LooseLeaf Benson's Microbiological Applications Laboratory Manual-Concise Version
14th Edition
ISBN: 9781259705236
Author: Alfred E Brown Ph.D., Heidi Smith
Publisher: McGraw-Hill Education
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Question
Chapter 31, Problem 1SAQ
a.
Summary Introduction
To differentiate: Antimicrobial drugs and antibiotics.
Introduction: Antimicrobials, as well as antibiotics, are used against infectious microorganisms. There are both broad-spectrum as well as narrow-spectrum antimicrobials that are used to treat disease-causing microbes.
a.
Expert Solution
Explanation of Solution
Antimicrobial drugs | Antibiotics |
Drugs used for treating microbial infections are termed as antimicrobial drugs. It is a general term that indicates a group of drugs including antibiotics, antiprotozoals, antifungals, and antivirals. | Antibiotics are antimicrobials produced by microbes naturally that either kill or inhibit other microbes. |
Tetracycline (antibiotic) and terbinafine (an antifungal agent) are examples of antimicrobial drugs. | Penicillin and streptomycin are examples of antibiotics. |
b.
Summary Introduction
To differentiate: Narrow and broad-spectrum antimicrobials.
b.
Expert Solution
Explanation of Solution
Narrow-spectrum antimicrobials | Broad-spectrum antimicrobials |
Antimicrobial agents that are narrow in their spectrum are termed as narrow-spectrum antimicrobials. Some are more effective against Gram-positive bacteria whereas others are effective against Gram-negative bacteria. | The antimicrobials that are effective against both Gram-positive, as well as Gram-negative bacteria, are termed as broad-spectrum antibiotics. |
Penicillin G is one of the examples of narrow-spectrum antimicrobials. It effectively kills Gram-positive bacteria but is not very effective against Gram-negative bacteria. | Ampicillin is one of the examples of broad-spectrum antimicrobials. |
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Chapter 31 Solutions
LooseLeaf Benson's Microbiological Applications Laboratory Manual-Concise Version
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USMLE-Rx Antimicrobial Therapy; Author: USMLE-Rx;https://www.youtube.com/watch?v=Pka1Ynlrqtw;License: Standard Youtube License