Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 11.2, Problem 16CYP
16. Explain why desiccation and cold are not reliable methods of disinfection but how they can still be effective in microbial control.
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3. For each category of microbial control, list examples.
Sterilization
Disinfection
Sanitization/
Antisepsis/
Degermation
Alcohol
Decontamination
Autoclave
ILLUSTRATIONS:
1. Sterilizers seen in the laboratory and their parts.
Explain why desiccation and cold are not reliable methods of disinfectionbut how they can still be effective in microbial control.
Chapter 11 Solutions
Foundations in Microbiology
Ch. 11.1 - Prob. 1ELOCh. 11.1 - Prob. 2ELOCh. 11.1 - 3. Define and differentiate among the major terms...Ch. 11.1 - 4. Characterize the parameters of microbial death,...Ch. 11.1 - 5. Summarize what factors influence the...Ch. 11.1 - 6. Identify the targets of antimicrobial control...Ch. 11.1 - Prob. 1CYPCh. 11.1 - Prob. 2CYPCh. 11.1 - 3. Contrast various microbes and rate their...Ch. 11.1 - 4. Explain how the types and numbers of...
Ch. 11.1 - Prob. 5CYPCh. 11.1 - Prob. 6CYPCh. 11.1 - Prob. 7CYPCh. 11.1 - Prob. 8CYPCh. 11.2 - Prob. 7ELOCh. 11.2 - Prob. 8ELOCh. 11.2 - Prob. 9ELOCh. 11.2 - 10. Differentiate between thermal death point and...Ch. 11.2 - 11. Describe several moist heat methods and their...Ch. 11.2 - Prob. 12ELOCh. 11.2 - Prob. 13ELOCh. 11.2 - 9. What happens to microbes that encounter...Ch. 11.2 - 10. Summarize the nature, mode of action, and...Ch. 11.2 - 11. Explain the concepts of TDT and TDP, using...Ch. 11.2 - Prob. 12CYPCh. 11.2 - 13. How can the temperature of steam be raised...Ch. 11.2 - Prob. 14CYPCh. 11.2 - Prob. 15CYPCh. 11.2 - 16. Explain why desiccation and cold are not...Ch. 11.3 - Prob. 14ELOCh. 11.3 - 15. Differentiate between ionizing and nonionizing...Ch. 11.3 - Prob. 16ELOCh. 11.3 - Prob. 17ELOCh. 11.3 - Prob. 17CYPCh. 11.3 - Prob. 18CYPCh. 11.3 - 19. What are some advantages and disadvantages of...Ch. 11.3 - Prob. 20CYPCh. 11.3 - Prob. 21CYPCh. 11.4 - Prob. 18ELOCh. 11.4 - 19. Explain the desirable features of...Ch. 11.4 - 20. Describe the types of halogens, their modes of...Ch. 11.4 - 21. Identify the characteristics of phenolic...Ch. 11.4 - 22. Describe the characteristics of oxidizing...Ch. 11.4 - Prob. 23ELOCh. 11.4 - 24. Explain how detergents, soaps, and heavy...Ch. 11.4 - 22. Describe situations that require high-level...Ch. 11.4 - 23. What is the difference between a tincture and...Ch. 11.4 - 24. Define sterilant, and name the principal...Ch. 11.4 - 25. Summarize the chief forms and uses of chlorine...Ch. 11.4 - 26. What are the superior characteristics of...Ch. 11.4 - 27. What are the modes of action of alcohols and...Ch. 11.4 - 28. Why is hydrogen peroxide solution so effective...Ch. 11.4 - 29. Give the uses and disadvantages of the heavy...Ch. 11.4 - 30. What does it mean to say that a chemical has...Ch. 11.L1 - Prob. 1MCQCh. 11.L1 - Prob. 2MCQCh. 11.L1 - Prob. 3MCQCh. 11.L1 - Prob. 4MCQCh. 11.L1 - Prob. 5MCQCh. 11.L1 - Prob. 6MCQCh. 11.L1 - 7. The primary action of ______ heat is to ______....Ch. 11.L1 - Prob. 8MCQCh. 11.L1 - 9. Microbe(s) that is/are the target(s) of...Ch. 11.L1 - 10. Ionizing radiation like _________ removes...Ch. 11.L1 - Prob. 11MCQCh. 11.L1 - Prob. 12MCQCh. 11.L1 - Prob. 13MCQCh. 11.L1 - 14. A chemical with sporicidal properties is a....Ch. 11.L1 - 15. Silver sulfadiazine is used a. in antisepsis...Ch. 11.L1 - Prob. 16MCQCh. 