Classes of
Microorganisms
Microorganisms
bacteria that are spiral or corkscrew shaped.
spirilla
What are infections that originate outside the body called?
Exogenous
This is a way for the infectious agent to get into a new reservoir or host.
Portal of Entry
These include alcohol and betadine, but are not effective against spores and viruses.
Antiseptics or antisepsis
The absence of pathogens
Asepsis
An organism that lives in or on another organism of a different species and gets its nutrients from the host organism.
Parasite
Pathogens that originate inside the body are called what?
Endogenous
This is the sequence of events necessary for disease transmission.
Chain of Infection
What are medicines that are used to kill bacteria called?
Antibiotics
Anthrax, smallpox, and botulism are all high priority agents used in.....
Bioterrorism
These are simple, plant-like organisms that live on dead organic matter, including yeasts and molds.
Fungi
A pathogen that is resistant to multiple drugs and cause severe infection is called a .......
Superbug
A person who is likely to get an infection or disease, usually because the body defenses are weak.
susceptible host
A process that uses chemicals to destroy or kill pathogenic organisms.
Disinfection
Aseptic techniques are used in healthcare settings to prevent the spread of what?
Pathogenic microorganisms / pathogens / germs
These are a class of microorganism that are parasitic and commonly found in fleas, lice, ticks, and mites.
Rickettsiae
These are infections that occur when the body's defenses are weak.
Opportunistic
Name 4 links in the chain of infection.
Infectious agent, reservoir, portal of exit, mode of transmission, portal of entry susceptible host
Process that destroys all microorganisms including spores and viruses.
Sterilization
Bioterrorism is the use of microorganisms as weapons to infect _________, ___________, and ________.
humans, animals, and plants
One-celled animal-like organisms often found in decayed materials, including animal or bird feces and contaminated water.
Protozoa
These were previously called nosocomial or hospital-acquired infections.
Healthcare-Associated Infection (HAI)
Name one way to break the chain of infection and which link it breaks.
Hand washing- mode of transmission,
Gloves, mask, PPE- mode of transmission or portal of entry
Vaccine- susceptible host
Antibiotics- infectious agent
Device that sterilizes using steam under pressure.
Autoclave
List 3 types of standard precautions.
handwashing/ hand hygiene, gloves, mask, eye/face shield, PPE, sharps protocols....