Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781260163698
Author: Cowan
Publisher: MCG
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Chapter 10.2, Problem 15AYP
Summary Introduction
To describe:
The difference between treatments of biofilm and biofilm infections.
Concept introduction:
Biofilms are the colonies formed by different species of bacteria. These colonies are initiated by one bacterium that attaches to the surface of vulnerable body parts, like a tooth or lung tissue. The other microbes subsequently attach to either the first bacterium or the inevitable sugar and protein secretions by it.
Biofilms are present in almost every natural environment, and it is an adaptation strategy of bacteria for the sustenance of their lives. The different species of bacteria cooperate and interact with each other while forming biofilms, and functioning in these colonies.
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Chapter 10 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 10.1 - State the main goal of antimicrobial treatment.Ch. 10.1 - Identify the sources for the most commonly used...Ch. 10.1 - Describe two methods for testing antimicrobial...Ch. 10.1 - Prob. 4AYPCh. 10.1 - NCLEX PREP 1. An RN is caring for a 26-year-old...Ch. 10.2 - Explain the concept of selective toxicity.Ch. 10.2 - List the five major targets of antimicrobial...Ch. 10.2 - Prob. 7AYPCh. 10.2 - Distinguish between broad-spectrum and...Ch. 10.2 - Prob. 9AYP
Ch. 10.2 - Explain the mode of action of penicillinases and...Ch. 10.2 - Identify two antimicrobials that act by inhibiting...Ch. 10.2 - Prob. 12AYPCh. 10.2 - Identify one example of a fluoroquinolone.Ch. 10.2 - Describe the mode of action of drugs that target...Ch. 10.2 - Prob. 15AYPCh. 10.2 - Prob. 16AYPCh. 10.2 - Explain why antiprotozoal and antihelminthic drugs...Ch. 10.2 - List the three major targets of action of...Ch. 10.2 - Prob. 2NPCh. 10.3 - Discuss two main ways that microbes acquire...Ch. 10.3 - List five cellular or structural mechanisms that...Ch. 10.3 - Prob. 21AYPCh. 10.3 - Prob. 3NPCh. 10.3 - Prob. 1MMCh. 10.4 - Distinguish between drug toxicity and allergic...Ch. 10.4 - Prob. 23AYPCh. 10.4 - Prob. 4NPCh. 10.4 - Prob. 5NPCh. 10 - Microbial resistance to drugs is acquired through...Ch. 10 - Prob. 2QCh. 10 - Prob. 3QCh. 10 - Prob. 4QCh. 10 - Why does the penicillin group of antibiotics have...Ch. 10 - Prob. 6QCh. 10 - Prob. 7QCh. 10 - Conduct research to find out why drugs blocking...Ch. 10 - Prob. 9QCh. 10 - Prob. 10QCh. 10 - You take a sample from a growth-free portion of...Ch. 10 - Prob. 12QCh. 10 - Treating malarial infections is theoretically...Ch. 10 - Can you think of a situation in which it would be...Ch. 10 - Prob. 15QCh. 10 - Prob. 16QCh. 10 - Prob. 17QCh. 10 - Prob. 18QCh. 10 - An antimicrobial drug with a _______ therapeutic...Ch. 10 - Prob. 20QCh. 10 - Prob. 21QCh. 10 - Prob. 1VC
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- List and describe the steps of biofilm formation. Explain how and where (specific places and equipment) biofilms can be harmful in a health care setting. Include an example of a microbe commonly known to form biofilms in the health care setting. Along with that example, explain what preventative measures can be taken to prevent a biofilm of that microbe from forming.arrow_forwardDiscuss why it is difficult to treat wounds infected with toxinproducing bacteria.arrow_forwardDiseases that involve biofilm-producing bacteria are serious concern. They are not easily treated compared with those involving free-floating bacteria. Explain three reasons why biofilm formers are more pathogenic.arrow_forward
- Please discuss the different environmental factors that influence microbial growth. What would be the basic profile of a microbe pathogenic to humans?arrow_forwardDiseases that involve biofilm-producing bacteria are of serious concern. They are not as easily treated compared with those involving free-floating (or planktonic) bacteria. Explain three reasons why biofilm formers are more pathogenic. Brian goes to the hospital after not feeling well for a week. He has a fever of 38 °C (100.4 °F) and complains of nausea and a constant migraine. Distinguish between the signs and symptoms of disease in Brian’s case.arrow_forwardDescribe the basic process of biofilm formation.arrow_forward
- Which of the following is not true about biofilms a) are caused by many Gram positive and Gram negative bacteria as well as algae and fungi b) are highly contagious c) are hard to treat due to impermeability to drugsarrow_forwardWhy is biofilm development in catheters (tubes that can be inserted into a body cavity, duct or vessel which allow drainage or injection of fluids) such a dangerous source of infection in hospitals?arrow_forwardDescribe why bacterial biofilms can be a threat to human health.arrow_forward
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