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Aerobe A microorganism that needs oxygen to live and grow. Anaerobe A microorganism that grows best in the absence of oxygen Antiseptic An agent that inhibits the growth of or kills microorganisms Asepsis Free from infections or pathogens; actions practiced to keep area free of infection/pathogens Blood Bourne Pathogens Pathogenic microorganisms capable of causing disease that are present in human blood cilia slender, hairlike projections that constantly beat toward the outside to remove microorganisms from the body. contaminate to soil or to make impure. Decontamination The use of physical or chemical means to destroy pathogens on a surface/item to the point where they are no longer capable of transmitting infectious particles. The surface/item is rendered safe for handling, use, or disposal. Exposure Incident A specific Eye, mouth, other mucous membrane, nonintact skin, or other parenteral contact with blood/potentially infectious materials that results from an employees duties Hand Hygiene The process of cleansing or sanitizing the hands heterotrophs organism that uses organic or living substances for food Infection The condition in which the body or part of it is invaded by a pathogen. Microorganism A microscopic plant or animal Nonintact skin Skin that has a break in the surface. It includes, but is not limited to, abrasions, cuts, hangnails, paper cuts, and burns. Nonpathogen A microorganism that does not normally produce disease Occupational Exposure reasonably anticipated skin, eye, mucous membrane, or parenteral contact with blood/potentially infectious materials that may be because of the emlolyees duties Pathogen A disease producing microorganism. parenteral Pertaining to administration other than through the intestinal tract Opportunistic infection an infection that results from a defective immune system that can't defend itself from pathogens. optimum growth temperature temperature at which each microorganisms grows best. Most grow best at 98.6 pH The degree to which a solution is acidic or basic Postexposure prophylasix (PEP) Treatment administered to an individual after exposure to an infectious disease to prevent the disease Regualted Medical Waste (RMW) Any waste that poses a threat to health and safety. Reservoir host The organism that becomes infected by a pathogen and serves as a source of transfer of the pathogen to others. Resident flora (Normal flora) Harmless, nonpathogenic microorganisms that normally reside on the skin and usually do not cause disease. Susceptible Easily affected; lacking resistance Transient Flora Microorganisms that reside on the superficial skin layers and are picked up in the course of daily activities 6 Growth requirements for microorganisms Proper nutrition, oxygen, temperature, darkness, moisture, and pH