BIOS 242 FINAL EXAM REVIEW

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Definitions to know: • Immunology: Study of the body’s specific defenses against pathogens. • Halophiles: salt lovers environment • Spirochete: Group of helical, Gram-negative bacteria with ax... ial filaments that cause the organism to corkscrew, enabling it to burrow into a host’s tissues. • Mutualism: Symbiotic relationship in which both members benefit from their interaction. • Signs: Objective manifestations of disease observed or measured by others • Symptoms: Subjective characteristics of disease felt only by the patient • Nosocomial disease (healthcare associated disease): A disease acquired in a healthcare facility. • Nosocomial infection (healthcare associated infection): An infection acquired in a healthcare facility. • Sty: Inflamed bacterial infection of the base of an eyelid. Folliculitis Called a sty when it occurs at the eyelid base can spread to surrounding tissues producing furuncles, carbuncles in groups • Lymphangitis: Condition in which inflamed lymphatic vessels become visible as red streaks under the skin. • Candidiasis: Term for several opportunistic diseases caused by infection with Candida species. • Pathogen: A microorganism capable of causing disease. • Zoonoses: Diseases that are naturally spread from their usual animal host to humans. • Fomites: Objects inadvertently used to transfer pathogens to new hosts, such as a glass or towel. • Infections: Successful invasion of the body by a pathogenic microorganism. • Lipid A: The lipid component of lipopolysaccharide, which is released from dead [Show More]

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