Chap023 - Prescotts 10th Ed. PDF

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Chapter 23Firmicutes: The Low G + C Gram-Positive BacteriaTrue / False Questions1. Recent studies have shown that some Clostridia species have peptidoglycan between aninner and outer membrane, and were therefore properly reclassed as Gram-negative becauseof their unrelatedness.FALSEASM Objective: 05...

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Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

Chapter 23 Firmicutes: The Low G + C Gram-Positive Bacteria

True / False Questions 1. Recent studies have shown that some Clostridia species have peptidoglycan between an inner and outer membrane, and were therefore properly reclassed as Gram-negative because of their unrelatedness. FALSE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.02.01 Explain why bacteria with outer membranes are considered Gram positive Section: 23.02 Topic: Bacteria

Fill in the Blank Questions 2. A new species, _____, was recently shown to have two membranes, like a Gram-negative bacterium, but be phylogenetically related to the Gram-positive family Veillonellaceae. Negativicoccus

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.02.02 Discuss why new taxonomic ranks must be developed Section: 23.02 Topic: Bacteria

Multiple Choice Questions

23-1 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

3. Which of the following genera is photosynthetic using bacteriochlorophyll g? A. Heliobacterium B. Veillonella C. Clostridium D. Caryophanon

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.01.04 Distinguish phototrophy in heliobacteria from that of other anoxygenic phototrophic bacteria Section: 23.01 Topic: Bacteria

4. The photosynthetic pigments of Heliobacterium and Heliophilum A. are in separate membrane structures attached to the plasma membrane. B. are in separate membrane structures that are not attached to the plasma membrane. C. are in the plasma membrane and not in separate structures. D. are in separate structures and also in the plasma membrane.

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.01.04 Distinguish phototrophy in heliobacteria from that of other anoxygenic phototrophic bacteria Section: 23.01 Topic: Bacteria

5. Members of the genus Veillonella are part of the normal microflora of the A. sweat glands and hair follicles. B. stomach. C. upper and lower respiratory tract. D. mouth.

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.02.03 Identify the location where Veillonella sp. might be found on your body Section: 23.02 Topic: Bacteria

23-2 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

6. ATP can be produced via the Stickland reaction by ______. A. Bacillus B. Clostridium C. Epulopiscium D. Desulfotomaculum

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.01.02 Outline the reaction by which some clostridia can ferment amino acids, and relate this carbon substrate to their environmental distribution and pathogenic potential Section: 23.01 Topic: Bacteria

7. Which of the following is responsible for causing gas gangrene? A. Clostridium perfringens B. Clostridium botulinum C. Clostridium acetobutylicum D. Clostridium tetani

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.01.01 Identify several Clostridia spp. that form endospores Section: 23.01 Topic: Bacteria

8. Which of the following is not normally considered a pathogenic species of Clostridium? A. C. acetobutylicum B. C. botulinum C. C. perfringens D. C. tetani

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.01.01 Identify several Clostridia spp. that form endospores Section: 23.01 Topic: Bacteria

23-3 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

9. Clostridium perfringens causes which of the following? A. Gas gangrene

B. Pneumonia C. Fire blight disease of pears D. Tuberculosis

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.01.01 Identify several Clostridia spp. that form endospores Section: 23.01 Topic: Bacteria

10. Although lacking a TCA cycle and a respiratory chain, __________ can divide with a generation time of eight to ten minutes when growing in a human host. A. Streptococcus pyogenes B. Staphylococcus aureus C. Clostridium perfringens D. Helicobacter pylori

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.01.02 Outline the reaction by which some clostridia can ferment amino acids, and relate this carbon substrate to their environmental distribution and pathogenic potential Section: 23.01 Topic: Bacteria

23-4 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

True / False Questions 11. The genus Veillonella is unusual because it grows well on organic acids such as lactate and pyruvate, but is normally unable to ferment glucose and other carbohydrates. TRUE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.01.02 Outline the reaction by which some clostridia can ferment amino acids, and relate this carbon substrate to their environmental distribution and pathogenic potential Section: 23.01 Topic: Bacteria

12. Members of the genus Clostridium are spore-forming and aerobic. FALSE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.01.01 Identify several Clostridia spp. that form endospores Section: 23.01 Topic: Bacteria

13. Desulfotomaculum are gram-positive, but stain gram-negative because their cell walls have a lower than normal concentration of peptidoglycan. TRUE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.01.01 Identify several Clostridia spp. that form endospores Section: 23.01 Topic: Bacteria

Fill in the Blank Questions

23-5 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

14. Clostridium tetani in deep puncture wounds can cause the disease ___________ in humans. tetanus or lockjaw

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.01.01 Identify several Clostridia spp. that form endospores Section: 23.01 Topic: Bacteria

Multiple Choice Questions 15. Members of the genus Staphylococcus are normally associated with ______. A. skin B. skin glands C. mucous membranes D. All of the choices are correct.

