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requires oxygen to live and grow


can live without oxygen


immunoglobulin produced in response to a specific antigen


antibacterial agent that kills bacteria/suppresses their growth


using methods to prevent infection


the most significant and most commonly observed infection-causing agent


process used to destroy microorganisms; destroys all pathogentic organisms except spores


something that occurs with predictability in one specific region/population


infection in which the causative organism comes from microbial life the person himself/herself harbors


infection in which the causative organism is acquired from outside the host


plant-like organisms (molds & yeasts) that can cause infection

Heath-care associated infection (HAI)

an infection that was not present on admission to the hospital and develops during the course of treatment for other conditions


animal or person on or within which organisms live

Iatrogenic infection

infection that occurs as a result of a treatment/diagnostic procedure


disease state resulting from pathogens in or on the body


protective procedure designed to prevent the transmission of specific microorganisms

Medical Asepsis

practices designed to reduce the number and transfer of pathogens


something originating or taking place in the hospital


disease-producing microorganism

Personal-Protective equipment (PPE)

gloves, gowns, masks, and protective eye gear designed to minimize/prevent the heath-care worker's exposure to infectious material


natural habitat for the growth and multiplication of microorganisms

Standard Precautions

CDC precautions used in the care of all patients regardless of their diagnosis/possible infection status


(1) the process by which all microorganisms including spores are destroyed (2) surgical procedure performance to render a person infertile

Surgical Asepsis

practices that render and keep objects and areas free from microorganisms

Transmission-Based Precautions

CDC precautions used in patients known/suspected to be infected with pathogens that can be transmitted by airborne, droplet, or contact routes


nonhuman carriers, such as mosquitoes, ticks, and lice, that transmit organisms from one host to another


ability to produce disease


smallest of all microorganisms

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