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Test Bank For Burtons Microbiology for the Health Sciences, 9th Edition

Test Bank For Burtons Microbiology for the Health Sciences, 9th Edition provides targeted exam strategies, ensuring you approach each question with clarity and precision.

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    1. Which of the following individuals is considered to be the “Father of Microbiology”? A) Anton van Leeuwenhoek B) Louis Pasteur C) Robert Koch D) Rudolf Virchow 2. The microorganisms that usually live on or within a person are collectively referred to as A) germs. B) indigenous microflora. C) nonpathogens. D) opportunistic pathogens. 3. Microorganisms that live on dead and decaying organic material are known as A) indigenous microflora. B) parasites. C) pathogens. D) saprophytes. 4. The study of algae is called A) algaeology. B) botany. C) mycology. D) phycology. 5. The field of parasitology involves the study of which of the following types of organisms? A) arthropods, bacteria, fungi, protozoa, and viruses B) arthropods, helminths, and certain protozoa C) bacteria, fungi, and protozoa D) bacteria, fungi, and viruses

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    6. Rudolf Virchow is given credit for proposing which of the following theories? A) abiogenesis B) biogenesis C) germ theory of disease D) spontaneous generation 7. Which of the following microorganisms are considered obligate intracellular pathogens? A) chlamydias, rickettsias, Mycobacterium leprae , and Treponema pallidum B) Mycobacterium leprae and Treponema pallidum C) Mycobacterium tuberculosis and viruses D) rickettsias, chlamydias, and viruses 8. Which one of the following statements is true? A) Koch developed a rabies vaccine. B) Microorganisms are ubiquitous. C) Most microorganisms are harmful to humans. D) Pasteur conducted experiments that proved the theory of abiogenesis. 9. Which of the following are even smaller than viruses? A) chlamydias B) prions and viroids C) rickettsias D) cyanobacteria 10. Which of the following individuals introduced the terms “aerobes” and “anaerobes”? A) Anton van Leeuwenhoek B) Louis Pasteur C) Robert Koch D) Rudolf Virchow

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    Use the following to answer questions 11-15: Match the following names with the correct phrases. a. Anton van Leeuwenhoek b. Robert Koch c. Louis Pasteur d. Rudolf Virchow e. Alexandre Emil Jean Yersin 11. Developed vaccines for anthrax and rabies. 12. Proposed the theory of biogenesis. 13. Discovered the etiologic agent of plague. 14. The first person to observe live bacteria and protozoa. 15. Developed an experimental procedure that could be used to prove that a specific microorganism is the cause of a specific infectious disease. Use the following to answer questions 16-20: Match the following items with the correct statements. a. pathogens b. nonpathogens c. opportunistic pathogens d. indigenous microflora e. saprophytes

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    16. Organisms that live on dead or decaying organic matter. 17. Microorganisms that do not cause disease. 18. Microorganisms that usually do not cause disease, but can cause disease under certain circumstances. 19. The microorganisms that live on us and in us. 20. The most common causes of infectious diseases or microbial intoxications. 21. All infectious diseases are caused by pathogens. A) True B) False 22. Pathogens greatly outnumber nonpathogens. A) True B) False 23. Using microorganisms to clean up the environment is known as bioremediation. A) True B) False 24. Microorganisms are essential in the field of genetic engineering. A) True B) False

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    25. Microorganisms probably appeared on earth about 3.5 million years ago. A) True B) False 26. Anton van Leeuwenhoek's experiments helped to prove that microorganisms cause disease. A) True B) False 27. Louis Pasteur and Robert Koch made significant contributions to the “Germ Theory of Disease.” A) True B) False 28. Pasteurization is a process that kills all microorganisms present in the liquid being pasteurized. A) True B) False 29. Microorganisms contribute more oxygen to our atmosphere than plants do. A) True B) False 30. Infectious diseases that are transmitted from animals to humans are known as zoonoses. A) True B) False Use the following to answer questions 31-34: Match the following names with the correct statements.

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    a. Robert Koch b. Louis Pasteur c. Rudolf Virchow d. Antony van Leeuwenhoek 31. This German scientist proposed the theory of biogenesis—that life can arise only from preexisting life. 32. This Dutchman built single lens microscopes as a hobby and is believed to be the first person to see live bacteria and protozoa. 33. This German physician developed a step-by- step scientific method to prove that a particular microorganism causes a particular disease and contributed to what is known as “the germ theory of disease.” 34. This French scientist discovered that microorganisms are responsible for fermentations, contributed to disproving abiogenesis, and contributed to what is known as “the germ theory of disease.” Answer Key 1. A 2. B 3. D 4. D 5. B 6. B 7. D 8. B 9. B 10. B 11. c 12. d 13. e

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    5. B 6. B 7. D 8. B 9. B 10. B 11. c 12. d 13. e 14. a 15. b 16. e 17. b 18. c 19. d 20. a 21. A 22. B 23. A 24. A 25. B 26. B 27. A 28. B 29. A 30. A 31. c 32. d 33. a 34. b

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    1. A millimeter is equivalent to how many nanometers? A) 1,000 B) 10,000 C) 100,000 D) 1,000,000 2. Assume that a pinhead is 1 mm in diameter. How many spherical bacteria (cocci), lined up side-by-side, would fit across the pinhead. (Hint: Use information from Table 2-1.) A) 100 B) 1,000 C) 10,000 D) 100,000 3. What is the length of an average rod-shaped bacterium (bacillus)? A) 3 μ m B) 3 nm C) 0.3 mm D) 0.03 mm 4. What is the total magnification when using the high-power (high-dry) objective of a compound light microscope equipped with a × 10 ocular lens? A) 40 B) 50 C) 100 D) 400 5. How many times better is the resolution of the transmission electron microscope than the resolution of the unaided human eye? A) 1,000 B) 10,000 C) 100,000 D) 1,000,000

