Question 1

What is the antigen challenge, and where does it usually take place?

Accepted Answer

The antigen challenge is the first encou

Question 2

Figure 21.1Using Figure 21.1, match the following:
-Heavy chain.

Accepted Answer

The answer of   Figure 21.1Using Figure 21.1, match...

Question 3

Which of the following statements is incorrect or false?

Accepted Answer

A)  MHC proteins are the cell's identity markers. 
B)  Class 1 MHC molecules are built into the plasma membranes of all body cells. 
C)  Haptens lack immunogenicity unless attached to protein carriers. 
D)  Class II MHC molecules appear only on the surface of antigen- presenting cells, thymic cells, and T cells that have been activated by exposure to antigens. 
A)  MHC proteins are the cell's identity markers. 
B)  Class 1 MHC molecules are built into the plasma membranes of all body cells. 
C)  Haptens lack immunogenicity unless attached to protein carriers. 
D)  Class II MHC molecules appear only on the surface of antigen- presenting cells, thymic cells, and T cells that have been activated by exposure to antigens.

Question 4

Which of the following is a part of the second line of defense against microorganisms?

Accepted Answer

A)  gastric juice 
B)  phagocytes 
C)  keratin 
D)  cilia 
A)  gastric juice 
B)  phagocytes 
C)  keratin 
D)  cilia

Question 5

Helper T cells .

Accepted Answer

A)  release B7 proteins 
B)  function in the adaptive immune system activation 
C)  bind tightly to target cells and release a lymphotoxin called perforin 
D)  often function to decrease the immune response 
A)  release B7 proteins 
B)  function in the adaptive immune system activation 
C)  bind tightly to target cells and release a lymphotoxin called perforin 
D)  often function to decrease the immune response

Question 6

Figure 21.1Using Figure 21.1, match the following:
-Why do schools require inoculations for childhood diseases such as mumps, measles, and whooping cough? Why are the inoculations of value?

Accepted Answer

The inoculations are required to try to

Question 7

Innate immune system defenses include .

Accepted Answer

A)  B cells 
B)  T cells 
C)  phagocytosis 
D)  plasma cells 
A)  B cells 
B)  T cells 
C)  phagocytosis 
D)  plasma cells

Question 8

The primary immune response .

Accepted Answer

A)  is another name for immunological memory 
B)  occurs when memory cells are stimulated 
C)  has a lag period while B cells proliferate and differentiate into plasma cells 
D)  occurs more rapidly and is stronger than the secondary response 
A)  is another name for immunological memory 
B)  occurs when memory cells are stimulated 
C)  has a lag period while B cells proliferate and differentiate into plasma cells 
D)  occurs more rapidly and is stronger than the secondary response

Question 9

It is our genes, not antigens, that determine what specific foreign substances our immune system will be able to recognize and resist.

Accepted Answer

A) True 
 B)False

Question 10

What is the most likely type of hypersensitivity associated with an agonizingly itchy case of poison ivy, appearance of hives after eating shellfish, or a positive TB test?

Accepted Answer

The hypersensitivity associated with poi

Question 11

Which of the following is true of immediate hypersensitivities?

Accepted Answer

A)  They include allergic contact dermatitis. 
B)  They are adaptive immune responses to disease organisms. 
C)  They are also called type IV hypersensitivities. 
D)  They involve IgE antibodies and the release of histamine from mast cells and basophils. 
A)  They include allergic contact dermatitis. 
B)  They are adaptive immune responses to disease organisms. 
C)  They are also called type IV hypersensitivities. 
D)  They involve IgE antibodies and the release of histamine from mast cells and basophils.

Question 12

The most common type of immediate hypersensitivity is .

Accepted Answer

The answer of The most common type of immediate hypersensitivity...

Question 13

Select the correct statement about immunodeficiency.

