MMSC 438 Exam 2 Questions & Answers Already Passed
MMSC 438 Exam 2 Questions & Answers Already Passed URT normal biota - ️️ lots of normal biota, particularly in the mouth -viridans strep -nonhemolytic strep -anaerobes -CoNS -diphtheroids -micrococcus -candida (yeast) LRT normal biota - ️️ there is no actual normal biota present -sputum is a common sample that is used, and has to pass through the mouth where it will become contaminated with normal biota -something is only considered a pathogen if it is in greater concentration than a normal biota organism respiratory tract defense mechanisms - ️️ -competitive inhibition: normal flora of the URT and mouth prevent pathogens from establishing themselves -musociliary elevator: ciliated epithelial cells in the URT help push up any pathogens that enter, and remove them by coughing or sneezing -immune response: alveolar macrophages, neutrophils, antibodies and complement kill pathogens in the respiratory tract LRT mandatory reporting - ️️ if isolated in ANY quantity, report
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- 25. november 2023
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