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Definitions for various terms related to microbiology, including pathogens, communicable diseases, pathogenicity, virulence, normal flora, colonization, reservoirs, carriers, toxins, exotoxins, endotoxins, immunity, passive immunity, and active immunity. It also discusses risks for infection from malnutrition, diseases, medications, and medical devices.
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any microorganism (also called agent) capable of producing diseases TERM 2
DEFINITION 2 when something can be transmitted from person to person TERM 3
DEFINITION 3 a microorganisms ability to cause disease TERM 4
DEFINITION 4 a term that indicates communicability and also the severity of the disease TERM 5
DEFINITION 5 each body harbors its own characteristic bacteria
microorganisms that are often pathogenic may be present in the tissues of the host and yet not cause symptomatic disease because of normal flora TERM 7
DEFINITION 7 sources of infectious agents are numerousthe source can be ANIMATE: people animals, insectsORINANIMATE: soil, water, medical equipment (IV solutions, urinary catheters), organic matter (feces, blood) TERM 8
DEFINITION 8 one who harbors an infectious agent without active disease TERM 9
DEFINITION 9 protein molecules released by bacteria to affect host cells at a distant site. TERM 10
DEFINITION 10 produced and released by certain bacteria into the surrounding environmentexamples are botulism, tetanus, diphtheria and E.coli
