Microbiology: A Systems Approach
4th Edition
ISBN: 9780073402437
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 11, Problem 11TF
Summary Introduction
Introduction:
The most common type of the prokaryotes is bacteria. They are found in every existing environment on the earth. Much harmful microbial growth thus is known to spoil food or water and causing infections to humans. There are various controlling methods like sterilization, disinfection, antisepsis and decontamination.
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Chapter 11 Solutions
Microbiology: A Systems Approach
Ch. 11.1 - Distinguish among the terms sterilization,...Ch. 11.1 - Prob. 2AYPCh. 11.1 - Prob. 3AYPCh. 11.1 - Name four categories of cellular targets for...Ch. 11.2 - Prob. 5AYPCh. 11.2 - Prob. 6AYPCh. 11.2 - Define thermal death time and thermal death point,...Ch. 11.2 - Prob. 8AYPCh. 11.2 - Prob. 9AYPCh. 11.2 - Identify advantages and disadvantages of cold...
Ch. 11.2 - Differentiate between the two types of radiation...Ch. 11.2 - Prob. 12AYPCh. 11.2 - Prob. 13AYPCh. 11.3 - Prob. 2CFCh. 11.3 - Name the desirable characteristics of chemical...Ch. 11.3 - Discuss several different halogen agents and their...Ch. 11.3 - List advantages and disadvantages to the use of...Ch. 11.3 - Explain the mode of action of alcohols and their...Ch. 11.3 - Prob. 18AYPCh. 11.3 - Define the term surfactant, and explain this...Ch. 11.3 - Identify examples of some heavy metal control...Ch. 11.3 - Discuss the advantages and disadvantages of...Ch. 11.3 - Prob. 22AYPCh. 11 - Prob. 1CFCh. 11 - Microbial control methods that kill/destroy...Ch. 11 - Sanitization is a process by which a. the...Ch. 11 - Prob. 3MCQCh. 11 - Prob. 4MCQCh. 11 - Prob. 5MCQCh. 11 - The primary mode of action of nonionizing...Ch. 11 - The most practical method of disinfecting...Ch. 11 - A chemical with sporicidal properties is a....Ch. 11 - Prob. 9MCQCh. 11 - Detergents are a. high-level germicides. b....Ch. 11 - Prob. 11TFCh. 11 - Prob. 12TFCh. 11 - Prob. 13TFCh. 11 - Prob. 14TFCh. 11 - Prob. 15TFCh. 11 - Prob. 1CTQCh. 11 - Prob. 2CTQCh. 11 - a.Precisely what is microbial death? b.Why does a...Ch. 11 - Prob. 4CTQCh. 11 - Prob. 5CTQCh. 11 - Prob. 6CTQCh. 11 - Prob. 7CTQCh. 11 - Prob. 8CTQCh. 11 - Tissue transplantation is a procedure that saves...Ch. 11 - Conduct additional research on the use of...Ch. 11 - Prob. 1CCCh. 11 - Prob. 2CCCh. 11 - Prob. 3CCCh. 11 - From chapter 2, figure 2.20. Study this...Ch. 11 - Prob. 2VCCh. 11 - Using the words that follow, please create a...
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- Use of chemical agents to destroy microbes on skin or tissues Reinoval of microbes from surfaces by scrubbing Removal or destruction of all microbes Use of chemical agents to destroy microbes on surfaces used by the public Use of physical/chemical agents to destroy microbes on non-living objects Free of contamination by pathogens Antisepsis (antiseptic) Aseptic Degerming Sanitization Sterilization Disinfectionarrow_forwardWhich of the following terms is an absolute condition? Degermation Disinfection O Sanitization O Sterilizationarrow_forwardSoap and detergents are categorized as which type of antimicrobial chemical? oxidizing agent aldehyde surfactant alcoholarrow_forward
- What statement correctly explains why moist-heat is more effective than dry-heat for sterilization purposes? The microbe's molecules are resistant to alteration in the absence of water. Dry heat will always be a lower temperature than moist heat. Dry heat dehydrates the microbes, and dehydration is a method of preserving microbes. Water is a good conductor of heat.arrow_forwardIn the laboratory, autoclaving is required to prepare media for the growth of microorganism. What type of method of control does this involve? Dry Heat Moist Heat Chemical Radiation All of the optionsarrow_forwardDefine sterilant, disinfectant, sanitizer, antiseptic, germicide and bacteriostatic.arrow_forward
- List the microbial targets of disinfecting chemicals, how that affects the microbe, and provide one example of a chemical agent that affects that structure.arrow_forwardList two methods of high level disinfection.arrow_forwardThe inhibition of bacterial growth and reproduction without necessarily destroying the organisms is the result of a disinfectant a sterilant a bactericide an antisepticarrow_forward
- Which process gets rid of the most germs on a surface? decontamination disinfection sterilizationarrow_forwardIn a clinical laboratory, all microbes contained in a clinical sample are isolated and identified. In a clinical laboratory, all microbes contained in a clinical sample are isolated and identified. True Falsearrow_forwardBesides dehydrated foods, how might the amount of water available to microbes be decreased? Group of answer choices Treatment by non-ionizing radiation. Treatment at high pressures for extended periods of time. Storage at temperatures between -2 and 4 °C. Pasteurization Addition of solutes such as salt or sugar.arrow_forward
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