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 12.2, Problem 11CYP
Why do the penicillin and cephalosporin groups of drugs have milder toxicity than other antibiotics? What are their primary side effects?
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Chapter 12 Solutions
Foundations in Microbiology
Ch. 12.1 - State the goals of antimicrobial therapy.Ch. 12.1 - Discuss the origins of antimicrobial drugs.Ch. 12.1 - Differentiate between antibiotics, synthetic...Ch. 12.1 - Describe some of the special strategies of...Ch. 12.1 - Explain what is meant by a drug's spectrum and how...Ch. 12.1 - Summarize the five modes of action of...Ch. 12.1 - Differentiate between antibiotics and synthetic...Ch. 12.1 - Differentiate between narrow-spectrum and...Ch. 12.1 - Can you determine why some drugs have narrower...Ch. 12.1 - What is the major source of antibiotics and what...
Ch. 12.1 - Prob. 5CYPCh. 12.1 - Prob. 6CYPCh. 12.1 - Explain the major modes of action of antimicrobial...Ch. 12.1 - Explain the concept of competitive inhibition, and...Ch. 12.1 - What would be the extended effects of drugs that...Ch. 12.2 - Describe the classes of antibacterial drugs that...Ch. 12.2 - Prob. 8ELOCh. 12.2 - Indicate which types of antibacterial drugs block...Ch. 12.2 - Describe some new classes of antibacterial drugs...Ch. 12.2 - Construet a chart that summarizes the modes of...Ch. 12.2 - Why do the penicillin and cephalosporin groups of...Ch. 12.3 - Categorize antimicrobial drugs that are effective...Ch. 12.3 - Prob. 12ELOCh. 12.3 - Prob. 13ELOCh. 12.3 - Prob. 14ELOCh. 12.3 - Prob. 12CYPCh. 12.3 - Explain why there are fewer antifungal,...Ch. 12.3 - Prob. 14CYPCh. 12.3 - Summarize the origins and biological actions of...Ch. 12.4 - Describe the development of microbial drug...Ch. 12.4 - Explain the major mechanisms by which microbes...Ch. 12.4 - Review some of the ways to reduce levels of drug...Ch. 12.4 - Discuss how drug resistance spreads through a...Ch. 12.4 - Prob. 16CYPCh. 12.4 - Prob. 17CYPCh. 12.4 - Outline several situations or events that increase...Ch. 12.4 - Prob. 19CYPCh. 12.5 - Summarize the adverse effects of drugs on the...Ch. 12.5 - Describe some of the toxic effects of drugs on...Ch. 12.5 - Prob. 21ELOCh. 12.5 - Explain the ways in which drugs alter the normal...Ch. 12.5 - Prob. 20CYPCh. 12.5 - Prob. 21CYPCh. 12.5 - Prob. 22CYPCh. 12.5 - Prob. 23CYPCh. 12.6 - Prob. 23ELOCh. 12.6 - Describe the principles behind sensitivity testing...Ch. 12.6 - Explain the uses of the minimum inhibitory...Ch. 12.6 - Prob. 26ELOCh. 12.6 - Prob. 27ELOCh. 12.6 - Prob. 24CYPCh. 12.6 - Briefly describe the Kirby-Bauer test and its...Ch. 12.6 - Prob. 26CYPCh. 12.6 - Prob. 27CYPCh. 12.6 - Discuss the general factors to consider in...Ch. 12.L1 - A compound synthesized by bacteria or fungi that...Ch. 12.L1 - Which statement is not an aim in the use of drugs...Ch. 12.L1 - Microbial resistance to drugs is acquired through...Ch. 12.L1 - R factors are ________ that contain a code for...Ch. 12.L1 - When a patient's immune system becomes reactive to...Ch. 12.L1 - An antibiotic that disrupts the normal flora can...Ch. 12.L1 - Prob. 7MCQCh. 12.L1 - Prob. 8MCQCh. 12.L1 - Prob. 9MCQCh. 