Microbiology for Nursing Students: 1. Introduction to Microbiology
Microbiology Introduction For Nursing Students
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UNIT – IINTRODUCTION
By:Mrs. Kalaivani Sathish
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IMPORTANCE & RELEVANCETO
NURSING
• Microbiology is a subject which deals with microbes and their related concepts
• Nurses are involved in controlling infection in hospital, so nurses must know about microbiology.
• To know about harmful and harmless microorganisms to human being.
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• Nurses apply the microbiology knowledge in health care for drug production, diagnosis and sterilization methods and cleanliness.
• Nurses use hot water or anti-septic as a measure to sterilize the surgical knives, needles, scissors and other metals instruments
• Microbiology also gives knowledge to nurses on how to handle a patient and his samples infected with communicable diseases. to free from microbes.
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• It also helps detect diseases like Tuberculosis by simple skin test namely the Mantoux test.
• Also diagnostic tests like Elisa, electrophoreis and radioimmuno assay also use principles of microbiology for identification of disease.
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PRINCIPLES OF
MICROBIOLOGY
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HISTORICAL PERSPECTIVES
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Koch’s Phenomenon
• Koch observed that guineapigs already infected with tubercle bacillus responded with an exaggerated inflammatory response when injected with the tubercle bacillus or its protein. This hypersensitivity reaction is called Koch’s phenomenon.
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Koch’s Postulates• Four criteria that were established by Robert Koch to identify
the causative agent of a particular disease, these include:1. The microorganism or other pathogen must be present in all cases of the
disease.2. The pathogen can be isolated from the diseased host and grown in pure
culture.3. The pathogen from the pure culture must cause the disease when inoculated
into a healthy, susceptible laboratory animal4. The pathogen must be reisolated from the new host and shown to be the
same as the originally inoculated pathogen
•