5th Edition Microbiology with Diseases by Body System, 5e (Bauman ) Chapter 9 Controlling Microbial Growth in the Environment
exam with complete solutions 9.1 Multiple Choice Questions 1) Washing dishes in the dishwasher with detergent and hot water is a ________ process. A) antiseptic A)disinfecting B)sterilizing C)sanitizing D)degerming Answer: B Bloom's Taxonomy: Comprehension Section: Basic Principles of Microbial Control Learning Outcome: 9.1 2) Which of the following statements is TRUE of disinfectants? A) They are effective in destroying endospores. A)They are used on living tissue. B)They are used for sterilization. C)They are used on inanimate surfaces. D)They are only effective for short periods of time (seconds to minutes). Answer: D Bloom's Taxonomy: Comprehension Section: Basic Principles of Microbial Control Learning Outcome: 9.1 3) You notice a sign in a public restroom that states "Sanitized
for your safety." This means A) sterilizing chemicals have been used in cleaning. A)antiseptics have been used to clean the area. B)degerming methods only have been used to clean the restroom. C)methods of disinfection that meet minimum standards of microbial removal have been used. D)only "organic" chemicals were used in the cleaning process to reduce microbial numbers. Answer: D Bloom's Taxonomy: Comprehension Section: Basic Principles of Microbial Control Learning Outcome: 9.2 4) Which of the following is an example of pasteurization? A) A public toilet is treated with disinfectants. A)A surgeon washes her hands before surgery. B)Heat is used to kill potential pathogens in apple juice. C)An autoclave is used to prepare nutrient agar. D)A nurse prepares an injection site with an alcohol swab. Answer: C Bloom's Taxonomy: Comprehension Section: Basic Principles of Microbial Control Learning Outcome: 9.2 5) Aseptic means A) sterile. A)free of all microbes. B)clean. C)sanitized. D)free of pathogens. Answer: E Bloom's Taxonomy: Knowledge Section: Basic Principles of Microbial Control Learning Outcome: 9.1 6) Methods of microbial control called ________ arrest the growth of microbes. A)microbicial B)microbistatic