Question 1

A(n) microscope has a single ocular lens.

Accepted Answer

The answer of A(n) microscope has a single ocular lens....

Question 2

All of the following are associated with smear preparation EXCEPT:

Accepted Answer

A)  spreading the specimen onto a slide. 
B)  killing the microbes in the specimen. 
C)  fixation using heat. 
D)  fixation using methanol or formalin. 
E)  agglutination of the specimen. 
A)  spreading the specimen onto a slide. 
B)  killing the microbes in the specimen. 
C)  fixation using heat. 
D)  fixation using methanol or formalin. 
E)  agglutination of the specimen.

Question 3

All of the following are associated with an electron microscope EXCEPT:

Accepted Answer

A)  a vacuum. 
B)  an electron beam. 
C)  a fluorescent screen. 
D)  a prism. 
E)  magnetic fields. 
A)  a vacuum. 
B)  an electron beam. 
C)  a fluorescent screen. 
D)  a prism. 
E)  magnetic fields.

Question 4

The definitive reference work for the identification of bacteria is known as .

Accepted Answer

The answer of The definitive reference work for the identification...

Question 5

Cilia and flagella can be visualized using which of the following types of microscopes?

Accepted Answer

A)  Nomarski microscopes 
B)  darkfield microscopes 
C)  phase- contrast microscopes 
D)  All of the above are correct. 
E)  None of the above is correct. 
A)  Nomarski microscopes 
B)  darkfield microscopes 
C)  phase- contrast microscopes 
D)  All of the above are correct. 
E)  None of the above is correct.

Question 6

A negative stain leaves cells colorless while staining the background of the smear.

Accepted Answer

A) True 
 B)False

Question 7

All of the following are common to both the Gram stain and the acid- fast stain EXCEPT:

Accepted Answer

A)  counterstain. 
B)  primary stain. 
C)  a decolorizing agent and a mordant. 
D)  a mordant. 
E)  a decolorizing agent. 
A)  counterstain. 
B)  primary stain. 
C)  a decolorizing agent and a mordant. 
D)  a mordant. 
E)  a decolorizing agent.

Question 8

The three domains proposed by Carl Woese are the Archaea, the Eukarya, and the Bacteria.

Accepted Answer

A) True 
 B)False

Question 9

Empty magnification results from increasing magnification without increasing the

Accepted Answer

A)  refraction. 
B)  curvature of the lens. 
C)  resolution. 
D)  wavelength. 
E)  focal point. 
A)  refraction. 
B)  curvature of the lens. 
C)  resolution. 
D)  wavelength. 
E)  focal point.

Question 10

A cell's GC ratio is associated with which of the following classification methods?

Accepted Answer

A)  analysis of nucleic acids 
B)  biochemical tests 
C)  serological tests 
D)  phage typing 
E)  physical characteristics 
A)  analysis of nucleic acids 
B)  biochemical tests 
C)  serological tests 
D)  phage typing 
E)  physical characteristics

Question 11

Compare and contrast the three domains identified by Woese-Eukarya, Bacteria, and Archaea.

Accepted Answer

With respect to cell type, organisms in

Question 12

Discuss the ways in which light rays can be manipulated in order to increase resolution and/or contrast.

Accepted Answer

There are a variety of ways that light r

Question 13

Compare and contrast the light microscope with the electron microscope.

Accepted Answer

Both the light microscope and the electr

Question 14

A(n) is a substance that binds to a dye and makes it less soluble.

Accepted Answer

The answer of A(n) is a substance that binds to...

Question 15

Carl Woese proposed the concept of the domain based on differences among which of the following cellular molecules?

Accepted Answer

A)  membrane lipids 
B)  ribosomal RNA 
C)  proteins 
D)  DNA 
E)  transfer RNA 
A)  membrane lipids 
B)  ribosomal RNA 
C)  proteins 
D)  DNA 
E)  transfer RNA

Question 16

A nanometer would be a suitable unit of measurement for which of the following?

Accepted Answer

A)  eukaryotic cells 
B)  molecules and atoms 
C)  prokaryotic cells 
D)  bacterial colonies 
E)  cellular organelles and viruses 
A)  eukaryotic cells 
B)  molecules and atoms 
C)  prokaryotic cells 
D)  bacterial colonies 
E)  cellular organelles and viruses

Question 17

If a microbiology lab technician left the crystal violet out of the Gram stain procedure, what would be the result?

Accepted Answer

A)  All cells would be pink. 
B)  All cells would be purple. 
C)  Gram- positive cells would be pink and Gram- negative cells would be purple. 
D)  Gram- positive cells would be colorless and Gram- negative cells would be pink. 
E)  Gram- positive cells would be purple and Gram- negative cells would be colorless. 
A)  All cells would be pink. 
B)  All cells would be purple. 
C)  Gram- positive cells would be pink and Gram- negative cells would be purple. 
D)  Gram- positive cells would be colorless and Gram- negative cells would be pink. 
E)  Gram- positive cells would be purple and Gram- negative cells would be colorless.

Question 18

All of the following types of microscopes are limited to magnification of about 2000X EXCEPT:

Accepted Answer

A)  a dark- field microscope. 
B)  a differential interference contrast microscope. 
C)  a phase- contrast microscope. 
D)  a fluorescent microscope. 
E)  a scanning tunneling microscope. 
A)  a dark- field microscope. 
B)  a differential interference contrast microscope. 
C)  a phase- contrast microscope. 
D)  a fluorescent microscope. 
E)  a scanning tunneling microscope.

Question 19

The total magnification using a 10X ocular and a 40X objective would be .

Accepted Answer

The answer of The total magnification using a 10X ocular...

Question 20

Linnaeus proposed the system of binomial nomenclature that we use today.

Accepted Answer

A) True 
 B)False

Exam 4: Microscopy, Staining, and Classification

A(n) microscope has a single ocular lens.

All of the following are associated with smear preparation EXCEPT:

All of the following are associated with an electron microscope EXCEPT:

The definitive reference work for the identification of bacteria is known as .

Cilia and flagella can be visualized using which of the following types of microscopes?

A negative stain leaves cells colorless while staining the background of the smear.

All of the following are common to both the Gram stain and the acid- fast stain EXCEPT:

The three domains proposed by Carl Woese are the Archaea, the Eukarya, and the Bacteria.

Empty magnification results from increasing magnification without increasing the

A cell's GC ratio is associated with which of the following classification methods?

Compare and contrast the three domains identified by Woese-Eukarya, Bacteria, and Archaea.

Discuss the ways in which light rays can be manipulated in order to increase resolution and/or contrast.

Compare and contrast the light microscope with the electron microscope.

A(n) is a substance that binds to a dye and makes it less soluble.

Carl Woese proposed the concept of the domain based on differences among which of the following cellular molecules?

A nanometer would be a suitable unit of measurement for which of the following?

If a microbiology lab technician left the crystal violet out of the Gram stain procedure, what would be the result?

All of the following types of microscopes are limited to magnification of about 2000X EXCEPT:

The total magnification using a 10X ocular and a 40X objective would be .

Linnaeus proposed the system of binomial nomenclature that we use today.

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant Dna Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Aids and Other Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Environmental Microbiology

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