MHR 711 Lecture Notes - Lecture 4: Surface Tension, Preventive Maintenance, Hypodermic Needle

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Agents - any substances, chemical or biological, to which a human may be exposed at work or at home. Biohazards - hazards created by exposure to infectious microorganisms, proteins, or nucleic acids. Chemical agents - hazards created by exposure to chemicals. Chain of infection -the process and conditions by which biological agents are spread from one host to another. Reservoir - the home or environment where the biological agent grows and multiplies. Portal of exit - the path by which a biohazardous agent leaves its host. Mode of transmission - the means or channel by which an agent is carried from one host to another. Portal of entry - the path by which a biohazardous agent gains access to a new host. Susceptible host - an individual or animal that becomes infected with a biohazardous agent. Natural organisms or products of organisms that present a risk to humans. Legio(cid:374)(cid:374)aires" disease (legionella pneumophila: aids (acquired immunodeficiency syndrome)

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