Question 1

An allergen is a(n)

Accepted Answer

A) antibody. 
B) macrophage. 
C) lymphokine. 
D) antigen. 
A) antibody. 
B) macrophage. 
C) lymphokine. 
D) antigen.

Question 2

Which of the following T cells do not participate in the destruction of the pathogen but allow for a more rapid response if the antigen is presented at a later time?

Accepted Answer

A) Killer T cells 
B) Suppressor T cells 
C) Thrombocytes 
D) Memory T cells 
A) Killer T cells 
B) Suppressor T cells 
C) Thrombocytes 
D) Memory T cells

Question 3

This is a group of proteins secreted by virally infected cells; the proteins prevent viral replication.

Accepted Answer

A) Pyrogens 
B) Antigens 
C) Complement protein 
D) Interferons 
A) Pyrogens 
B) Antigens 
C) Complement protein 
D) Interferons

Question 4

Plasma cells

Accepted Answer

A) refer to T cells. 
B) are the same as NK cells. 
C) are B-cell clones. 
D) secrete interferons. 
A) refer to T cells. 
B) are the same as NK cells. 
C) are B-cell clones. 
D) secrete interferons.

Question 5

Which of the following is (are) most related to antibody-mediated immunity?

Accepted Answer

A) Tears 
B) Saliva 
C) Sneezing 
D) Plasma cells 
A) Tears 
B) Saliva 
C) Sneezing 
D) Plasma cells

Question 6

Which of the following protective proteins swarm(s) the surface of a pathogen,punching holes in the membrane and enhancing phagocytosis?

Accepted Answer

A) Interferons 
B) Albumin 
C) Complement 
D) IgG 
A) Interferons 
B) Albumin 
C) Complement 
D) IgG

Question 7

HIV (human immunodeficiency virus) produces severe impairment of the immune system by attacking which cells?

Accepted Answer

A) Plasma cells 
B) Suppressor T cells 
C) Helper T cells 
D) Platelets 
A) Plasma cells 
B) Suppressor T cells 
C) Helper T cells 
D) Platelets

Question 8

Which of the following is true about nonspecific immunity?

Accepted Answer

A) It protects the body primarily through the actions of the B and T lymphocytes. 
B) The response is to a specific antigen such as the chickenpox virus. 
C) It is achieved through either cell-mediated immunity or antibody-mediated immunity. 
D) It includes processes such as inflammation,phagocytosis,and fever. 
A) It protects the body primarily through the actions of the B and T lymphocytes. 
B) The response is to a specific antigen such as the chickenpox virus. 
C) It is achieved through either cell-mediated immunity or antibody-mediated immunity. 
D) It includes processes such as inflammation,phagocytosis,and fever.

Question 9

Which of the following represents specific immunity?

Accepted Answer

A) Inflammation 
B) Interferons 
C) Natural killer cells 
D) B and T cells 
A) Inflammation 
B) Interferons 
C) Natural killer cells 
D) B and T cells

Question 10

A person has an infection and his phagocytes respond appropriately by releasing pyrogens,thereby resetting the body's thermostat.What happens next?

Accepted Answer

A) He shivers,thereby producing heat. 
B) He sweats and his blood vessels dilate,thereby losing heat. 
C) He forms pus around the hypothalamus. 
D) His body temperature declines. 
A) He shivers,thereby producing heat. 
B) He sweats and his blood vessels dilate,thereby losing heat. 
C) He forms pus around the hypothalamus. 
D) His body temperature declines.

Question 11

Which of the following are most associated with plasma cells and antibodies?

Accepted Answer

A) Neutrophils 
B) Eosinophils 
C) B cells 
D) T cells 
A) Neutrophils 
B) Eosinophils 
C) B cells 
D) T cells

Question 12

Which of the following are classified as killer,helper,suppressor,and memory?

Accepted Answer

A) Granulocytes 
B) T cells 
C) Antibodies 
D) Vaccines 
A) Granulocytes 
B) T cells 
C) Antibodies 
D) Vaccines

Question 13

Which of the following T cells destroy pathogens by punching holes in their cell membrane and secreting lymphokines?