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    www.nursingtestbanks.me 5. transmission electron microscope than the resolution of the unaided human eye? A) 1,000 B) 10,000 C) 100,000 D) 1,000,000 6. How many times better is the resolution of the transmission electron microscope than the resolution of the compound light microscope? A) 100 B) 1,000 C) 10,000 D) 100,000 7. How many times better is the resolution of the transmission electron microscope than the resolution of the scanning electron microscope? A) 100 B) 1,000 C) 10,000 D) 100,000 8. The limiting factor of any compound light microscope (i.e., the thing that limits its resolution to 0.2 μ m) is the: A) number of condenser lenses it has. B) number of magnifying lenses it has. C) number of ocular lenses it has. D) wavelength of visible light. 9. Which one of the following individuals is given credit for developing the first compound microscope? A) Anton van Leeuwenhoek B) Hans Jansen C) Louis Pasteur D) Robert Hooke

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    10. A compound light microscope differs from a simple microscope in that the compound light microscope contains more than one: A) condenser lens. B) magnifying lens. C) objective lens. D) ocular lens. Use the following to answer questions 11-15: Match the following items with the correct phrases. a. 10 b. 100 c. 1,000 d. 1,000,000 e. 1,000,000,000 11. The number of nanometers in a micrometer. 12. The resolving power of the compound light microscope is __________ times better than the resolving power of the unaided eye. 13. The number of micrometers in a millimeter. 14. The resolving power of the transmission electron microscope is __________ times better than the resolving power of the scanning electron microscope. 15. The resolving power of the transmission electron microscope is __________ times better than the resolving power of the unaided eye.

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    www.nursingtestbanks.me Use the following to answer questions 16-20: Match the following items with the correct phrases. a. 0.2 nm b. 20 nm c. 0.2 μ m d. 1 μ m e. 0.2 mm 16. The width of a typical coccus. 17. The resolving power of the unaided eye. 18. The resolving power of the scanning electron microscope. 19. The resolving power of the transmission electron microscope. 20. The resolving power of the compound light microscope. 21. Anton van Leeuwenhoek is given credit for developing the first compound light microscope. A) True B) False 22. The wavelength of visible light limits the size of objects that can be seen with the compound light microscope. A) True B) False

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    23. The resolving power of compound light microscopes can be improved by adding additional magnifying lenses. A) True B) False 24. A brightfield microscope can be converted to a darkfield microscope by replacing the condenser on a brightfield microscope with a darkfield condenser. A) True B) False 25. Transmission electron microscopes are used to study surface features. A) True B) False 26. Primary syphilis is usually diagnosed in the clinical microbiology laboratory by the use of a scanning electron microscope. A) True B) False 27. A magnifying glass could be considered a simple microscope. A) True B) False 28. The total magnification achieved when the oil immersion lens is used is 1,000 × . A) True B) False 29. Fluorescence microscopy is often used in immunology laboratories. A) True B) False

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    www.nursingtestbanks.me 29. Fluorescence microscopy is often used in immunology laboratories. A) True B) False 30. The resolving power of electron microscopes is much better than that of compound light microscopes because the wavelength of electrons is much longer than that of visible light. A) True B) False 31. The approximate resolving power of the unaided human eye is: A) 0.2 cm. B) 0.2 mm. C) 0.2 μ m. D) 0.2 nm. 32. The approximate resolving power of the compound light microscope is: A) 0.2 cm. B) 0.2 mm. C) 0.2 μ m. D) 0.2 nm. 33. The reason that better resolution cannot be achieved with the compound light microscopes used in the lab (i.e., the limiting factor of the compound light microscope) is the: A) “high-tech” capabilities of the company that we purchased them from. B) manner in which the objective lenses were ground. C) fact that the eyepiece (ocular) magnification is only × 10. D) wavelength of visible light.

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    34. The total magnification achieved in the laboratory when using the high-power (high- dry) objective of the compound light microscope is: A) 40 × . B) 100 × . C) 400 × . D) 1,000 × . 35. The total magnification achieved in the laboratory when using the oil immersion objective of the compound light microscope is: A) 40 × . B) 100 × . C) 400 × . D) 1,000 × . 36. Which one of the following statements is not true? A) The scanning electron microscope is used to examine the surfaces of various objects and its resolving power is approximately 20 nm. B) The transmission electron microscope is used to examine very thin sections of various specimens and its resolving power is approximately 1,000 times better than the resolving power of the unaided human eye. C) 0.5 mm = 500 μ m = 500,000 nm. D) Better resolution can be achieved using transmission electron microscopes than can be achieved using scanning electron microscopes. 37. The unit of measure usually used to describe bacterial size is: A) millimeters. B) micrometers. C) nanometers. D) angstroms.

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    www.nursingtestbanks.me 37. The unit of measure usually used to describe bacterial size is: A) millimeters. B) micrometers. C) nanometers. D) angstroms. Answer Key 1. D 2. B 3. A 4. D 5. D 6. B 7. A 8. D 9. B 10. B 11. c 12. c 13. c 14. b 15. d 16. d 17. e 18. b 19. a 20. c 21. B 22. A 23. B 24. A 25. B 26. B 27. A 28. A 29. A 30. B 31. B 32. C 33. D 34. C 35. D 36. B 37. B

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