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Questions 42 through 45 refer to the following: ANTIBIOTIC-RESISTANT BACTERIA drugs have been widely used in the treatment of many types of bacterial infections, such as tuberculosis, gonorrhea, strep Some scientists are concerned about the overuse of antibiotic drugs. Since the discovery of the first antibiotic, these throat, and some types of pneumonia. Today, antibiotics are sometimes given to livestock in their food to help prevent certain infections. This widespread use of antibiotics is believed to have accelerated the occurrence of antibiotic-resistant forms of bacteria. These resistant bacteria are increasing in number because of their adaptive advantage. In addition, nonresistant bacteria die due to the presence of the antibiotics. The reduction in the number of nonresistant bacteria results in increased numbers of resistant bacteria, since they do not have to compete with the nonresistant bacteria. Another factor that accounts for increasing numbers of antibiotic-resistant bacteria is the passing of genes for this resistance between resistant and nonresistant forms. This transfer of genes occurs when plasmids, round DNA fragments found in the cytoplasm of bacteria, are exchanged when bacteria come in contact with one another. 42) Using one or more complete sentences, state one bacterial trait that will increase in frequency when antibiotic use is widespread. 43) What usually happens when nonresistant bacteria die due to the presence of antibiotics? A) Treatment of bacterial infections becomes unnecessary. B) Infections in livestock do not occur. C) Resistant bacteria increase in number. D) Resistant bacteria become nonresistant. 44) Resistance to antibiotics may be genetically transmitted to nonresistant forms of bacteria by C) the exchange of plasmids D) food given to livestock 6737-1 - Page 9 A) the overuse of antibiotic drugs B) infections such as tuberculosis

Questions 42 through 45 refer to the following: ANTIBIOTIC-RESISTANT BACTERIA drugs have been widely used in the treatment of many types of bacterial infections, such as tuberculosis, gonorrhea, strep Some scientists are concerned about the overuse of antibiotic drugs. Since the discovery of the first antibiotic, these throat, and some types of pneumonia. Today, antibiotics are sometimes given to livestock in their food to help prevent certain infections. This widespread use of antibiotics is believed to have accelerated the occurrence of antibiotic-resistant forms of bacteria. These resistant bacteria are increasing in number because of their adaptive advantage. In addition, nonresistant bacteria die due to the presence of the antibiotics. The reduction in the number of nonresistant bacteria results in increased numbers of resistant bacteria, since they do not have to compete with the nonresistant bacteria. Another factor that accounts for increasing numbers of antibiotic-resistant bacteria is the passing of genes for this resistance between resistant and nonresistant forms. This transfer of genes occurs when plasmids, round DNA fragments found in the cytoplasm of bacteria, are exchanged when bacteria come in contact with one another. 42) Using one or more complete sentences, state one bacterial trait that will increase in frequency when antibiotic use is widespread. 43) What usually happens when nonresistant bacteria die due to the presence of antibiotics? A) Treatment of bacterial infections becomes unnecessary. B) Infections in livestock do not occur. C) Resistant bacteria increase in number. D) Resistant bacteria become nonresistant. 44) Resistance to antibiotics may be genetically transmitted to nonresistant forms of bacteria by C) the exchange of plasmids D) food given to livestock 6737-1 - Page 9 A) the overuse of antibiotic drugs B) infections such as tuberculosis

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Questions 42 through 45 refer to the following: ANTIBIOTIC-RESISTANT BACTERIA drugs have been widely used in the treatment of many types of bacterial infections, such as tuberculosis, gonorrhea, strep Some scientists are concerned about the overuse of antibiotic drugs. Since the discovery of the first antibiotic, these throat, and some types of pneumonia. Today, antibiotics are sometimes given to livestock in their food to help prevent certain infections. This widespread use of antibiotics is believed to have accelerated the occurrence of antibiotic-resistant forms of bacteria. These resistant bacteria are increasing in number because of their adaptive advantage. In addition, nonresistant bacteria die due to the presence of the antibiotics. The reduction in the number of nonresistant bacteria results in increased numbers of resistant bacteria, since they do not have to compete with the nonresistant bacteria. Another factor that accounts for increasing numbers of antibiotic-resistant bacteria is the passing of genes for this resistance between resistant and nonresistant forms. This transfer of genes occurs when plasmids, round DNA fragments found in the cytoplasm of bacteria, are exchanged when bacteria come in contact with one another. 42) Using one or more complete sentences, state one bacterial trait that will increase in frequency when antibiotic use is widespread. 43) 67371 Page 9 What usually happens when nonresistant bacteria die due to the presence of antibiotics? A) Treatment of bacterial infections becomes unnecessary. B) Infections in livestock do not occur. C) Resistant bacteria increase in number. D) Resistant bacteria become nonresistant. 44) Resistance to antibiotics may be genetically transmitted to nonresistant forms of bacteria by A) the overuse of antibiotic drugs C) the exchange of plasmids B) infections such as tuberculosis D) food given to livestock 45) An adaptive advantage that some types of bacteria have is their A) resistance to certain infections B) ability to cause disease C) ability to secrete antibiotics D) resistance to certain antibiotics
Transcribed Image Text:Questions 42 through 45 refer to the following: ANTIBIOTIC-RESISTANT BACTERIA drugs have been widely used in the treatment of many types of bacterial infections, such as tuberculosis, gonorrhea, strep Some scientists are concerned about the overuse of antibiotic drugs. Since the discovery of the first antibiotic, these throat, and some types of pneumonia. Today, antibiotics are sometimes given to livestock in their food to help prevent certain infections. This widespread use of antibiotics is believed to have accelerated the occurrence of antibiotic-resistant forms of bacteria. These resistant bacteria are increasing in number because of their adaptive advantage. In addition, nonresistant bacteria die due to the presence of the antibiotics. The reduction in the number of nonresistant bacteria results in increased numbers of resistant bacteria, since they do not have to compete with the nonresistant bacteria. Another factor that accounts for increasing numbers of antibiotic-resistant bacteria is the passing of genes for this resistance between resistant and nonresistant forms. This transfer of genes occurs when plasmids, round DNA fragments found in the cytoplasm of bacteria, are exchanged when bacteria come in contact with one another. 42) Using one or more complete sentences, state one bacterial trait that will increase in frequency when antibiotic use is widespread. 43) 67371 Page 9 What usually happens when nonresistant bacteria die due to the presence of antibiotics? A) Treatment of bacterial infections becomes unnecessary. B) Infections in livestock do not occur. C) Resistant bacteria increase in number. D) Resistant bacteria become nonresistant. 44) Resistance to antibiotics may be genetically transmitted to nonresistant forms of bacteria by A) the overuse of antibiotic drugs C) the exchange of plasmids B) infections such as tuberculosis D) food given to livestock 45) An adaptive advantage that some types of bacteria have is their A) resistance to certain infections B) ability to cause disease C) ability to secrete antibiotics D) resistance to certain antibiotics
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