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

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1.Which of the following individuals isconsidered to be the “Father ofMicrobiology”?A)Anton van LeeuwenhoekB)Louis PasteurC)Robert KochD)Rudolf Virchow2.The microorganisms that usually live on orwithin a person are collectively referred to asA)germs.B)indigenous microflora.C)nonpathogens.D)opportunistic pathogens.3.Microorganisms that live on dead anddecaying organic material are known asA)indigenous microflora.B)parasites.C)pathogens.D)saprophytes.4.The study of algae is calledA)algaeology.B)botany.C)mycology.D)phycology.5.The field of parasitology involves the study ofwhich of the following types of organisms?A)arthropods, bacteria, fungi, protozoa, andvirusesB)arthropods, helminths, and certain protozoaC)bacteria, fungi, and protozoaD)bacteria, fungi, and viruses

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6.Rudolf Virchow is given credit for proposingwhich of the following theories?A)abiogenesisB)biogenesisC)germ theory of diseaseD)spontaneous generation7.Which of the following microorganisms areconsidered obligate intracellular pathogens?A)chlamydias, rickettsias,Mycobacteriumleprae, andTreponema pallidumB)Mycobacterium lepraeandTreponemapallidumC)Mycobacterium tuberculosisand virusesD)rickettsias, chlamydias, and viruses8.Which one of the following statements istrue?A)Koch developed a rabies vaccine.B)Microorganisms are ubiquitous.C)Most microorganisms are harmful to humans.D)Pasteur conducted experiments that provedthe theory of abiogenesis.9.Which of the following are even smaller thanviruses?A)chlamydiasB)prions and viroidsC)rickettsiasD)cyanobacteria10.Which of the following individuals introducedthe terms “aerobes” and “anaerobes”?A)Anton van LeeuwenhoekB)Louis PasteurC)Robert KochD)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 Leeuwenhoekb. Robert Kochc. Louis Pasteurd. Rudolf Virchowe. Alexandre Emil Jean Yersin11.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 andprotozoa.15.Developed an experimental procedure thatcould be used to prove that a specificmicroorganism is the cause of a specificinfectious disease.Use the following to answer questions 16-20:Match the following items with the correct statements.a. pathogensb. nonpathogensc. opportunistic pathogensd. indigenous microflorae. saprophytes

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16.Organisms that live on dead or decayingorganic matter.17.Microorganisms that do not cause disease.18.Microorganisms that usually do not causedisease, but can cause disease under certaincircumstances.19.The microorganisms that live on us and in us.20.The most common causes of infectiousdiseases or microbial intoxications.21.All infectious diseases are caused bypathogens.A)TrueB)False22.Pathogens greatly outnumber nonpathogens.A)TrueB)False23.Using microorganisms to clean up theenvironment is known as bioremediation.A)TrueB)False24.Microorganisms are essential in the field ofgenetic engineering.A)TrueB)False

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25.Microorganisms probably appeared on earthabout 3.5 million years ago.A)TrueB)False26.Anton van Leeuwenhoek's experimentshelped to prove that microorganisms causedisease.A)TrueB)False27.Louis Pasteur and Robert Koch madesignificant contributions to the “Germ Theoryof Disease.”A)TrueB)False28.Pasteurization is a process that kills allmicroorganisms present in the liquid beingpasteurized.A)TrueB)False29.Microorganisms contribute more oxygen toour atmosphere than plants do.A)TrueB)False30.Infectious diseases that are transmitted fromanimals to humans are known as zoonoses.A)TrueB)FalseUse the following to answer questions 31-34:Match the following names with the correct statements.

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a. Robert Kochb. Louis Pasteurc. Rudolf Virchowd. Antony van Leeuwenhoek31.This German scientist proposed the theory ofbiogenesis—that life can arise only frompreexisting life.32.This Dutchman built single lens microscopesas a hobby and is believed to be the firstperson to see live bacteria and protozoa.33.This German physician developed a step-by-step scientific method to prove that aparticular microorganism causes a particulardisease and contributed to what is known as“the germ theory of disease.”34.This French scientist discovered thatmicroorganisms are responsible forfermentations, contributed to disprovingabiogenesis, and contributed to what is knownas “the germ theory of disease.”Answer Key1.A2.B3.D4.D5.B6.B7.D8.B9.B10.B11.c12.d13.e

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5.B6.B7.D8.B9.B10.B11.c12.d13.e14.a15.b16.e17.b18.c19.d20.a21.A22.B23.A24.A25.B26.B27.A28.B29.A30.A31.c32.d33.a34.b

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1.A millimeter is equivalent to how manynanometers?A)1,000B)10,000C)100,000D)1,000,0002.Assume that a pinhead is 1 mm in diameter.How many spherical bacteria (cocci), lined upside-by-side, would fit across the pinhead.(Hint: Use information from Table 2-1.)A)100B)1,000C)10,000D)100,0003.What is the length of an average rod-shapedbacterium (bacillus)?A)3μmB)3 nmC)0.3 mmD)0.03 mm4.What is the total magnification when usingthe high-power (high-dry) objective of acompound light microscope equipped with a×10 ocular lens?A)40B)50C)100D)4005.How many times better is the resolution of thetransmission electron microscope than theresolution of the unaided human eye?A)1,000B)10,000C)100,000D)1,000,000

