MODULE TWO
AIM To understand the causes and spread of infection and be able to apply the principles of infection prevention and control
OBJECTIVES To understand the types of micro-organisms and how they grow To be able to identify the types of infections micro-organisms cause
CAUSES OF INFECTION MICRO ORGANISMS CAN BE PATHOGENIC OR NON PATHOGENIC CANNOT BE SEEN BY HUMAN EYE THERE ARE BILLIONS OF THEM
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
Activity Please complete question four in your workbook
GROUPS OF MICRO-ORGANISMS VIRUSES BACTERIAFUNGI PROTOZOA
VIRUSES SMALLEST VARY IN SHAPE NEED A HOST QUICKLY DIE OUTSIDE OF HOST CAN LIE DORMANT THEN BECOME ACTIVE
VIRAL DISEASES MEASLES MUMPS CHICKEN POX HIV INFLUENZA HEPATITIS
THE AIDS VIRUS
THE CHICKENPOX VIRUS
THE FLU VIRUS
BACTERIA LARGER THAN VIRUSES VARY IN SHAPE MILLIONS EXIST ONLY A FEW ARE PATHOGENIC CAN LIVE OUTSIDE HOST CAN LIE DORMANT THEN BECOME ACTIVE
BACTERIAL DISEASES GASTRO ENTERITIS MENINGITIS TUBERCULOSIS PNEUMONIA GANGERENE SYPHILIS
BACTERIAL BLOB
BACTERIAL MENINGITIS
E-COLI BACTERIA
BACTERIAL INFECTION
BACTERIAL MENINGITIS
FUNGI A SIMPLE PLANT A PARASITE CAN BE BENEFICIAL SOME ARE HARMFUL CAN CAUSE ILLNESS AND DEATH
FUNGAL DISEASES ATHLETES FOOT ORAL CANDIDA VAGINAL CANDIDA RINGWORM SKIN DISEASE NAIL DISEASE
FUNGI
RINGWORM
SKIN FUNGUS
TOENAIL FUNGUS
PROTOZOA SMALL PRIMATIVE ANIMAL ONLY ONE CELL LARGER THAN VIRUSES LARGER THAN BACTERIA APPROX 30 HARMFUL PARASITES
PROTOZOA DISEASES MALARIA DYSENTRY TRICHOMONAS TOXOPLASMOSIS CRYPTOSPRIDIUM THREAD WORMS
MOSQUITO
MALARIA
THREADWORMS
HOW TO GROW PATHOGENIC MICRO ORGANISMS PROVIDE TIME PROVIDE WARMTH PROVIDE MOISTURE PROVIDE FOOD
Test your knowledge Please complete the crossword
QUESTIONS
Activity Please complete question five and six in your workbook
THANKYOU