infection control vocab Flashcards
prokaryote
A type of cell that does not have a nucleus or other membrane-bound organelles
Example: Bacteria are prokaryotes.
eukaryote
A type of cell that has a nucleus and other membrane-bound organelles
Example: Human cells are eukaryotes.
bacteria
Single-celled microorganisms that can be beneficial or harmful
Example: E. coli is a type of bacteria.
aerobe
An organism that requires oxygen to survive
Example: Humans are aerobes.
anaerobe
An organism that does not require oxygen to survive
Example: Clostridium botulinum is an anaerobe.
morphology
The study of the form and structure of organisms
Example: Morphology can help identify different types of bacteria.
virus
A microscopic infectious agent that can replicate only inside the living cells of organisms
Example: Influenza is caused by a virus.
fungi
A group of organisms that includes yeasts, molds, and mushrooms
Example: Candida albicans is a type of fungi.
protozoa
Single-celled organisms that are classified as part of the protist kingdom
Example: Amoeba is a type of protozoa.
parasite
An organism that lives on or in another organism (the host) and benefits by deriving nutrients at the host’s expense
Example: Malaria is caused by a parasite.
pathogen
A microorganism that can cause disease
Example: Salmonella is a pathogen.
OSHA
Occupational Safety and Health Administration, a federal agency that oversees workplace safety
Example: OSHA sets regulations to protect workers from hazards.
rickettsiae
A type of bacteria that are obligate intracellular parasites
Example: Rocky Mountain spotted fever is caused by rickettsiae.
susceptible
Likely to be affected by a particular condition or pathogen
Example: Infants are more susceptible to infections.
vector
An organism that transmits pathogens from one host to another
Example: Mosquitoes can be vectors for diseases like malaria.