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www.nursingtestbanks.me5.transmission electron microscope than theresolution of the unaided human eye?A)1,000B)10,000C)100,000D)1,000,0006.How many times better is the resolution of thetransmission electron microscope than theresolution of the compound light microscope?A)100B)1,000C)10,000D)100,0007.How many times better is the resolution of thetransmission electron microscope than theresolution of the scanning electronmicroscope?A)100B)1,000C)10,000D)100,0008.The limiting factor of any compound lightmicroscope (i.e., the thing that limits itsresolution to 0.2μm) 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 isgiven credit for developing the firstcompound microscope?A)Anton van LeeuwenhoekB)Hans JansenC)Louis PasteurD)Robert Hooke

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10.A compound light microscope differs from asimple microscope in that the compound lightmicroscope 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. 10b. 100c. 1,000d. 1,000,000e. 1,000,000,00011.The number of nanometers in a micrometer.12.The resolving power of the compound lightmicroscope is __________ times better thanthe resolving power of the unaided eye.13.The number of micrometers in a millimeter.14.The resolving power of the transmissionelectron microscope is __________ timesbetter than the resolving power of thescanning electron microscope.15.The resolving power of the transmissionelectron microscope is __________ timesbetter than the resolving power of the unaidedeye.

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www.nursingtestbanks.meUse the following to answer questions 16-20:Match the following items with the correct phrases.a. 0.2 nmb. 20 nmc. 0.2μmd. 1μme. 0.2 mm16.The width of a typical coccus.17.The resolving power of the unaided eye.18.The resolving power of the scanning electronmicroscope.19.The resolving power of the transmissionelectron microscope.20.The resolving power of the compound lightmicroscope.21.Anton van Leeuwenhoek is given credit fordeveloping the first compound lightmicroscope.A)TrueB)False22.The wavelength of visible light limits the sizeof objects that can be seen with the compoundlight microscope.A)TrueB)False

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23.The resolving power of compound lightmicroscopes can be improved by addingadditional magnifying lenses.A)TrueB)False24.A brightfield microscope can be converted toa darkfield microscope by replacing thecondenser on a brightfield microscope with adarkfield condenser.A)TrueB)False25.Transmission electron microscopes are usedto study surface features.A)TrueB)False26.Primary syphilis is usually diagnosed in theclinical microbiology laboratory by the use ofa scanning electron microscope.A)TrueB)False27.A magnifying glass could be considered asimple microscope.A)TrueB)False28.The total magnification achieved when the oilimmersion lens is used is 1,000×.A)TrueB)False29.Fluorescence microscopy is often used inimmunology laboratories.A)TrueB)False

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www.nursingtestbanks.me29.Fluorescence microscopy is often used inimmunology laboratories.A)TrueB)False30.The resolving power of electron microscopesis much better than that of compound lightmicroscopes because the wavelength ofelectrons is much longer than that of visiblelight.A)TrueB)False31.The approximate resolving power of theunaided human eye is:A)0.2 cm.B)0.2 mm.C)0.2μm.D)0.2 nm.32.The approximate resolving power of thecompound light microscope is:A)0.2 cm.B)0.2 mm.C)0.2μm.D)0.2 nm.33.The reason that better resolution cannot beachieved with the compound lightmicroscopes used in the lab (i.e., the limitingfactor of the compound light microscope) isthe:A)“high-tech” capabilities of the company thatwe purchased them from.B)manner in which the objective lenses wereground.C)fact that the eyepiece (ocular) magnificationis only×10.D)wavelength of visible light.

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34.The total magnification achieved in thelaboratory when using the high-power (high-dry) objective of the compound lightmicroscope is:A)40×.B)100×.C)400×.D)1,000×.35.The total magnification achieved in thelaboratory when using the oil immersionobjective of the compound light microscopeis:A)40×.B)100×.C)400×.D)1,000×.36.Which one of the following statements isnottrue?A)The scanning electron microscope is used toexamine the surfaces of various objects andits resolving power is approximately 20 nm.B)The transmission electron microscope is usedto examine very thin sections of variousspecimens and its resolving power isapproximately 1,000 times better than theresolving power of the unaided human eye.C)0.5 mm = 500μm = 500,000 nm.D)Better resolution can be achieved usingtransmission electron microscopes than can beachieved using scanning electronmicroscopes.37.The unit of measure usually used to describebacterial size is:A)millimeters.B)micrometers.C)nanometers.D)angstroms.

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www.nursingtestbanks.me37.The unit of measure usually used to describebacterial size is:A)millimeters.B)micrometers.C)nanometers.D)angstroms.Answer Key1.D2.B3.A4.D5.D6.B7.A8.D9.B10.B11.c12.c13.c14.b15.d16.d17.e18.b19.a20.c21.B22.A23.B24.A25.B26.B27.A28.A29.A30.B31.B32.C33.D34.C35.D36.B37.B

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