Question 1

Soaps and detergents are very effective as sterilants.

Accepted Answer

A) True 
 B)False

Question 2

_____ heat is more rapidly effective and efficient compared to _____ heat.

Accepted Answer

A) High;dry 
B) High;moist 
C) Dry;moist 
D) Moist;dry 
E) Moist;high 
A) High;dry 
B) High;moist 
C) Dry;moist 
D) Moist;dry 
E) Moist;high

Question 3

Which of the following microbial forms has 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 4

Dry heat

Accepted Answer

A) is less efficient than moist heat. 
B) cannot sterilize. 
C) includes tyndallization. 
D) is used in devices called autoclaves. 
E) will sterilize at 121$\circ$C for 15 minutes. 
A) is less efficient than moist heat. 
B) cannot sterilize. 
C) includes tyndallization. 
D) is used in devices called autoclaves. 
E) will sterilize at 121$\circ$C for 15 minutes.

Question 5

Hydrogen peroxide is

Accepted Answer

A) sporicidal. 
B) fungicidal. 
C) bactericidal. 
D) virucidal. 
E) All of the choices are correct. 
A) sporicidal. 
B) fungicidal. 
C) bactericidal. 
D) virucidal. 
E) All of the choices are correct.

Question 6

All of the following pertain to hypochlorites except

Accepted Answer

A) release hypochlorous acid in solution. 
B) cause denaturation of enzymes. 
C) found in iodophors. 
D) used to disinfect dairy,restaurant,and medical equipment. 
E) found in common household bleach. 
A) release hypochlorous acid in solution. 
B) cause denaturation of enzymes. 
C) found in iodophors. 
D) used to disinfect dairy,restaurant,and medical equipment. 
E) found in common household bleach.

Question 7

Using a HEPA filter in a vacuum or furnace is an example of which microbial control method?

Accepted Answer

A) physical method 
B) dry method 
C) chemical agent 
D) gases 
E) surfactant 
A) physical method 
B) dry method 
C) chemical agent 
D) gases 
E) surfactant

Question 8

The method of removing vegetative life forms from living surfaces is termed

Accepted Answer

A) antisepsis. 
B) disinfection. 
C) sterilization. 
D) decontamination. 
A) antisepsis. 
B) disinfection. 
C) sterilization. 
D) decontamination.

Question 9

Organisms in the genus Pseudomonas are resistant to quarts.

Accepted Answer

A) True 
 B)False

Question 10

Ethylene oxide is

Accepted Answer

A) sporicidal. 
B) only effective with high heat. 
C) the active agent in household bleach. 
D) used as an antiseptic against anaerobes. 
E) a halogen. 
A) sporicidal. 
B) only effective with high heat. 
C) the active agent in household bleach. 
D) used as an antiseptic against anaerobes. 
E) a halogen.

Question 11

A method for sterilizing milk,called _____ treatment,uses 134$\circ$ C for 1 to 2 seconds.

Accepted Answer

A) pasteurization 
B) batch pasteurization 
C) flash pasteurization 
D) ultra high temperature 
E) tyndallization 
A) pasteurization 
B) batch pasteurization 
C) flash pasteurization 
D) ultra high temperature 
E) tyndallization

Question 12

What instrument is most effective for pressure-temperature sterilization?

Accepted Answer

A) oven 
B) autoclave 
C) water-bath 
D) Bunsen burner 
E) incubator 
A) oven 
B) autoclave 
C) water-bath 
D) Bunsen burner 
E) incubator

Question 13

Which is mismatched?

Accepted Answer

A) sodium hypochlorite - chlorine 
B) iodophor - iodine 
C) benzalkonium chloride - quaternary ammonium compound 
D) merthiolate - silver 
E) formalin - formaldehyde 
A) sodium hypochlorite - chlorine 
B) iodophor - iodine 
C) benzalkonium chloride - quaternary ammonium compound 
D) merthiolate - silver 
E) formalin - formaldehyde

Question 14

Which of the following acids is not used to destroy or inhibit microbial cells in food?

Accepted Answer

A) acetic acid 
B) benzoic acid 
C) lactic acid 
D) phosphoric acid 
E) propionic acid 
A) acetic acid 
B) benzoic acid 
C) lactic acid 
D) phosphoric acid 
E) propionic acid

Question 15

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

Accepted Answer

A) True 
 B)False

Soaps and detergents are very effective as sterilants.

_ heat is more rapidly effective and efficient compared to _ heat.

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

Dry heat

Hydrogen peroxide is

All of the following pertain to hypochlorites except

Using a HEPA filter in a vacuum or furnace is an example of which microbial control method?

The method of removing vegetative life forms from living surfaces is termed

Organisms in the genus Pseudomonas are resistant to quarts.

Ethylene oxide is

A method for sterilizing milk,called _____ treatment,uses 134^$\circ$ C for 1 to 2 seconds.

What instrument is most effective for pressure-temperature sterilization?

Which is mismatched?

Which of the following acids is not used to destroy or inhibit microbial cells in food?

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

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Prokaryotic Profiles: The Bacteria and Archaea

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Microbial Nutrition, Ecology, and Growth

Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Drugs, Microbes, host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

Filters

Exam 11: Physical and Chemical Control of Microbes

Soaps and detergents are very effective as sterilants.

_____ heat is more rapidly effective and efficient compared to _____ heat.

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

Dry heat

Hydrogen peroxide is

All of the following pertain to hypochlorites except

Using a HEPA filter in a vacuum or furnace is an example of which microbial control method?

The method of removing vegetative life forms from living surfaces is termed

Organisms in the genus Pseudomonas are resistant to quarts.

Ethylene oxide is

A method for sterilizing milk,called _____ treatment,uses 134 ∘\circ∘ C for 1 to 2 seconds.

What instrument is most effective for pressure-temperature sterilization?

Which is mismatched?

Which of the following acids is not used to destroy or inhibit microbial cells in food?

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

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Prokaryotic Profiles: The Bacteria and Archaea

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Microbial Nutrition, Ecology, and Growth

Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Drugs, Microbes, host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

Filters

_ heat is more rapidly effective and efficient compared to _ heat.

A method for sterilizing milk,called _____ treatment,uses 134^$\circ$ C for 1 to 2 seconds.