Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Question
Chapter 12, Problem 9MCQ
Summary Introduction
Introduction:
The technique used to measure the “ability of an antimicrobial agent” to inhibit the microbial growth in vitro is termed as antimicrobial susceptibility test. This ability can be determined either by dilution methods or diffusion method.
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The MIC is the of a drug that is required to inhibit growthof a microbe.a. largest concentration
b. standard dose
c. smallest concentration
d. lowest dilution
Choose the combination of answers that most accurately completes the statement.The MIC is the __________ of a drug that is required to inhibit growth of a microbe. a. largest concentration c. smallest concentration b. standard dose d. lowest dilution
A factor in the zone of inhibition size on the Kirby-Bauer plate is:
a. amount of medium placed on the plate
b. rate of diffusion of the drug used
c. stage of growth of the microbe placed on the plate
d. all of these
Chapter 12 Solutions
Microbiology: A Systems Approach
Ch. 12.1 - State the main goal of antimicrobial treatment.Ch. 12.1 - Identify sources of the most commonly used...Ch. 12.1 - Summarize two methods for testing antimicrobial...Ch. 12.1 - Prob. 4AYPCh. 12.2 - Prob. 5AYPCh. 12.2 - Describe the five major targets of antimicrobial...Ch. 12.2 - Identify which categories of drugs are most...Ch. 12.3 - Prob. 8AYPCh. 12.3 - Trace the development of penicillin...Ch. 12.3 - Prob. 10AYP
Ch. 12.3 - Prob. 11AYPCh. 12.3 - Prob. 12AYPCh. 12.3 - Prob. 13AYPCh. 12.3 - Identify the cellular target of quinolones, and...Ch. 12.3 - Prob. 15AYPCh. 12.3 - Prob. 16AYPCh. 12.3 - Prob. 17AYPCh. 12.3 - Prob. 18AYPCh. 12.3 - Describe two major modes of action of antiviral...Ch. 12.4 - Prob. 20AYPCh. 12.4 - Prob. 21AYPCh. 12.4 - Discuss at least three novel antimicrobial...Ch. 12.5 - Distinguish between drug toxicity and allergic...Ch. 12.5 - Prob. 24AYPCh. 12 - Prob. 1MCQCh. 12 - Prob. 2MCQCh. 12 - Prob. 3MCQCh. 12 - Microbial resistance to drugs is acquired through...Ch. 12 - Prob. 5MCQCh. 12 - Prob. 6MCQCh. 12 - Prob. 7MCQCh. 12 - Which of the following modes of action would be...Ch. 12 - Prob. 9MCQCh. 12 - Prob. 10MCQCh. 12 - Prob. 11TFCh. 12 - Prob. 12TFCh. 12 - Biofilms are difficult to treat and do not always...Ch. 12 - Prob. 14TFCh. 12 - Prob. 15TFCh. 12 - Construct a paragraph describing the...Ch. 12 - Prob. 2CTQCh. 12 - Antibiotic-resistance genes, as well as other...Ch. 12 - Prob. 4CTQCh. 12 - What is the significance of the bottom row in...Ch. 12 - Figure 12.5. Where could penicillinase affect each...Ch. 12 - From chapter 6, process figure 6.14a. Describe as...Ch. 12 - Prob. 1CM
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- A compound synthesized by bacteria or fungi that destroys or inhibitsthe growth of other microbes is a(n)a. synthetic drug b. antibiotic c. antimicrobial drug d. competitive inhibitorarrow_forwardthe following are the steps, listed in random order, for utilizing koch's postulates. what should be the second step out of the four listed? a. a microorganism is found to be present in every case of a disease. b. the same microbe discovered previously is isolated from the purposely infected host c. the pathogen is isolated and grown in pure culture d. the same disease results after isolated organism is inoculated into healthy hostarrow_forwardMass spectrometry identifies microbes via a. fluorescence of antibodies. b. precipitation reactions. c. protein fingerprints. d. fluorescence of antigens.arrow_forward
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- The first step for directly linking a microbe to a specific disease according to Koch's postulates is to A.isolate microbes from the blood of healthy animals. B. culture the blood or other body fluid from a diseased animal using nutrient medium. C. inject a sample of blood or other body fluid from a diseased animal into a healthy animal. D. obtain a sample of blood or other body fluid from a diseased animal.arrow_forwardWhich of the following statements describe a culture or molecular technique in the study of microbes? a Molecular techniques are relatively cheap. b Molecular techniques can be used for mixed cultures. c All statements are acceptable. d Microbial cultivation is costly, time requiring and labor intensive.arrow_forwardA disadvantage of using UV light to control microbes is: '. a. it produces irritable ozone b. it has poor penetrating power c. it can damage the retina of the eye d. all of thesearrow_forward
- Why are endospore vials used to test autoclave function? A. they change color when killed B. they are very resistant life forms C. they are sensitive to pressure changesarrow_forwardBlood agar contains intact sheep red blood cells which are used to determine if a microbe has the ability to lyse these cells. This agar is properly termed A. a selective differential medium B. a complex medium C. a differential medium and a complex medium D. a selective mediumarrow_forwardThe mechanical removal of microbes from a limited area of living tissue is referred to as -- a. None of the above b. disinfection c. pasteurization d. antisepsis e. sterilizationarrow_forward
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