Question 1

Memory cells

Accepted Answer

A) are found exclusively within the nonspecific immune cells/processes. 
B) are produced only by B cells. 
C) increase the response time to an antigen. 
D) store IgG,IgE,and IgA. 
A) are found exclusively within the nonspecific immune cells/processes. 
B) are produced only by B cells. 
C) increase the response time to an antigen. 
D) store IgG,IgE,and IgA.

Question 2

A vaccine

Accepted Answer

A) is a gamma globulin. 
B) conveys active immunity. 
C) contains antibodies. 
D) is the same as an antitoxin. 
A) is a gamma globulin. 
B) conveys active immunity. 
C) contains antibodies. 
D) is the same as an antitoxin.

Question 3

Which of the following is not a step in T-cell activation?

Accepted Answer

A) Antigen presentation 
B) Production of helper T cells 
C) Secretion of lymphokines that activate B cells 
D) Production of antibody-secreting plasma cells 
A) Antigen presentation 
B) Production of helper T cells 
C) Secretion of lymphokines that activate B cells 
D) Production of antibody-secreting plasma cells

Question 4

What is the name of the toxin that has been altered so that it is harmless yet still antigenic?

Accepted Answer

A) Vaccine 
B) Antibody 
C) Gamma globulin 
D) Toxoid 
A) Vaccine 
B) Antibody 
C) Gamma globulin 
D) Toxoid

Question 5

Which of the following describes the function of macrophages?

Accepted Answer

A) Phagocytosis and antigen presentation 
B) Leukopoiesis and antibody secretion 
C) Secretion of histamine and leukotrienes 
D) Phagocytosis and anti-inflammatory activity 
A) Phagocytosis and antigen presentation 
B) Leukopoiesis and antibody secretion 
C) Secretion of histamine and leukotrienes 
D) Phagocytosis and anti-inflammatory activity

Question 6

Which of the following is true of activation of mast cells?

Accepted Answer

A) Causes the release of epinephrine 
B) Is necessary for T-cell activation 
C) Prevents the development of anaphylaxis 
D) Causes the release of histamine 
A) Causes the release of epinephrine 
B) Is necessary for T-cell activation 
C) Prevents the development of anaphylaxis 
D) Causes the release of histamine

Question 7

If you have a high measles antibody titer,you

Accepted Answer

A) currently have symptoms of measles. 
B) are contagious and should avoid contact with others for 5 days. 
C) have been exposed to the measles virus. 
D) must have had measles as a child. 
A) currently have symptoms of measles. 
B) are contagious and should avoid contact with others for 5 days. 
C) have been exposed to the measles virus. 
D) must have had measles as a child.

Question 8

A severe anaphylactic reaction causes death by

Accepted Answer

A) renal failure. 
B) respiratory obstruction. 
C) bleeding. 
D) infection. 
A) renal failure. 
B) respiratory obstruction. 
C) bleeding. 
D) infection.

Question 9

Human immunodeficiency virus (HIV) attacks the helper T cells,thereby

Accepted Answer

A) depressing T-cell function. 
B) making the person more susceptible to infection. 
C) depressing B-cell function. 
D) All of the above are true. 
A) depressing T-cell function. 
B) making the person more susceptible to infection. 
C) depressing B-cell function. 
D) All of the above are true.

Question 10

What is the effect of a massive release of histamine?

Accepted Answer

A) Jaundice 
B) Anemia 
C) Thrombosis 
D) Wheezing and hypotension 
A) Jaundice 
B) Anemia 
C) Thrombosis 
D) Wheezing and hypotension

Question 11

What is the term that refers to the level of antibodies in your blood?

Accepted Answer

A) T cell count 
B) Titer 
C) White blood cell count 
D) Hematocrit 
A) T cell count 
B) Titer 
C) White blood cell count 
D) Hematocrit

Memory cells

A vaccine

Which of the following is not a step in T-cell activation?

What is the name of the toxin that has been altered so that it is harmless yet still antigenic?

Which of the following describes the function of macrophages?

Which of the following is true of activation of mast cells?

If you have a high measles antibody titer,you

A severe anaphylactic reaction causes death by

Human immunodeficiency virus (HIV) attacks the helper T cells,thereby

What is the effect of a massive release of histamine?

What is the term that refers to the level of antibodies in your blood?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues 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 and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

Filters

Exam 21: Immune System

Memory cells

A vaccine

Which of the following is not a step in T-cell activation?

What is the name of the toxin that has been altered so that it is harmless yet still antigenic?

Which of the following describes the function of macrophages?

Which of the following is true of activation of mast cells?

If you have a high measles antibody titer,you

A severe anaphylactic reaction causes death by

Human immunodeficiency virus (HIV) attacks the helper T cells,thereby

What is the effect of a massive release of histamine?

What is the term that refers to the level of antibodies in your blood?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues 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 and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

Filters