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Chain of Infection

TermDefinition
Chain Of Infection The elements required for an infection to spread from one source to another
Mode Of Transmission The way in which a pathogen moves from its reservoir to a new host
Indirect Contact Interaction with fomites,droplets,and other objects that can cause infection transmission
Direct Contact Physical interaction with an infected patient,surface,fluid,or object that can cause infection transmission
Vectors Animal host
Healthcare Associated Infections/Nosocomial Infections acquired in hospitals or other healthcare facilities
Opportunistic Diseases that take advantage of an already weakened immune system
Microorganisms Disease causing agents
Non-Pathogenic Organisms that do not cause disease,harm,or death to another organism
Pathogenic Causing disease
Aerobic Oxygen requiring
Anaerobic Without oxygen
Bacteria One-celled microorganisms that are so small they can only be seen under a microscope
Protoza Animals that live in infected water supplies or decaying organic matter
Fungi Parasitic microbes that live in soil and on plants
Viruses A very small pathogen that invades and reproduces inside other cells
Parasites A plant or animal organism that lives in or on another and takes its nourishment from that other organism
Aseptic Control Practices used by healthcare professionals to maintain a pathogen-free environment and prevent the transmisson of diseasse
Antisepsis Prevention of infection by inhibiting or arresting the growth and multiplication of germs
Disinfection The use of chemicals to kill pathogens that are present on nonliving objects
Sterilization To make something free from bacteria or other microorganisms
Sterile Technique The practice of using sterilization to prevent the introduction of pathogens during invasive procedures
Standard Precautions Steps that a healthcare worker takes with all patients to prevent the spread of infection
Isolation Precautions Used for infections , diseases,or germs that are spread by touching the patient or items in the room
Blood Borne Pathogen Precautions An approach to infection control to treat all human blood and certain human body fluids as if they were to be infectious with HIV,HBV,and other blood borne pathogens
Vaccinations Injection of a killed microbe in order to stimulate the immune system against the microbe, thereby preventing disease
Created by: kaitlyn.brownlee
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