PreQuiz (See related pages) 1 As described in the case study in this exercise, skin infections among high school wrestlers is known to be quite common. Which microbe(s) were responsible for the outbreak at Tecumseh High School? A) Virus B) Bacteria C) Fungi D) Virus and bacteria E) Virus, bacteria and fungi 2 The overwhelming majority of infections in the clinical environment are due to _________. A) prions B) fungi C) viruses D) bacteria 3 Which microorganisms are the most susceptible to chemical disinfection? A) Gram-positive bacteria B) Gram-negative bacteria C) Mycobacteria 4 The American Official Analytical Chemist’s use-dilution test measures how well a disinfectant works against a high microbial load dried onto a hard, nonporous surface. A) True B) False 5 A student performed the modified use-dilution test described in this exercise, after incubation the nutrient broth appeared cloudy. What does this mean? A) The disinfectant was effective at killing all the bacterial cells on the washer B) The disinfectant was not effective at killing all the bacterial cells on the washer
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