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46 Cards in this Set

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The cleaning process employed in an ultrasonic unit; bubbles explode to drive the cleaning solution onto the article being cleaned.
cavitation
An organism that requires oxygen to live and grow.
aerobic
The pathogen that causes a disease.
causative agent
The end-stage disease caused by the human immunodeficiency virus (HIV).
acquired immune deficiency syndrome (AIDS)
Factors that lead to the transmission or spread of disease.
chain of infection
A piece of equipment used to sterilize articles by way of steam under pressure.
autoclave
The use of chemicals--but no heat--to disinfect instruments that do not require sterilization.
chemical disinfection
Simple, one-celled microorganisms that multiply rapidly; some are beneficial and others are pathogenic (disease producing).
bacteria
A large group of very small microorganisms that cause many diseases, including mumps, measles, and chicken pox.
viruses
Being free from infection.
asepsis
Specialized isolation techniques used for patients infected with, or suspected of being infected with, pathogens that are spread by airborne transmission.
airborne precautions
An organism that does not require oxygen to live and grow; able to thrive in the absence of oxygen.
anaerobic
A piece of equipment that cleans with the use of sound waves traveling through fluid.
ultrasonic unit
Without symptoms; not displaying symptoms
asymptomatic
Prevention of infection by inhibiting the growth of pathogenic organisms.
antisepsis
Bacteria organized into clusters that produce pus in wound and skin infections.
staphylococci
Small, living plant or animal not visible to the naked eye.
microorganism
The liver disorder that is caused by the hepatitis C virus and transmitted by blood, serum, and other body secretions.
hepatitis C
An area that is set up for certain procedures and is free from all organisms.
sterile field
Parasitic microorganisms that must live on other living organisms and cause diseases such as Rocky Mountain spotted fever.
rickettsiae
Methods used to protect certain patients from any pathogens that may be present in the environment; also known as reverse isolation.
protective isolation
A location where pathogens (causative agents) can live. Common reservoirs include the human body, animals, the environment, and fomites.
reservoir
Specialized techniques of caring for patients with communicable diseases that are designed to prevent the spread of these diseases to other patients.
isolation
Microscopic, one-celled animals often found in decayed materials and contaminated water that cause malaria, amebic dysentery, and trichomonas.
protozoa
The liver disorder that is caused by the hepatitis B virus and transmitted by blood, serum, and other body secretions.
hepatitis B
Methods used to protect certain patients from any pathogens that may be present in the environment; also known as protective isolation.
reverse isolation
The manner in which a communicable disease is transmitted.
mode of transmission
Simple, plantlike organisms that live on dead organic matter; the two most common types are yeasts and molds
fungi
An infection acquired in a hospital or heath care facility.
nosocomial
The use of gloves, masks, goggles, and/or gowns to protect health care personnel from exposure to pathogens and contaminated substances.
personal protective equipment (PPE)
Substances or objects that adhere to and transmit infectious materials.
fomites
Human immunodeficiency virus; the causative agent of AIDS.
HIV
Infection or disease originating outside of or external to the body.
exogenous
Infection that occurs when the body has been weakened by another disease.
opportunistic infection
Infection or disease originating within the body.
endogenous
The process that results in the total destruction of all microorganisms.
sterilization
The point at which pathogens enter the body.
portal of entry
Disease-producing organisms.
pathogens
Recommendations that must be followed to prevent the transmission of pathogenic organisms by way of blood and body fluids.
standard precautions
Microorganisms that are not capable of causing diseases in humans.
nonpathogens
The point at which pathogens leave the body.
portal of exit
Free of all organisms, including spores and viruses.
sterile
Methods of caring for patients who have communicable diseases.
transmission-based isolation precautions
An individual who is likely to be infected by a specific pathogen; often one who is weakened by another condition.
susceptible host
Poisonous substances.
toxins
Round bacteria organized into chains that cause severe sore throat and rheumatic fever.
streptococci