Question 1

Infections manifested on the body's extremities are most likely to be associated with microbes that prefer temperatures _____ the host's normal body temperature.

Accepted Answer

A) The same as 
B) On the low side of 
C) Above 
A) The same as 
B) On the low side of 
C) Above

Question 2

A growth medium for which the exact chemical makeup is known and can be precisely reproduced is a _____ medium.

Accepted Answer

A) Complex 
B) Selective 
C) Differential 
D) Chemically defined 
A) Complex 
B) Selective 
C) Differential 
D) Chemically defined

Question 3

Which of the following is required for biosynthesis of cysteine but not other amino acids?

Accepted Answer

A) Sulfur 
B) Carbon 
C) Nitrogen 
D) Oxygen 
E) Phosphorus 
A) Sulfur 
B) Carbon 
C) Nitrogen 
D) Oxygen 
E) Phosphorus

Question 4

What is a chemostat? Why are chemostats used by biotechnology and pharmaceutical companies?

Accepted Answer

A chemostat is a growth chamber in which

Question 5

Which of the following is a mismatched pair?

Accepted Answer

A) Growth at low pH values; acidophiles 
B) Obligate halophile; requires high salt conditions for growth 
C) Facultative anaerobes; require oxygen for growth 
D) Selective medium; prohibits growth of some organisms 
A) Growth at low pH values; acidophiles 
B) Obligate halophile; requires high salt conditions for growth 
C) Facultative anaerobes; require oxygen for growth 
D) Selective medium; prohibits growth of some organisms

Question 6

Which of the following is a mismatched pair?

Accepted Answer

A) Hyperthermophile; grows at 80°C or above 
B) Acidophile; grows between pH 0 and pH 5 
C) Mesophile; grows near human body temperature 
D) Microaerophile; grows in 20% oxygen 
E) Alkalophile; grows between pH 8.5 and pH 11.5 
A) Hyperthermophile; grows at 80°C or above 
B) Acidophile; grows between pH 0 and pH 5 
C) Mesophile; grows near human body temperature 
D) Microaerophile; grows in 20% oxygen 
E) Alkalophile; grows between pH 8.5 and pH 11.5

Question 7

Which of the following methods would be used to obtain a clinical sample from the stomach?

Accepted Answer

A) Catheterization 
B) Intubation 
C) Needle aspiration 
D) Sterile swab 
E) "Clean catch" method 
A) Catheterization 
B) Intubation 
C) Needle aspiration 
D) Sterile swab 
E) "Clean catch" method

Question 8

Explain why growth rate is an important consideration in the context of the disease process and diagnosis.

Accepted Answer

Organisms with slow growth rates are gen

Question 9

What is the name of microorganisms that cannot survive unless they are in an environment containing a great deal of salt?

Accepted Answer

A) Extreme halophile 
B) Facultative halophile 
C) Facultative anaerobe 
D) Obligate halophile 
E) Obligate aerobe 
A) Extreme halophile 
B) Facultative halophile 
C) Facultative anaerobe 
D) Obligate halophile 
E) Obligate aerobe

Question 10

The enzyme catalase catalyzes conversion of _____ to water and oxygen.

Accepted Answer

A) Free-radical oxygen 
B) Hydrogen ion 
C) Hydroxyl ion 
D) Hydrogen peroxide 
A) Free-radical oxygen 
B) Hydrogen ion 
C) Hydroxyl ion 
D) Hydrogen peroxide

Question 11

A recent hurricane has disrupted the local sewage facilities in your community.A water sample is filtered to trap suspected fecal contaminants and the filter is transferred to an eosin methylene blue (EMB)agar plate.On the following day you note growth and a bright green sheen on some of the colonies.The green colonies are most likely to be

Accepted Answer

A) Gram-negative bacteria 
B) Gram-positive bacteria 
C) Unable to ferment lactose 
D) Viruses 
A) Gram-negative bacteria 
B) Gram-positive bacteria 
C) Unable to ferment lactose 
D) Viruses

Question 12

Which growth characteristic best matches Clostridium perfringens?

