Question 1

Which of the following patients appear the same?

Accepted Answer

A) Normal patients and acute-stage patients 
B) Normal patients and prodromal patients 
C) Asymptomatic patients and normal patients 
D) Asymptomatic patients and acute-stage patients 
A) Normal patients and acute-stage patients 
B) Normal patients and prodromal patients 
C) Asymptomatic patients and normal patients 
D) Asymptomatic patients and acute-stage patients C

Question 2

The mode of microbe transmission that involves a needle-stick is called:

Accepted Answer

A) direct contact. 
B) indirect contact. 
C) droplet infection. 
D) airborne infection. 
A) direct contact. 
B) indirect contact. 
C) droplet infection. 
D) airborne infection. B

Question 3

Host defense mechanisms that we are born with and are always active are referred to as _________ defenses.

Accepted Answer

A) acquired 
B) long-term 
C) artificial 
D) innate 
A) acquired 
B) long-term 
C) artificial 
D) innate D

Question 4

An asymptomatic carrier can be in which of the following stages of an infectious disease?

Accepted Answer

A) Convalescent 
B) Acute 
C) Prodromal 
D) Incubation 
A) Convalescent 
B) Acute 
C) Prodromal 
D) Incubation

Question 5

Microbes that are usually harmless but can cause disease under certain conditions are called _____ pathogens.

Accepted Answer

A) opportunistic 
B) toxigenic 
C) endogenous 
D) exogenous 
A) opportunistic 
B) toxigenic 
C) endogenous 
D) exogenous

Question 6

Spreading a microbe from one patient to another by reusing improperly sterilized instruments is referred to as cross-contamination through:

Accepted Answer

A) direct contact. 
B) indirect contact. 
C) droplet infection. 
D) airborne infection. 
A) direct contact. 
B) indirect contact. 
C) droplet infection. 
D) airborne infection.

Question 7

The major source of disease agents in the dental office is:

Accepted Answer

A) dental unit water. 
B) the mouth of the patient. 
C) air. 
D) dust. 
A) dental unit water. 
B) the mouth of the patient. 
C) air. 
D) dust.

Question 8

Which of the following is a chemical barrier to infectious diseases?

Accepted Answer

A) Ciliary escalator 
B) Hair in the nose 
C) Lysozyme 
D) Coughing 
A) Ciliary escalator 
B) Hair in the nose 
C) Lysozyme 
D) Coughing

Question 9

Which of the following best describes antibodies?

Accepted Answer

A) Chemicals produced by bacteria or fungi that can kill other microorganisms 
B) Proteins that are released from bacteria to degrade large substances to smaller chemicals that can be taken into the cell and used for growth 
C) Special proteins produced in the body in the presence of antigens that aid in destroying those antigens or help in their removal from the body 
D) A part of the cell wall of gram-negative bacteria that enhances inflammation when released from the bacterial cell 
A) Chemicals produced by bacteria or fungi that can kill other microorganisms 
B) Proteins that are released from bacteria to degrade large substances to smaller chemicals that can be taken into the cell and used for growth 
C) Special proteins produced in the body in the presence of antigens that aid in destroying those antigens or help in their removal from the body 
D) A part of the cell wall of gram-negative bacteria that enhances inflammation when released from the bacterial cell

Question 10

The mode of microbe transmission that involves small droplet nuclei such as those generated from dental aerosols is called:

Accepted Answer

A) direct contact. 
B) indirect contact. 
C) droplet infection. 
D) airborne infection. 
A) direct contact. 
B) indirect contact. 
C) droplet infection. 
D) airborne infection.

Question 11

Anaphylactic shock is defined as:

Accepted Answer

A) a bacterial disease of the lungs and skin, also called tuberculosis. 
B) a viral disease of the brain and spinal cord similar to bacterial meningitis. 
C) an allergy to a substance distributed throughout the body, affecting the blood, lungs, and heart. 
D) the production of large amounts of antibodies in response to a particular bacterial disease. 
A) a bacterial disease of the lungs and skin, also called tuberculosis. 
B) a viral disease of the brain and spinal cord similar to bacterial meningitis. 
C) an allergy to a substance distributed throughout the body, affecting the blood, lungs, and heart. 
D) the production of large amounts of antibodies in response to a particular bacterial disease.

Question 12

Special proteins that are made by the body after a microbe invades the body and that can destroy that microbe are called:

Accepted Answer

A) antibodies. 
B) antigens. 
C) barriers. 
D) enzymes. 
A) antibodies. 
B) antigens. 
C) barriers. 
D) enzymes.

Question 13

Which of the following best describes extracellular enzymes?