Accepted Answer

A) Killer 
B) Helper 
C) Suppressor 
D) Memory 
A) Killer 
B) Helper 
C) Suppressor 
D) Memory

Question 14

IgE,IgA,IgM,and IgG are

Accepted Answer

A) antigens. 
B) interferons. 
C) antibodies. 
D) complement proteins. 
A) antigens. 
B) interferons. 
C) antibodies. 
D) complement proteins.

Question 15

A breast-fed infant is initially immune to the same diseases as her mom.Which of the following describes the infant's immunity?

Accepted Answer

A) Naturally acquired passive immunity 
B) Naturally acquired active immunity 
C) Artificially acquired active immunity 
D) Artificially acquired passive immunity 
A) Naturally acquired passive immunity 
B) Naturally acquired active immunity 
C) Artificially acquired active immunity 
D) Artificially acquired passive immunity

Question 16

Complement and interferons

Accepted Answer

A) activate T cells. 
B) are antibodies secreted by plasma cells. 
C) are protective proteins that enhance the immune response to infection. 
D) include histamine and leukotrienes that cause anaphylaxis. 
A) activate T cells. 
B) are antibodies secreted by plasma cells. 
C) are protective proteins that enhance the immune response to infection. 
D) include histamine and leukotrienes that cause anaphylaxis.

Question 17

Which of the following best explains the secondary response to a booster shot?

Accepted Answer

A) The presence of memory cells that can quickly produce plasma cells 
B) Enhancement of antigen presentation by macrophages 
C) The immediate release of histamine from mast cells 
D) The immediate release of IgG antibodies in response to the booster 
A) The presence of memory cells that can quickly produce plasma cells 
B) Enhancement of antigen presentation by macrophages 
C) The immediate release of histamine from mast cells 
D) The immediate release of IgG antibodies in response to the booster

Question 18

Binding of the bee venom allergen to antibodies on the mast cells causes a massive release of which substance?

Accepted Answer

A) Vaccine 
B) Histamine 
C) Bilirubin 
D) Intrinsic factor 
A) Vaccine 
B) Histamine 
C) Bilirubin 
D) Intrinsic factor

Question 19

Which of the following is not a step in the activation of a B lymphocyte?

Accepted Answer

A) Antigen presentation 
B) Production of antibody-secreting plasma cells 
C) Activation by helper T cells 
D) Activation of cells that engage in cell-to-cell combat 
A) Antigen presentation 
B) Production of antibody-secreting plasma cells 
C) Activation by helper T cells 
D) Activation of cells that engage in cell-to-cell combat

Question 20

Phagocytosis

Accepted Answer

A) is a function only of the T cell. 
B) is a form of specific immunity. 
C) does not require a specific antigen. 
D) is mediated through antibodies. 
A) is a function only of the T cell. 
B) is a form of specific immunity. 
C) does not require a specific antigen. 
D) is mediated through antibodies.

Exam 21: Immune System

An allergen is a(n)

Which of the following T cells do not participate in the destruction of the pathogen but allow for a more rapid response if the antigen is presented at a later time?

This is a group of proteins secreted by virally infected cells; the proteins prevent viral replication.

Plasma cells

Which of the following is (are) most related to antibody-mediated immunity?

Which of the following protective proteins swarm(s) the surface of a pathogen,punching holes in the membrane and enhancing phagocytosis?

HIV (human immunodeficiency virus) produces severe impairment of the immune system by attacking which cells?

Which of the following is true about nonspecific immunity?

Which of the following represents specific immunity?

A person has an infection and his phagocytes respond appropriately by releasing pyrogens,thereby resetting the body's thermostat.What happens next?

Which of the following are most associated with plasma cells and antibodies?

Which of the following are classified as killer,helper,suppressor,and memory?

Which of the following T cells destroy pathogens by punching holes in their cell membrane and secreting lymphokines?

IgE,IgA,IgM,and IgG are

A breast-fed infant is initially immune to the same diseases as her mom.Which of the following describes the infant's immunity?

Complement and interferons

Which of the following best explains the secondary response to a booster shot?

Binding of the bee venom allergen to antibodies on the mast cells causes a massive release of which substance?

Which of the following is not a step in the activation of a B lymphocyte?

Phagocytosis

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

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