Accepted Answer

A) Extreme thermophile 
B) Spirochete 
C) Obligate anaerobe 
D) Short doubling time 
E) Grows inside mucous layer 
A) Extreme thermophile 
B) Spirochete 
C) Obligate anaerobe 
D) Short doubling time 
E) Grows inside mucous layer

Infections manifested on the body's extremities are most likely to be associated with microbes that prefer temperatures _____ the host's normal body temperature.

A growth medium for which the exact chemical makeup is known and can be precisely reproduced is a _____ medium.

Which of the following is required for biosynthesis of cysteine but not other amino acids?

What is a chemostat? Why are chemostats used by biotechnology and pharmaceutical companies?

Which of the following is a mismatched pair?

Which of the following is a mismatched pair?

Which of the following methods would be used to obtain a clinical sample from the stomach?

Explain why growth rate is an important consideration in the context of the disease process and diagnosis.

What is the name of microorganisms that cannot survive unless they are in an environment containing a great deal of salt?

The enzyme catalase catalyzes conversion of _____ to water and oxygen.

Which growth characteristic best matches Clostridium perfringens?

What is Microbiology and Why Does it Matter?

Fundamental Chemistry for Microbiology

Essentials of Metabolism

An Introduction to Cell Structure and Host-Pathogen Relationships

Requirements for Infection

Transmission of Infection, the Compromised Host, Epidemiology, and Diagnosing Infections

Principles of Disease

Emerging and Re-Emerging Infectious Disease

The Clinical Significance of Bacterial Anatomy

Microbial Genetics and Infectious Disease

The Structure and Infection Cycle of Viruses

Viral Infection

Parasitic and Fungal Infections

The Innate Immune Response

The Adaptive Immune Response

Failures of the Immune Response

Control of Microbial Growth with Disinfectants and Antiseptics

Antibiotics and Antimicrobial Drugs

Antibiotic Resistance

Infections of the Respiratory System

Infections of the Digestive System

Infections of the Genitourinary System

Infections of the Central Nervous System

Infections of the Blood and Lymph

Infections of the Skin and Eyes

Filters

Exam 10: Bacterial Growth

Infections manifested on the body's extremities are most likely to be associated with microbes that prefer temperatures _____ the host's normal body temperature.

A growth medium for which the exact chemical makeup is known and can be precisely reproduced is a _____ medium.

Which of the following is required for biosynthesis of cysteine but not other amino acids?

What is a chemostat? Why are chemostats used by biotechnology and pharmaceutical companies?

Which of the following is a mismatched pair?

Which of the following is a mismatched pair?

Which of the following methods would be used to obtain a clinical sample from the stomach?

Explain why growth rate is an important consideration in the context of the disease process and diagnosis.

What is the name of microorganisms that cannot survive unless they are in an environment containing a great deal of salt?

The enzyme catalase catalyzes conversion of _____ to water and oxygen.

Which growth characteristic best matches Clostridium perfringens?

What is Microbiology and Why Does it Matter?

Fundamental Chemistry for Microbiology

Essentials of Metabolism

An Introduction to Cell Structure and Host-Pathogen Relationships

Requirements for Infection

Transmission of Infection, the Compromised Host, Epidemiology, and Diagnosing Infections

Principles of Disease

Emerging and Re-Emerging Infectious Disease

The Clinical Significance of Bacterial Anatomy

Microbial Genetics and Infectious Disease

The Structure and Infection Cycle of Viruses

Viral Infection

Parasitic and Fungal Infections

The Innate Immune Response

The Adaptive Immune Response

Failures of the Immune Response

Control of Microbial Growth with Disinfectants and Antiseptics

Antibiotics and Antimicrobial Drugs

Antibiotic Resistance

Infections of the Respiratory System

Infections of the Digestive System

Infections of the Genitourinary System

Infections of the Central Nervous System

Infections of the Blood and Lymph

Infections of the Skin and Eyes

Filters