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Medical-Chp.14 Terms

mode of transmission a way that causative agent can be transmitted to another reservoir or host where it can live
nonpathogens a microorganisms that is capable of causing a disease
microorganism small, living plant or animal not visible to the naked eye; a microbe
fomites any substance or object that adheres to and transmits infectious material
fungi group of simple plant like animals that live on dead organic matter (ex. yeast and molds)
nosocomial protaining to or originating in a health care facility such as a hospital
susceptible host a person likely to get an infection or disease, usually because body defenses are weak
portal of entry a way for causative agent to enter a new reservoir or host
reservoir an area where the causative agent can live; some common reservoirs include the human body, animals, the environment, and fomites
causative agent a pathogen, such as bacterium or virus that can cause a disease
portal of exit a way for causative agent to escape from reservoir in which it has been growing
Hepatitis B serum hepatitis - caused by blood, serum, and other body secretions
Hepatitis C is transmitted by blood and blood containing fluid
Acquired Immune Deficiency Syndrome caused by HIV and suppresses the immune system
disinfection aseptic-control method that destroys pathogens but does not usually kill spores and viruses
contaminated containing infection or infetious organisms or germs
chain of infection factors that lead to the transmission or spread of disease
bacteria one-celled microorganisms, some of which are beneficial and some of which cause disease
bioterroism the use of biological agents, such as pathogens, for terroist purposes
antisepsis aseptic control that inhabits, retards growth of, or kills pathogenic organisms; not effective agaisnt spores and viruses
asepsis being free from infection
endogenous infection or disease originating within the body
exogenous infection or disease originating outside of or external to the body
anaaerobic not requiring oxygen to live and grow; able to thrive in the absence of oxygen
aerobic requiring oxygen to live and grow
protozoa microscopic, one-celled animals oftenvfound in decayed materials and contaminated water
Helminths a parasitic worm (ex. tapeworm or leech)
pathogens disease-producing organism
viruses one of a large group of very small microorganisms, many of which cause disease
rickettsiae parasitic microorganisms that live on other living organisms
opporunisitic an infection that occurs when the body's immune system cannot defend itself from pathogens normally found in the environment
sterile free of all organisms, including spores and viruses
sterilization process that results in total destruction of all microorganisms; also, surgical procedure that prevents conception of child
personal protective equipment (PPE) protective barriers such as mask, gown, gloves, and protective eyewear that help protect a person from contact with infectious material
standard precautions recommendations that must be followed to prevent transmission of pathogenic organisms by way of blood and body fluids
Created by: MichaelaGoff