A) attracted to the acidic substances of bacterial cells. B) anionic. C) used in negative staining. D) repelled by cells. E) dyes such as India ink and nigrosin. A) attracted to the acidic substances of bacterial cells. B) anionic. C) used in negative staining. D) repelled by cells. E) dyes such as India ink and nigrosin.

Exam 3: Tools of the Laboratory: Methods of Studying Microorganisms

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A bacterial cell that is deposited on the surface of an appropriate solid growth media will divide repeatedly until it forms a visible accumulation of bacterial growth. This is known as a bacterial

(Multiple Choice)

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Question 41

Mixed cultures are also referred to as contaminated cultures.

(True/False)

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Question 42

The Gram stain, acid-fast stain, and endospore stain ____________.

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Question 43

Sally had a throat sample taken at a satellite lab within her health care provider's office. What kind of media would be best suited for maintaining the quality of this specimen prior to its arrival in the clinical laboratory?

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Question 44

Which microscope bombards a whole, metal-coated specimen with electrons moving back and forth over it?

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Question 45

Which is incorrect about chocolate agar?

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Question 46

Which of the following will result when 1% to 5% agar is added to nutrient broth, boiled and cooled?

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Question 47

A microbiologist inoculates Staphylococcus aureus into a culture medium. Following incubation, both Staphylococcus aureus and Staphylococcus epidermidis are determined to be growing in this culture. What is the most likely explanation?

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Question 48

Newly inoculated cultures must be _____ at a specific temperature and time to encourage growth.

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Question 49

Explain how and why immersion oil increases resolution but not magnification when using the 100X objective.

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Question 50

If a microbiologist is studying a specimen at a total magnification of 950X, what is the magnifying power of the objective lens if the ocular lens is 10X?

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Question 51

Which type of media can be used to determine if a bacteria is motile?

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Question 52

All of the following are examples of different types of microbiological media except

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Question 53

Basic dyes are

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Question 54

Magnification is achieved in a compound microscope through the initial magnification of the specimen by the _ lens. This image is then projected to the _ lens that will further magnify the specimen to form a virtual image received by the eye.

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Question 55

The bending of light rays as they pass from one medium to another is called refraction.

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Question 56

Observing and characterizing colonial growth for size, shape, edge, elevation, color, odor, and texture is part of ___.

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Question 57

The wavelength of light used plus the numerical aperture governs

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Question 58

A selective medium contains one or more substances that inhibit growth of certain microbes in order to facilitate the growth of other microbes.

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Question 59

Some microbes are not capable of growing on artificial media.

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Question 60

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Exam 3: Tools of the Laboratory: Methods of Studying Microorganisms

A bacterial cell that is deposited on the surface of an appropriate solid growth media will divide repeatedly until it forms a visible accumulation of bacterial growth. This is known as a bacterial

Mixed cultures are also referred to as contaminated cultures.

The Gram stain, acid-fast stain, and endospore stain ____________.

Sally had a throat sample taken at a satellite lab within her health care provider's office. What kind of media would be best suited for maintaining the quality of this specimen prior to its arrival in the clinical laboratory?

Which microscope bombards a whole, metal-coated specimen with electrons moving back and forth over it?

Which is incorrect about chocolate agar?

Which of the following will result when 1% to 5% agar is added to nutrient broth, boiled and cooled?

A microbiologist inoculates Staphylococcus aureus into a culture medium. Following incubation, both Staphylococcus aureus and Staphylococcus epidermidis are determined to be growing in this culture. What is the most likely explanation?

Newly inoculated cultures must be _____ at a specific temperature and time to encourage growth.

Explain how and why immersion oil increases resolution but not magnification when using the 100X objective.

If a microbiologist is studying a specimen at a total magnification of 950X, what is the magnifying power of the objective lens if the ocular lens is 10X?

Which type of media can be used to determine if a bacteria is motile?

All of the following are examples of different types of microbiological media except

Basic dyes are

Magnification is achieved in a compound microscope through the initial magnification of the specimen by the _____ lens. This image is then projected to the _____ lens that will further magnify the specimen to form a virtual image received by the eye.

The bending of light rays as they pass from one medium to another is called refraction.

Observing and characterizing colonial growth for size, shape, edge, elevation, color, odor, and texture is part of ___.

The wavelength of light used plus the numerical aperture governs

A selective medium contains one or more substances that inhibit growth of certain microbes in order to facilitate the growth of other microbes.

Some microbes are not capable of growing on artificial media.

The Main Themes of Microbiology

The Chemistry of Biology

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

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Magnification is achieved in a compound microscope through the initial magnification of the specimen by the _ lens. This image is then projected to the _ lens that will further magnify the specimen to form a virtual image received by the eye.