Question 1

Which of the following is a target for disinfectants and antiseptics?

Accepted Answer

A) Nucleic acid synthesis 
B) Cell wall synthesis 
C) Plasma membrane 
D) Protein structure 
E) All of the above 
A) Nucleic acid synthesis 
B) Cell wall synthesis 
C) Plasma membrane 
D) Protein structure 
E) All of the above

Question 2

Explain what happens when a protein becomes denatured and why this process is likely to be detrimental to microbes.Provide three examples of how proteins can be denatured.

Accepted Answer

Denaturation involves altering the three

Question 3

A solution made by combining alcohol with another antimicrobial compound is a

Accepted Answer

A) Bisphenolic 
B) Tincture 
C) Surfactant 
D) QUAT 
A) Bisphenolic 
B) Tincture 
C) Surfactant 
D) QUAT

Question 4

Answer true or false to the reason given in the following statement: The sizes of the zones of inhibition seen with different chemicals are not comparable because bacteria move at different rates.

Accepted Answer

A) True 
 B)False

Question 5

The thermal death time (TDT)is

Accepted Answer

A) The lowest temperature needed to kill all microbes in 10 minutes 
B) The shortest amount of time necessary for complete oxidation 
C) The time required for all proteins to denature in a sample 
D) The shortest period required to kill all microbes at a particular temperature 
A) The lowest temperature needed to kill all microbes in 10 minutes 
B) The shortest amount of time necessary for complete oxidation 
C) The time required for all proteins to denature in a sample 
D) The shortest period required to kill all microbes at a particular temperature

Question 6

Which of the following is not a quality of an antimicrobial used for disinfection and 	antisepsis?

Accepted Answer

A) It should have a narrow spectrum of activity 
B) It should be effective even in the presence of bodily fluids 
C) It should not be toxic 
D) It should be chemically stable 
A) It should have a narrow spectrum of activity 
B) It should be effective even in the presence of bodily fluids 
C) It should not be toxic 
D) It should be chemically stable

Question 7

Nucleic acids are most sensitive to which of the following procedures

Accepted Answer

A) Filtration 
B) Pasteurization 
C) Ionizing radiation 
D) Freeze-drying 
E) Surfactants 
A) Filtration 
B) Pasteurization 
C) Ionizing radiation 
D) Freeze-drying 
E) Surfactants

Question 8

Microbial death has occurred if

Accepted Answer

A) Microbes are no longer able to form endospores 
B) Reproductive capability is lost even when microbe is placed in optimal conditions 
C) The microbe stops growing 
D) DNA mutation rates increase 
A) Microbes are no longer able to form endospores 
B) Reproductive capability is lost even when microbe is placed in optimal conditions 
C) The microbe stops growing 
D) DNA mutation rates increase

Which of the following is a target for disinfectants and antiseptics?

Explain what happens when a protein becomes denatured and why this process is likely to be detrimental to microbes.Provide three examples of how proteins can be denatured.

A solution made by combining alcohol with another antimicrobial compound is a

Answer true or false to the reason given in the following statement: The sizes of the zones of inhibition seen with different chemicals are not comparable because bacteria move at different rates.

The thermal death time (TDT)is

Which of the following is not a quality of an antimicrobial used for disinfection and antisepsis?

Nucleic acids are most sensitive to which of the following procedures

Microbial death has occurred if

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

Bacterial Growth

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

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 18: Control of Microbial Growth with Disinfectants and Antiseptics

Which of the following is a target for disinfectants and antiseptics?

Explain what happens when a protein becomes denatured and why this process is likely to be detrimental to microbes.Provide three examples of how proteins can be denatured.

A solution made by combining alcohol with another antimicrobial compound is a

Answer true or false to the reason given in the following statement: The sizes of the zones of inhibition seen with different chemicals are not comparable because bacteria move at different rates.

The thermal death time (TDT)is

Which of the following is not a quality of an antimicrobial used for disinfection and antisepsis?

Nucleic acids are most sensitive to which of the following procedures

Microbial death has occurred if

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

Bacterial Growth

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

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