Physical Sterilization and Chemical Disinfection that are kill most forms of microorganisms by control growth and metabolisms. Physical sterilization consist of: 1- Heat sterilization (Dry Heat + Moist Heat), 2- Radiation Sterilization (Non-ionizing Radiation + ionizing Radiation), 3- Filter Sterilization (Depth Filter + Membrane Filter + Air Filter). Chemical Disinfection (70% Alcohol + 70% Dettol + 2% Iodine (Betadine) + 5% Chlorine Compounds + 37% Formaldehyde (Formalin) + 5% Phenol Group + 3% Oxidizing Agent + 2% Ethylene Oxides + 2% Glutaraldehyde). Sterile Body Site Called Sterile. Non-Sterile Body Site Called Disinfected or Antiseptic
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