Question 1

A microorganism that is not motile and has stopped metabolizing could be considered dead.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following microbial forms have the highest resistance to physical and chemical controls?

Accepted Answer

A) naked viruses 
B) protozoan cysts 
C) fungal spores 
D) bacterial endospores 
E) yeast 
A) naked viruses 
B) protozoan cysts 
C) fungal spores 
D) bacterial endospores 
E) yeast

Question 3

_____ is a halogen used in gaseous and liquid form for large scale disinfection of drinking water and sewage.

Accepted Answer

The answer of _____ is a halogen used in gaseous...

Question 4

The use of a physical or chemical process to destroy vegetative pathogens on inanimate objects is:

Accepted Answer

A) disinfection. 
B) sterilization. 
C) antisepsis. 
D) sanitization. 
E) degermation. 
A) disinfection. 
B) sterilization. 
C) antisepsis. 
D) sanitization. 
E) degermation.

Question 5

Chlorine dioxide and ethylene oxide are gaseous sterilants.

Accepted Answer

A) True 
 B)False

Question 6

Endospores can be killed by:

Accepted Answer

A) dry heat at 170$\circ$ C for 2 hours. 
B) incineration. 
C) glutaldehyde for 3 or more hours. 
D) ethylene oxide for 3 or more hours. 
E) All of the choices are correct. 
A) dry heat at 170$\circ$ C for 2 hours. 
B) incineration. 
C) glutaldehyde for 3 or more hours. 
D) ethylene oxide for 3 or more hours. 
E) All of the choices are correct.

Question 7

Which of these metals have antimicrobial properties associated with them?

Accepted Answer

A) Silver 
B) Gold 
C) Tin 
D) Aluminum 
E) Both A and B are correct. 
A) Silver 
B) Gold 
C) Tin 
D) Aluminum 
E) Both A and B are correct.

Question 8

Which of the following does not contain a heavy metal?

Accepted Answer

A) Tincture of iodine 
B) Merthiolate 
C) Silver nitrate solutions 
D) Zinc 
E) Mercurochrome 
A) Tincture of iodine 
B) Merthiolate 
C) Silver nitrate solutions 
D) Zinc 
E) Mercurochrome

Question 9

Most microbial contaminants of food are killed at freezing temperatures.

Accepted Answer

A) True 
 B)False

Question 10

Physical agents for controlling microbial growth include all of the following, except:

Accepted Answer

A) ultraviolet radiation. 
B) boiling water. 
C) HEPA filters. 
D) pasteurization. 
E) hydrogen peroxide. 
A) ultraviolet radiation. 
B) boiling water. 
C) HEPA filters. 
D) pasteurization. 
E) hydrogen peroxide.

Question 11

Alcohols are more effective at inactivating enveloped viruses than naked viruses.

Accepted Answer

A) True 
 B)False

Question 12

The process that destroys or removes all microorganisms and microbial forms including bacterial endospores is:

Accepted Answer

A) disinfection. 
B) sterilization. 
C) antisepsis. 
D) sanitization. 
E) degermation. 
A) disinfection. 
B) sterilization. 
C) antisepsis. 
D) sanitization. 
E) degermation.

Question 13

Historically, which of the following was instilled into the eyes of newborn infants to prevent gonococcal infections?

Accepted Answer

A) triclosan 
B) formaldehyde 
C) phenol 
D) silver nitrate 
E) mercurochrome 
A) triclosan 
B) formaldehyde 
C) phenol 
D) silver nitrate 
E) mercurochrome

A microorganism that is not motile and has stopped metabolizing could be considered dead.

Which of the following microbial forms have the highest resistance to physical and chemical controls?

_____ is a halogen used in gaseous and liquid form for large scale disinfection of drinking water and sewage.

The use of a physical or chemical process to destroy vegetative pathogens on inanimate objects is:

Chlorine dioxide and ethylene oxide are gaseous sterilants.

Endospores can be killed by:

Which of these metals have antimicrobial properties associated with them?

Which of the following does not contain a heavy metal?

Most microbial contaminants of food are killed at freezing temperatures.

Physical agents for controlling microbial growth include all of the following, except:

Alcohols are more effective at inactivating enveloped viruses than naked viruses.

The process that destroys or removes all microorganisms and microbial forms including bacterial endospores is:

Historically, which of the following was instilled into the eyes of newborn infants to prevent gonococcal infections?

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

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

An Introduction to Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Drugs, Microbes, Host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection, Disease, and Epidemiology

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

Filters

Exam 11: Physical and Chemical Agents for Microbial Control

A microorganism that is not motile and has stopped metabolizing could be considered dead.

Which of the following microbial forms have the highest resistance to physical and chemical controls?

_____ is a halogen used in gaseous and liquid form for large scale disinfection of drinking water and sewage.

The use of a physical or chemical process to destroy vegetative pathogens on inanimate objects is:

Chlorine dioxide and ethylene oxide are gaseous sterilants.

Endospores can be killed by:

Which of these metals have antimicrobial properties associated with them?

Which of the following does not contain a heavy metal?

Most microbial contaminants of food are killed at freezing temperatures.

Physical agents for controlling microbial growth include all of the following, except:

Alcohols are more effective at inactivating enveloped viruses than naked viruses.

The process that destroys or removes all microorganisms and microbial forms including bacterial endospores is:

Historically, which of the following was instilled into the eyes of newborn infants to prevent gonococcal infections?

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

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

An Introduction to Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Drugs, Microbes, Host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection, Disease, and Epidemiology

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

Filters