12.L1 - Which of the following modes of action would be...Ch. 12.L1 - The MIC is the of a drug thal is required to...Ch. 12.L1 - An antimicrobial drug with a ________ therapeutic...Ch. 12.L1 - Matching. Select the mode of action for each drug...Ch. 12.L1 - What was the purpose of giving postexposure...Ch. 12.L1 - What is a probable reason that tuberculosis...Ch. 12.L1 - Summarize the major problems with drug therapy as...Ch. 12.L1 - Using the diagram as a guide, briefly explain how...Ch. 12.L1 - Observe table 12.4 with regard to type of microbe...Ch. 12.L1 - Drugs are often given to patients before going...Ch. 12.L1 - Write an essay covering some of the main concerns...Ch. 12.L1 - Prob. 5WCCh. 12.L1 - Explain the kinds of tests that would...Ch. 12.L1 - Summarize the primary reasons that we find...Ch. 12.L2 - In 2015 the WHO surveyed 10,000 people on the...Ch. 12.L2 - Explain a simple test one could do to determine if...Ch. 12.L2 - Prob. 3CTCh. 12.L2 - You have been directed to take a sample from a...Ch. 12.L2 - From the results shown in figure 12.21, determine...Ch. 12.L2 - Explain why drugs that interfere with the...Ch. 12.L2 - In cases in which it is not possible to culture or...Ch. 12.L2 - Reviewing drug characteristics, choose an...Ch. 12.L2 - a. Using table 12.10 as a reference, find and...Ch. 12.L2 - For the following figures a-e, research the...
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- For each of the following antibiotics, give the spectrum, primary effect and briefly explain the mechanism of action: 1) Penicillins 2) Po1yrrryxin B 3) Vancomycin 4) Tetracyclinsarrow_forwardThe question below is one question I just separated the question marks 1) How are antibiotics, as a class of drugs, unique? 2)How does this facilitate resistance? 3)How are antibiotics misused?arrow_forwardDescribe five modes of action for antibiotics. For each, provide one example.arrow_forward
- For each of the following antibiotics, identify its mechanism of action. Antibiotic Mechanism of Action Erythromycin Aminoglycosides Linezolid Sulfonamides Penicillins Vancomycin Polymyxins Rifampin Quinolonesarrow_forwardWhat are some of the disadvantages of using natural penicillin for treatment of infections?arrow_forwardMany antibiotics used in modern medicine are compounds made by fungi that inhibit bacterial protein synthesis. Describe the specific effect of the following antimicrobial drugs: (i) Tetracycline (ii) Puromycin (iii) Alpha-Amanitinarrow_forward
- Which of the following is true of selective toxicity? O 1) It refers to the process of determining the correct dose of a particular drug O 2) To be effective, an antimicrobial agent must be more toxic to the patient than 2) the pathogen O 3) It contributes to antibiotic resistance O 4) It refers to the body's ability to protect the brain and eye 5) It takes advantage of metabolic and structural differences between host and pathogenarrow_forwardBelow, you can see a picture of an antimicrobial drug. Regarding semi-synthetic antimicrobial drug development to try to avoid development of antibiotic resistance, use 1 sentence to address what is the significance/value of the presence of the various R-groups (e.g. R4, R5, R6, etc.)?arrow_forwardWhich one of the following categories for antibacterial agents is most likely to have toxic side effects for humans? a) disruptors of cell membrane structure b) inhibitors of cell wall synthesis Oc) inhibitors of protein synthesis d) antimetabolites RESET e) inhibitors of DNA synthesis Cancel Donearrow_forward
- The antibiotic susceptibility testing results of Staphylococcus showed zones of inhibition (absence of growth on zones) around discs of Penicilin, Teracycline, chloramphenicol, this means that a) S. aueres is resistant to all these antibiotics. b) S. aueres is susceptible to all these antibiotics. c) susceptible to only a couple of them d) neither are the correct choicesarrow_forwardrefer to the diagram left hand side is Tetracycline and right hand side is ampicillin. please help to describe the observation and explain these two antibiotics are sensitive or not.arrow_forwardWhat do I already know about antibiotics?arrow_forward
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