Question 1

Which of the following includes mechanical barriers, chemical barriers, and reflexes?

Accepted Answer

A)  specific defense mechanisms 
B)  third line of defense 
C)  nonspecific defense mechanisms 
D)  interferons and complement proteins 
A)  specific defense mechanisms 
B)  third line of defense 
C)  nonspecific defense mechanisms 
D)  interferons and complement proteins C

Question 2

The "big-eating" fixed phagocytes located in the liver, spleen, and lymph nodes:

Accepted Answer

A)  are called natural killer cells. 
B)  are B cells. 
C)  are macrophages. 
D)  develop in response to a specific antigen. 
A)  are called natural killer cells. 
B)  are B cells. 
C)  are macrophages. 
D)  develop in response to a specific antigen. C

Question 3

Interferons are:

Accepted Answer

A)  proteins secreted by a cell infected by a virus that prevent further viral replication. 
B)  complement proteins. 
C)  called IgE antibodies. 
D)  secreted by T cells. 
A)  proteins secreted by a cell infected by a virus that prevent further viral replication. 
B)  complement proteins. 
C)  called IgE antibodies. 
D)  secreted by T cells. A

Question 4

Which of the following is most descriptive of the Kupffer cell?

Accepted Answer

A)  It is a helper T cell. 
B)  It is a "fixed" macrophage located within the liver. 
C)  It is a memory cell. 
D)  It secretes antibodies. 
A)  It is a helper T cell. 
B)  It is a "fixed" macrophage located within the liver. 
C)  It is a memory cell. 
D)  It secretes antibodies.

Question 5

Which of the following is most related to pus?

Accepted Answer

A)  hyperbilirubinemia and jaundice 
B)  phagocytosis and infection 
C)  autoimmune disease 
D)  thrombocytopenia and bleeding 
A)  hyperbilirubinemia and jaundice 
B)  phagocytosis and infection 
C)  autoimmune disease 
D)  thrombocytopenia and bleeding

Question 6

Leukocytes "go" to the site of infection. Which of the following is descriptive of this activity?

Accepted Answer

A)  fever and flushing 
B)  histamine and urticaria 
C)  diapedesis and chemotaxis 
D)  mitosis and neoplasia 
A)  fever and flushing 
B)  histamine and urticaria 
C)  diapedesis and chemotaxis 
D)  mitosis and neoplasia

Question 7

Your own cells and secretions are recognized by your body as nonantigenic. What is this self-recognition called?

Accepted Answer

A)  immunity 
B)  immunocompetence 
C)  immunotolerance 
D)  autoimmunity 
A)  immunity 
B)  immunocompetence 
C)  immunotolerance 
D)  autoimmunity

Question 8

Fever-producing substances (pyrogens):

Accepted Answer

A)  are released by phagocytes as they perform their tasks. 
B)  cause the release of histamine. 
C)  are called interferons. 
D)  are immunoglobulins. 
A)  are released by phagocytes as they perform their tasks. 
B)  cause the release of histamine. 
C)  are called interferons. 
D)  are immunoglobulins.

Question 9

When a pathogen causes redness, heat, swelling, and pain, the process is called:

Accepted Answer

A)  chemotaxis. 
B)  diapedesis. 
C)  an anaphylactic reaction. 
D)  infection. 
A)  chemotaxis. 
B)  diapedesis. 
C)  an anaphylactic reaction. 
D)  infection.

Question 10

Antibody-mediated immunity:

Accepted Answer

A)  is achieved by B cells. 
B)  operates by cell-to-cell combat. 
C)  always results in anaphylaxis. 
D)  is achieved by natural killer cells. 
A)  is achieved by B cells. 
B)  operates by cell-to-cell combat. 
C)  always results in anaphylaxis. 
D)  is achieved by natural killer cells.

Which of the following includes mechanical barriers, chemical barriers, and reflexes?

The "big-eating" fixed phagocytes located in the liver, spleen, and lymph nodes:

Interferons are:

Which of the following is most descriptive of the Kupffer cell?

Which of the following is most related to pus?

Leukocytes "go" to the site of infection. Which of the following is descriptive of this activity?

Your own cells and secretions are recognized by your body as nonantigenic. What is this self-recognition called?

Fever-producing substances (pyrogens):

When a pathogen causes redness, heat, swelling, and pain, the process is called:

Antibody-mediated immunity:

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Ttissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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Exam 21: Immune System

Which of the following includes mechanical barriers, chemical barriers, and reflexes?

The "big-eating" fixed phagocytes located in the liver, spleen, and lymph nodes:

Interferons are:

Which of the following is most descriptive of the Kupffer cell?

Which of the following is most related to pus?

Leukocytes "go" to the site of infection. Which of the following is descriptive of this activity?

Your own cells and secretions are recognized by your body as nonantigenic. What is this self-recognition called?

Fever-producing substances (pyrogens):

When a pathogen causes redness, heat, swelling, and pain, the process is called:

Antibody-mediated immunity:

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Ttissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

Filters