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.03.04 Summarize the evolution and emergence of MRSA, and list at least two diseases caused by Staphylococcus aureus Section: 23.03 Topic: Gram-Positive Staphylococci

23-6 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

16. Abscesses and boils are often associated with _______. A. Streptococcus mutans B. Staphylococcus aureus C. Lactococcus lactis D. Streptococcus pneumoniae

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.03.04 Summarize the evolution and emergence of MRSA, and list at least two diseases caused by Staphylococcus aureus Section: 23.03 Topic: Gram-Positive Staphylococci

Fill in the Blank Questions 17. Gene duplications in Bacillus subtilis have resulted in a large gene family that encodes __________ transporters. ABC or ATP-binding-cassette or ATP binding cassette

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.03.02 Discuss reasons that make Bacillus subtilis an important model organism Section: 23.02 Topic: Gram-Positive Spore-Forming Bacilli

23-7 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

18. Pyogenic streptococci usually produce ___________-hemolysis when cultured on blood agar. beta

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.03.08 Name bacterial genera with species capable of hemolysis, and differentiate between -hemolysis and hemolysis Section: 23.03 Topic: Gram-Positive Streptococci

19. Staphylococcus aureus produces the enzyme __________, which causes blood plasma to clot. coagulase

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.03.04 Summarize the evolution and emergence of MRSA, and list at least two diseases caused by Staphylococcus aureus Section: 23.03 Topic: Gram-Positive Staphylococci

Multiple Choice Questions 20. Thermoactinomyces vulgaris is the causative agent for _______. A. cystic fibrosis B. farmer's lung disease C. primary atypical pneumonia D. vaginitis

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.03.03 List three reasons Bacillus spp. are of practical importance Section: 23.03 Topic: Bacteria

23-8 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

Fill in the Blank Questions 21. Strains of Staphylococcus aureus that are resistant to __________ generally cannot be treated with antibiotic therapy. vancomycin

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.03.04 Summarize the evolution and emergence of MRSA, and list at least two diseases caused by Staphylococcus aureus Section: 23.03 Topic: Gram-Positive Staphylococci

True / False Questions 22. Many bacteria that were originally classified in the genus Streptococcus are now placed into two new genera, Enterococcus and Lactococcus. TRUE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.03.07 Distinguish between enterococci and streptococci Section: 23.03 Topic: Gram-Positive Streptococci

23. Members of the genus Bacillus are spore-forming, aerobic, and catalase positive. TRUE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.03.02 Discuss reasons that make Bacillus subtilis an important model organism Section: 23.03 Topic: Gram-Positive Spore-Forming Bacilli

23-9 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

24. Staphylococcus aureus appears to be very adept at acquiring virulence and antibiotic resistance genes from other bacteria. TRUE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.03.04 Summarize the evolution and emergence of MRSA, and list at least two diseases caused by Staphylococcus aureus Section: 23.03 Topic: Gram-Positive Staphylococci

25. Lactobacilli are alkalophilic, preferring conditions that are slightly alkaline for optimal growth. FALSE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.03.06 Identify the genera considered lactic acid bacteria, and discuss their importance in the food industry Section: 23.03 Topic: Bacteria

26. Leuconostoc species have the ability to grow in high concentrations of sugar, making them a major problem in sugar refineries during the production of heavy syrup. FALSE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 2. Understand Learning Outcome: 23.03.06 Identify the genera considered lactic acid bacteria, and discuss their importance in the food industry Section: 23.03 Topic: Bacteria

23-10 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Chapter 23 - Firmicutes: The Low G + C Gram-Positive Bacteria

27. Staphylococcus aureus is a common cause of food poisoning in the United States. TRUE

ASM Objective: 05.01 Microorganisms are ubiquitous and live in diverse and dynamic ecosystems. ASM Objective: 05.04 Microorganisms, cellular and viral, can interact with both human and nonhuman hosts in beneficial, neutral or detrimental ways. ASM Topic: Module 06 Impact of Microorganisms Blooms Level: 1. Remember Learning Outcome: 23.03.04 Summarize the evolution and emergence of MRSA, and list at least two diseases caused by Staphylococcus aureus Section: 23.03 Topic: Gram-Positiv...