MIC+101+Exam+1+Version+B+Spring+2011 (1)

MIC+101+Exam+1+Version+B+Spring+2011 (1) - MIC 101 EXAM 1...

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MIC 101 EXAM 1 VERSION B SPRING 2011 1 Midterm examination Spring 2011 For your protection, put your name on the first page and on your SCANTRON together with your I.D. number. There are ten pages to this examination, including the cover page. Answer the questions on the SCANTRON. Select the best answer. Mark your hardcopy with your answers for your records. Hand in the SCANTRON THIS IS EXAM FORMAT B Put this letter on your SCANTRON Before you begin working on your exam, take a moment to review these excerpts from the UC Davis Code of Academic Conduct: All members of the academic community are responsible for the academic integrity of the Davis campus … Examples of academic misconduct include: • receiving or providing unauthorized assistance on examinations • using unauthorized materials during an examination … • altering an exam and submitting it for re-grading … • using false excuses to obtain extensions of time The ultimate success of a code of academic conduct depends largely on the degree to which it is willingly supported by students themselves.
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MIC 101 EXAM 1 VERSION B SPRING 2011 2 True or False (A = True and B = False) 1) Only a small fraction of microorganisms cause infection. T 2) Metabolic pathways rely on many enzymes to synthesize or catabolize substrates to an end product. Within a given metabolic pathway, a product can become another enzyme’s substrate. T 3) Nearly all infectious organisms are chemoheterotrophs. T 4) During the first step of the Ziehl-Neelsen acid-fast staining procedure heated carbolfuschin stains both acid-fast and non-acid fast bacteria. T 5) Quorum sensing is based on cell population densities; that is, certain genes are expressed only when there is a sufficient population density. T 6) Phagocytosis is a type of exocytosis that can be used to defend against infection. F 7) Siderophores are small, high-affinity iron chelating compounds secreted by some pathogenic bacteria that compete with lactoferrin and transferrin for iron. T 8) Endotoxins are lipopolysaccharides, the lipid A component of the cell wall of gram- positive bacteria. F 9) Males and females are equally as likely to acquire urinary tract infections. F 10) Urinary catheters are responsible for most causes of nosocomial UTIs. T Multiple Choice 11) When widespread vaccination is administered to a population as a means of protecting unvaccinated potential hosts, _____ is achieved. A) Immunosuppression B) Super-immunization C) Herd immunity D) Quarantine E) Multi-drug resistance 12) The number of new cases of a particular disease contracted within a defined population in a specific period is referred to as the _____ of the disease. A) Prevalence B) Nosocomial index C) Common source D) Morbidity rate E) Incidence
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MIC 101 EXAM 1 VERSION B SPRING 2011 3 13) Which of the following is characteristic of toxic shock? A) The blood pressure decreases
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MIC+101+Exam+1+Version+B+Spring+2011 (1) - MIC 101 EXAM 1...

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