Question 1

A protein that interferes with the ability of a virus to replicate inside a host cell is _____.

Accepted Answer

A) streptolysin 
B) leukocidin 
C) interferon 
D) histamine 
A) streptolysin 
B) leukocidin 
C) interferon 
D) histamine

Question 2

Toll-like receptors can distinguish between:

Accepted Answer

A) nonspecific and specific immune responses 
B) gram-negative and gram-positive bacteria 
C) bacteria versus viruses 
D) two of these 
A) nonspecific and specific immune responses 
B) gram-negative and gram-positive bacteria 
C) bacteria versus viruses 
D) two of these

Question 3

Granulocytes include all of the following except:

Accepted Answer

A) basophils 
B) neutrophils 
C) lymphocytes 
D) eosinophils 
A) basophils 
B) neutrophils 
C) lymphocytes 
D) eosinophils

Question 4

What occurs in a lymph node

Accepted Answer

A) Lymph moves in two directions. 
B) Lymph enters sinuses lined by aggregations of B cells. 
C) Bacteria are removed by phagocytes and the adaptive immune response is initiated. 
D) Only lymphocytes flow through the lymph nodes therefore they are not a site of infection. 
A) Lymph moves in two directions. 
B) Lymph enters sinuses lined by aggregations of B cells. 
C) Bacteria are removed by phagocytes and the adaptive immune response is initiated. 
D) Only lymphocytes flow through the lymph nodes therefore they are not a site of infection.

Question 5

Interferons are stimulated by viruses and _____.

Accepted Answer

A) are produced only by macrophages 
B) stimulate the production of antiviral proteins in neighboring cells 
C) form membrane attack complexes 
D) none of these choices 
A) are produced only by macrophages 
B) stimulate the production of antiviral proteins in neighboring cells 
C) form membrane attack complexes 
D) none of these choices

Question 6

Cytokines:

Accepted Answer

A) are soluble proteins 
B) function in host defenses such as macrophage chemotaxis 
C) include interferons 
D) all of these 
A) are soluble proteins 
B) function in host defenses such as macrophage chemotaxis 
C) include interferons 
D) all of these

Question 7

What non-specific defense component is directly responsible for the lysis of invading microorganisms

Accepted Answer

A) Chemotaxis 
B) Membrane attack complex 
C) Opsonin 
D) Chronic inflammation 
A) Chemotaxis 
B) Membrane attack complex 
C) Opsonin 
D) Chronic inflammation

Question 8

Antiviral proteins (AVPs)interfere with the replication of which of the following molecules

Accepted Answer

A) DNA 
B) protein 
C) mRNA 
D) all of these 
A) DNA 
B) protein 
C) mRNA 
D) all of these

Question 9

Physical barriers of nonspecific defenses:

Accepted Answer

A) include both the cells that line the body surfaces and the chemicals they secrete 
B) include phagocytes and interferon 
C) respond to antigens by making thousands of different antibodies 
D) are part of the host immune defenses 
A) include both the cells that line the body surfaces and the chemicals they secrete 
B) include phagocytes and interferon 
C) respond to antigens by making thousands of different antibodies 
D) are part of the host immune defenses

Question 10

During inflammation,permeable capillary walls allow accumulation of fluids near injured cells causing which of the following

Accepted Answer

A) calor 
B) redness 
C) edema 
D) blood clotting 
A) calor 
B) redness 
C) edema 
D) blood clotting

A protein that interferes with the ability of a virus to replicate inside a host cell is _____.

Toll-like receptors can distinguish between:

Granulocytes include all of the following except:

What occurs in a lymph node

Interferons are stimulated by viruses and _____.

Cytokines:

What non-specific defense component is directly responsible for the lysis of invading microorganisms

Antiviral proteins (AVPs)interfere with the replication of which of the following molecules

Physical barriers of nonspecific defenses:

During inflammation,permeable capillary walls allow accumulation of fluids near injured cells causing which of the following

Scope and History of Microbiology

The Microbiome

Fundamentals of Chemistry

Microscopy and Staining

Characteristics of Prokaryotic and Eukaryotic Cells

Essential Concepts of Metabolism

Growth and Culturing of Bacteria

Microbial Genetics

Gene Transfer and Genetic Engineering

An Introduction to Taxonomy: The Bacteria

Viruses

Eukaryotic Microorganisms and Parasites

Sterilization and Disinfection

Antimicrobial Therapy

Host-Microbe Relationships and Disease Processes

Epidemiology and Nosocomial Infections

Basic Principles of Adaptive Immunity and Immunization

Immune Disorders

Diseases of the Skin and Eyes; Wounds and Bites

Urogenital and Sexually Transmitted Diseases

Diseases of the Respiratory System

Oral and Gastrointestinal Diseases

Cardiovascular, Lymphatic, and Systemic Diseases

Diseases of the Nervous System

Environmental Microbiology

Applied Microbiology

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Exam 17: Innate Host Defenses

A protein that interferes with the ability of a virus to replicate inside a host cell is _____.

Toll-like receptors can distinguish between:

Granulocytes include all of the following except:

What occurs in a lymph node

Interferons are stimulated by viruses and _____.

Cytokines:

What non-specific defense component is directly responsible for the lysis of invading microorganisms

Antiviral proteins (AVPs)interfere with the replication of which of the following molecules

Physical barriers of nonspecific defenses:

During inflammation,permeable capillary walls allow accumulation of fluids near injured cells causing which of the following

Scope and History of Microbiology

The Microbiome

Fundamentals of Chemistry

Microscopy and Staining

Characteristics of Prokaryotic and Eukaryotic Cells

Essential Concepts of Metabolism

Growth and Culturing of Bacteria

Microbial Genetics

Gene Transfer and Genetic Engineering

An Introduction to Taxonomy: The Bacteria

Viruses

Eukaryotic Microorganisms and Parasites

Sterilization and Disinfection

Antimicrobial Therapy

Host-Microbe Relationships and Disease Processes

Epidemiology and Nosocomial Infections

Basic Principles of Adaptive Immunity and Immunization

Immune Disorders

Diseases of the Skin and Eyes; Wounds and Bites

Urogenital and Sexually Transmitted Diseases

Diseases of the Respiratory System

Oral and Gastrointestinal Diseases

Cardiovascular, Lymphatic, and Systemic Diseases

Diseases of the Nervous System

Environmental Microbiology

Applied Microbiology

Filters