An organism that can live only in the presence of oxygen
aerobic
an organism that can live in the absence of oxygen
anaerobic
a drug used to kill or suppress the growth of bacteria
antibacterial
a chemical substance produced by one microorganism (or semisynthetic substances prepared in the laboratory) that is capable of killing or suppressing the growth of other microorganisms (bacteria, virus, and fungus)
antibiotic
a trait acquired by microorganisms, either through genetic mutation or by the acquisition of genetic material from other organisms, that allows microorganisms to resist the action of specific antibiotics
antibiotic drug resistance
an infection caused by normal flora bacteria
autogenous infection
an antibacterial agent capable of killing bacteria
bactericidal
an antibacterial agent capable of suppressing the growth/multiplication of bacteria
bacteriostatic
an organism able to live in either the presence or the absence of oxygen
facultative
an initial dose of a drug (larger than subsequent maintenance doses) that is administered to achieve therapeutic levels with only one or two doses of the drug
loading dose
opportunistic infection caused by the overgrowth of microorganisms that are not susceptible to antibacterial therapy