MMSC438 Exam 2 Questions And Answers 2022/2023
LRT defense mechanisms - Answer - -competitive inhibition by normal biota -removal of pathogens -immune response bacterial pathogenic mechanisms - Answer - -evasion of host defenses -adhesion to host respiratory (epithelial) cells -toxin production routes of transmission - Answer - -person-to-person -aspiration of endogenous biota -trauma -enviornmental and animal reservoirs -fomites LRT collection - Answer - -oropharyngeal swabs -nasopharyngeal swabs -sinus aspiration candidiasis (culture site) - Answer - swab buccal mucosa, tongue, oropharynx diphtheria (culture site) - Answer - nasopharyngeal or throat swab epiglottitis (culture site) - Answer - blood culture pertussis (culture site) - Answer - posterior nasopharynx swab nasopharyngeal MRSA screening - Answer - swab of nares sinusitis - Answer - -viral infection leading to secondary bacterial infection -common cold (most common): S. pneumonia, H. influenzas, M. catarrhalis -fungi: immunocompromised (opportunistic) -symptoms: facial pain or pressure pharyngitis - Answer - -common in school-aged children -S. pyogenes -treatment: penicillin S. pyogenes - Answer - -GPC -catalase negative -group A strep and b-hemolytic strep -post-streptococcal sequelae -- rheumatic fever diphtheria - Answer - -Corynebacterium diphtheriae -symptoms: sore throat dysphagia -toxin-mediated: ex
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