Accepted Answer

A)  The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins. 
B)  Severe combined immunodeficiency (SCI
D)  disease is an acquired condition. 
C)  Hodgkin's disease is a hereditary immunodeficiency found in children. 
D)  The most common form of immunodeficiency is graft- versus- host (GVH) disease. 
A)  The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins. 
B)  Severe combined immunodeficiency (SCI
D)  disease is an acquired condition. 
C)  Hodgkin's disease is a hereditary immunodeficiency found in children. 
D)  The most common form of immunodeficiency is graft- versus- host (GVH) disease.

Question 14

Soluble proteins secreted by plasma cells are called antibodies.

Accepted Answer

A) True 
 B)False

Question 15

Natural killer (NK) cells .

Accepted Answer

A)  are also called cytotoxic T cells 
B)  are cells of the adaptive immune system 
C)  can kill cancer cells before the immune system is activated 
D)  are a type of phagocyte 
A)  are also called cytotoxic T cells 
B)  are cells of the adaptive immune system 
C)  can kill cancer cells before the immune system is activated 
D)  are a type of phagocyte

Question 16

A physician orders Tylenol for a temperature greater than 101 degrees F. The patient's temperature is 100.4 F. Explain the rationale for not medicating a fever of 100.4 F.

Accepted Answer

A mild or moderate fever is an adaptive

Question 17

Antibody functions include all of the following except .

Accepted Answer

A)  linking soluble antigens together so that they fall out of solution 
B)  cross- linking cell- bound antigens on red blood cells when blood types are properly matched 
C)  targeting foreign cells so that complement proteins can cause cellular lysis 
D)  binding and inactivating chemical toxins released by bacteria or other microorganisms 
A)  linking soluble antigens together so that they fall out of solution 
B)  cross- linking cell- bound antigens on red blood cells when blood types are properly matched 
C)  targeting foreign cells so that complement proteins can cause cellular lysis 
D)  binding and inactivating chemical toxins released by bacteria or other microorganisms

Question 18

Natural killer cells can lyse and kill cancer cells and virus- infected body cells the immune system is activated.

Accepted Answer

The answer of Natural killer cells can lyse and kill...

Question 19

B lymphocytes develop immunocompetence in the .

Accepted Answer

A)  spleen 
B)  bone marrow 
C)  lymph nodes 
D)  thymus 
A)  spleen 
B)  bone marrow 
C)  lymph nodes 
D)  thymus

Question 20

T- cell activation requires .

Accepted Answer

A)  antibody production and co- stimulation 
B)  antigen binding, antibody production, and co- stimulation 
C)  antigen binding and co- stimulation 
D)  antigen binding and antibody production 
A)  antibody production and co- stimulation 
B)  antigen binding, antibody production, and co- stimulation 
C)  antigen binding and co- stimulation 
D)  antigen binding and antibody production

Exam 21: The Immune System: Innate and Adaptive Body Defensives

What is the antigen challenge, and where does it usually take place?

Figure 21.1Using Figure 21.1, match the following: -Heavy chain.

Which of the following statements is incorrect or false?

Which of the following is a part of the second line of defense against microorganisms?

Helper T cells .

Figure 21.1Using Figure 21.1, match the following: -Why do schools require inoculations for childhood diseases such as mumps, measles, and whooping cough? Why are the inoculations of value?

Innate immune system defenses include .

The primary immune response .

It is our genes, not antigens, that determine what specific foreign substances our immune system will be able to recognize and resist.

What is the most likely type of hypersensitivity associated with an agonizingly itchy case of poison ivy, appearance of hives after eating shellfish, or a positive TB test?

Which of the following is true of immediate hypersensitivities?

The most common type of immediate hypersensitivity is .

Select the correct statement about immunodeficiency.

Soluble proteins secreted by plasma cells are called antibodies.

Natural killer (NK) cells .

A physician orders Tylenol for a temperature greater than 101 degrees F. The patient's temperature is 100.4 F. Explain the rationale for not medicating a fever of 100.4 F.

Antibody functions include all of the following except .

Natural killer cells can lyse and kill cancer cells and virus- infected body cells the immune system is activated.

B lymphocytes develop immunocompetence in the .

T- cell activation requires .

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Respiratory System

The Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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