11.L1 - Prob. 17MCQCh. 11.L1 - 1. How would one best describe the state of being...Ch. 11.L1 - Prob. 2CSRCh. 11.L1 - Prob. 3CSRCh. 11.L1 - Prob. 1WCCh. 11.L1 - Prob. 2WCCh. 11.L1 - Prob. 3WCCh. 11.L1 - 4. Think of three situations in which the same...Ch. 11.L1 - 5. Explain what features of endospores make them...Ch. 11.L1 - 6. Explain some of the problems involved in...Ch. 11.L1 - 7. The shelf life and keeping qualities of fruit...Ch. 11.L2 - 1. For each item on the following list, propose a...Ch. 11.L2 - Prob. 2CTCh. 11.L2 - 3. It may seem contradictory that lyophilization...Ch. 11.L2 - 4. A supermarket/drugstore assignment: Look at the...Ch. 11.L2 - 5. Devise an experiment that will differentiate...Ch. 11.L2 - 6. There is quite a bit of concern that chlorine...Ch. 11.L2 - 7. Was the source patient in the case study most...Ch. 11.L2 - 8. Explain why surfactant chemicals are more...Ch. 11.L2 - From chapter 2, figure 2.20. Study this...Ch. 11.L2 - 2. Explain what is happening with this graph that...
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- 4. discuss the disinfection protocols for removing potential pathogens in frequently- used environments.arrow_forward1. Which of the following methods is the best way to sterilize the apparatus used in a surgical operation? A. Pasteurization B. Incineration C. Boiling in water D. Autoclaving E. Disinfect with 75% alcoholarrow_forward48. Selective media is used to distinguish one microorganism type from another growing on the same media : A. False. B. True.arrow_forward
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- 1. What is the hazard of the spattering tendency in heating a wire loop with specimens over a flame? 2. Why is heat a highly effective sterilizing agent?3. Which of the three methods of heat sterilization is the most appropriate and practical to use in sterilizing antibiotic solutions? (Direct flame, Dry heat, Moist heat)arrow_forwardWhat appropriate method should be used in controlling microbial growth in each of the following? 1. Chicken serum 2. Fresh goat milk 3. Nutrient broth 4. Paracetamol 5. Inoculation loobarrow_forward1. What is the purpose for using stains? What microbial characteristics can one ascertain from a simple stain? 2. Why is it necessary to make a heat-fix smear and what are the disadvantage of heat fixing?arrow_forward
- 9. Which is statement below is the correct definition of the Sterility Assurance Limit (SAL). Select ONE answer. O The Sterility Assurance Limit (SAL) is a numerical value that predicts the probability that a microorganism has survived a pasturization process. O The Sterility Assurance Limit (SAL) is a numerical value that confirms that a microorganism has survived a sterilisation process. O The Sterility Assurance Limit (SAL) is a numerical value that predicts the probability thaț a microorganism has survived a sterilisation process. O The Sterility Assurance Limit (SAL) is a numerical value that confirms that a microorganism has survived a pasturization process. O The Sterility Assurance Limit (SAL) is a numerical value that predicts the probability that a microorganism has been erradicated during a sterilisation processarrow_forward. List 2 non-chemical means of disinfection.arrow_forwardName 4 different sterilization/disinfecting methods, how they fight microbes, and rank them in order of the best method to the least effective method.arrow_forward
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