HST REVIEW - 1 aerobic vs anaerobic microorganisms aerobic...

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1. aerobic vs. anaerobic microorganisms aerobic: living only in the presence of oxygen anaerobic: the ability to live without air 2. types of infection re-infection : protect patient from becoming infected a second time by same pathogen cross infection – protect all other patients/staff from infection either new or different pathogen self-inoculation – protects patient from being infected with his/her own organism in new site endogenous – originates with the body exogenous – originates outside the body opportunistic – occurs when body’s defenses are weakened 3. types of transmission airborne bloodborne direct indirect 4. standard precautions include wearing gloves when contacting body fluids containing visible blood wearing gloves to collect spciments wearing gloves when contacting body fluids with no visual blood 5. types of asepsis Antisepsis i. Prevention or inhibiting the growth of pathogens ii. Not effective against spores and viruses iii. Examples: betadine, alcohol Disinfection i. Process destroys pathogens ii. Not always effective against spores and viruses iii. Usually chemical disinfectants are used, irritating or harmful to skin/tissues Sterilization i. Destroys all microorganisms Pathogenic Nonpathogenic a. Spores and viruses ii. Utilize steam under pressure, gas, radiation, chemical Medical Asepsis i. Inhibit or reduce the number of pathogens ii. Not sterile Number one hand washing Surgical asepsis i. Prevents infection before patient is exposed
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ii. Autoclave: steam under pressure 6. transmission based precautions 7. bacteriostatic and bactericidal bacteriostatic – like antisepsis – it reduces the growth of pathogens (nt viruses and spores) bactericidal – like disinfection – kills and destroys most pathogens bt not viruses and spores 8. treatment of specific pathogen 9. level of expertise 10. type of infection look at 5 11. chain of infection causative agent i. pathogen reservoir i. pathogen can live body animals environment portal of exit i. way to escape reservoir mode of transmission i. way in which it is transmitted portal of entry i. way to enter a new reservoir or host susceptible host 12. PPEs 13. Body mechanics The way in which the body moves and maintains balance while making the most efficient use of all its parts Purpose: prevention of injury to yourself and others Reasons: muscles work best when used correctly, correct us of muscles makes lifting, pulling, and pushing easier, and prevents unnecessary fatigue and strain, and saves energy, and injury
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This note was uploaded on 04/20/2011 for the course HIST 2312 taught by Professor Staff during the Spring '08 term at HCCS.

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HST REVIEW - 1 aerobic vs anaerobic microorganisms aerobic...

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