your knowledge Please complete the crossword

33. QUESTIONS

34. Activity Please complete question five and six in your workbook

35. THANKYOU