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Edexcel Level 3 BTEC Nationals in Health and Social Care

Edexcel Level 3 BTEC Nationals in Health and Social Care

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UNIT 35: INTRODUCTION TO MICROBIOLOGY FOR HEALTH AND SOCIAL CAREUnit content1 Underst<strong>and</strong> concepts of microbiologyDevelopment of microbiology: theory of spontaneous generation, miasma theory,germ theory; contributions of, eg Robert Hooke, Anton van Leeuwenhoek, EdwardJenner, Louis Pasteur, John Snow, Joseph Lister, Robert KochMicroscopic agents of communicable disease: pathogenic microorganisms —viruses, bacteria, fungi, Protoctista, (eg Protozoa, unicellular green algae),prions; growth — requirements, rate, mechanism of reproduction- viruses: structure, retroviruses, bacteriophages- bacteria: prokaryotic, different types, eg cocci, bacilli, spirilli, vibrio; tox<strong>in</strong>formation, spore formation, plasmids, genetic exchange, pili, flagellae- fungi: eukaryotic, yeasts, moulds- protozoa: eukaryotic, different types, eg Plasmodium, Trypanosoma‘Normal flora’: symbiotic relationship, eg <strong>in</strong> gastro<strong>in</strong>test<strong>in</strong>al tract, respiratorytract, on sk<strong>in</strong>Methods of controll<strong>in</strong>g microorganisms: policies <strong>and</strong> procedures for <strong>in</strong>fectioncontrol- immunisation: eg aga<strong>in</strong>st measles, mumps- chemical: eg dis<strong>in</strong>fectants, antibiotics, antiseptics, salt, acids- temperature: eg refrigeration, freez<strong>in</strong>g, use of autoclave- radiation: eg ultraviolet, gamma- vector control: eg mosquitoes, tsetse flies440BN018467 – Specification – <strong>Edexcel</strong> <strong>Level</strong> 3 <strong>BTEC</strong> <strong>Nationals</strong> <strong>in</strong> <strong>Health</strong> <strong>and</strong> <strong>Social</strong> <strong>Care</strong>– Issue 1 – February 2007 © <strong>Edexcel</strong> Limited 2007

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