Chapter 26

Antibiotic a substance that kills or inhibits the growth of bacteria	Bacteria unicellular (single-celled) microorganisms. The singular of this term is bacterium	Bactericidal able to kill bacteria	Bacteriostatic suppressing the growth of bacteria
Infection invasion by pathogenic microorganisms, which multiply in a host	Microorganism a life form of microscopic size (not visible to the unaided eye)	Normal flora microorganisms inhabiting the human body that under normal circumstances do not cause illness or disease
Nosocomial acquired in or associated with a healthcare facility	Pathogen organism that causes illness or disease	Resistance the ability of microorganisms to withstand the effects of antibiotics