aerobic
needing air
anaerobic
needing very little to no air
vegetative state
state of active growth in microorganisms
binary fission
cell division used by bacteria to reproduce
micron
1/25,000 of an inch or 1/1,000 of a milimeter
Acid Fast Stain
bacteria staining process that uses methylene blue
Gram Stain
bacteria staining process that stains pink or purple indicating a gram positive or gram negative microorganism
pH
measure of alkalinity and acidity
cocci / coccus
round shaped bacteria
bacillus
rod shaped bacteria
spirilla
spiral shaped bacteria
MDRO
multi-drug resistant organism: bacteria that can withstand medication/antibiotics
HAI
health-care associated infection: an infection acquired while under care at a healthcare facility
SSI
surgical site infection: an infection that develops around the site of surgery
asepsis
The absence of disease causing microorganisms
Aseptic technique
all activities done to achieve asepsis
medical asepsis
clean technique: activities to reduce the number of microorganisms
surgical asepsis
surgical technique: activities to eliminate the presence of microorganisms
fomite
an inanimate object that can transmit microorganisms
causative agent
the microorganism which causes an infection
reservoir
a place where a pathogen survives/lives
portal of exit
how the pathogen leaves its reservoir and host
mode of transmission
how a pathogen travels outside of a host
portal of entry
how a pathogen enters a new host
susceptible host
a person who will get sick after infection