Accepted Answer

A) Chemicals produced by bacteria or fungi that can kill other microorganisms 
B) Proteins that are released from bacteria to degrade large substances to smaller chemicals that can be taken into the cell and used for growth 
C) Special proteins produced in the body in the presence of antigens that aid in destroying those antigens or help in their removal from the body 
D) A part of the cell wall of gram-negative bacteria that enhances inflammation when released from the bacterial cell 
A) Chemicals produced by bacteria or fungi that can kill other microorganisms 
B) Proteins that are released from bacteria to degrade large substances to smaller chemicals that can be taken into the cell and used for growth 
C) Special proteins produced in the body in the presence of antigens that aid in destroying those antigens or help in their removal from the body 
D) A part of the cell wall of gram-negative bacteria that enhances inflammation when released from the bacterial cell

Question 14

The immunity that develops from receiving the hepatitis B vaccination series is called _____ immunity.

Accepted Answer

A) innate 
B) allergic 
C) interferon 
D) artificial 
A) innate 
B) allergic 
C) interferon 
D) artificial

Question 15

Our bodies are usually free of bacteria except when we get sick from an exogenous disease.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is a physical barrier to infectious diseases?

Accepted Answer

A) Mucous membranes 
B) Acid in the stomach 
C) Complement fragments 
D) Interferon 
A) Mucous membranes 
B) Acid in the stomach 
C) Complement fragments 
D) Interferon

Question 17

A very important disease-producing property of Mycobacterium tuberculosis that interferes with a host defense mechanism is:

Accepted Answer

A) being aciduric. 
B) producing histolytic enzymes. 
C) containing endotoxin. 
D) resisting phagocytic digestion. 
A) being aciduric. 
B) producing histolytic enzymes. 
C) containing endotoxin. 
D) resisting phagocytic digestion.

Question 18

Hay fever and asthma are examples of:

Accepted Answer

A) bacterial diseases. 
B) allergic reactions. 
C) contact dermatitis. 
D) anaphylactic shock. 
A) bacterial diseases. 
B) allergic reactions. 
C) contact dermatitis. 
D) anaphylactic shock.

Question 19

Members of the normal body microbiota that can cause disease are called:

Accepted Answer

A) obligate intracellular parasites. 
B) toxigenic pathogens. 
C) endogenous pathogens. 
D) exogenous pathogens. 
A) obligate intracellular parasites. 
B) toxigenic pathogens. 
C) endogenous pathogens. 
D) exogenous pathogens.

Question 20

What type of body cells makes antibodies?

Accepted Answer

A) Brain cells 
B) Red blood cells 
C) Lymphocytes 
D) Phagocytes 
A) Brain cells 
B) Red blood cells 
C) Lymphocytes 
D) Phagocytes

Exam 3: Development of Infectious Diseases

Which of the following patients appear the same?

The mode of microbe transmission that involves a needle-stick is called:

Host defense mechanisms that we are born with and are always active are referred to as _________ defenses.

An asymptomatic carrier can be in which of the following stages of an infectious disease?

Microbes that are usually harmless but can cause disease under certain conditions are called _____ pathogens.

Spreading a microbe from one patient to another by reusing improperly sterilized instruments is referred to as cross-contamination through:

The major source of disease agents in the dental office is:

Which of the following is a chemical barrier to infectious diseases?

Which of the following best describes antibodies?

The mode of microbe transmission that involves small droplet nuclei such as those generated from dental aerosols is called:

Anaphylactic shock is defined as:

Special proteins that are made by the body after a microbe invades the body and that can destroy that microbe are called:

Which of the following best describes extracellular enzymes?

The immunity that develops from receiving the hepatitis B vaccination series is called _____ immunity.

Our bodies are usually free of bacteria except when we get sick from an exogenous disease.

Which of the following is a physical barrier to infectious diseases?

A very important disease-producing property of Mycobacterium tuberculosis that interferes with a host defense mechanism is:

Hay fever and asthma are examples of:

Members of the normal body microbiota that can cause disease are called:

What type of body cells makes antibodies?

Scope of Microbiology and Infection Control

Characteristics of Microorganisms

Emerging Diseases

Oral Microbiology and Plaque-Associated Diseases

Bloodborne Pathogens

Oral and Respiratory Diseases

Infection Control Rationale and Regulations

Immunization

Hand Hygiene

Personal Protective Equipment

Instrument Processing

Surface and Equipment Asepsis

Dental Unit Water Asepsis and Air Quality

Aseptic Techniques

Laboratory and Radiographic Asepsis

Waste Management

Preventing Sharps Injuries

A Clinical Asepsis Protocol

General Office Safety and Asepsis

Greener Infection Control

Cross-Contamination Between Work and Home

About the Occupational Safety and Health Administration

Osha Inspections

Management of the Office Safety Program

Managing Chemicals Safely

Employee Fire Prevention and Emergency Action Plans

Infection Control Concerns During Remodeling or Construction

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