Question 1

Which statement does not apply to macrophages?

Accepted Answer

A) They participate in inflammation. 
B) They process and present antigens to lymphocytes. 
C) They secrete antibodies. 
D) They secrete interleukin 1. 
E) They participate in immune surveillance against cancer. 
A) They participate in inflammation. 
B) They process and present antigens to lymphocytes. 
C) They secrete antibodies. 
D) They secrete interleukin 1. 
E) They participate in immune surveillance against cancer.

Question 2

Which of the following is not secreted by helper T cells?

Accepted Answer

A) B-cell growth factor 
B) T-cell growth factor 
C) interleukin 1 
D) interleukin 2 
E) macrophage migration inhibition factor 
A) B-cell growth factor 
B) T-cell growth factor 
C) interleukin 1 
D) interleukin 2 
E) macrophage migration inhibition factor

Question 3

Indicate the immune response associated with the specific ailment below.
a.serum sickness
b.immediate hypersensitivity
c.acquired immune deficiency syndrome
d.delayed hypersensitivity
e.immune-complex disease
f.autoimmune disease
g.severe combined immunodeficiency
-Allergic reaction to injection of "borrowed" antibodies that confer passive immunity

Accepted Answer

The answer of Indicate the immune response associated with the...

Question 4

Indicate whether the characteristic applies to active immunity or passive immunity by writing the appropriate letter in the blank using the following answer code.
a.active immunity
b.passive immunity
-Natural immunity is actually a special case of this type of immunity

Accepted Answer

The answer of Indicate whether the characteristic applies to active...

Question 5

Active immunity

Accepted Answer

A) is self-generated upon exposure to antigen 
B) can be produced only as a result of a person actually having the disease 
C) involves administration of preformed antibodies 
D) is shorter in duration than passive immunity 
E) is acquired in the newborn as a result of the transfer of antibodies across the placenta during intrauterine development 
A) is self-generated upon exposure to antigen 
B) can be produced only as a result of a person actually having the disease 
C) involves administration of preformed antibodies 
D) is shorter in duration than passive immunity 
E) is acquired in the newborn as a result of the transfer of antibodies across the placenta during intrauterine development

Question 6

T cells

Accepted Answer

A) bind with free extracellular antigen 
B) bind with MHC molecules only when they are in association with a foreign antigen 
C) are responsible for cell-mediated immunity 
D) have characteristics a and c 
E) have characteristics b and c 
A) bind with free extracellular antigen 
B) bind with MHC molecules only when they are in association with a foreign antigen 
C) are responsible for cell-mediated immunity 
D) have characteristics a and c 
E) have characteristics b and c

Question 7

The large intestine's normal microbial population helps defend against infection within the lower intestine.

Accepted Answer

A) True 
 B)False

Question 8

The complement system

Accepted Answer

A) consists of plasma proteins produced by the liver that circulate in the blood in inactive form 
B) is the primary mechanism activated by antibodies to kill foreign cells 
C) can be activated by antibodies and/or antigens 
D) is considered a nonspecific defense 
E) has all of the above characteristics 
A) consists of plasma proteins produced by the liver that circulate in the blood in inactive form 
B) is the primary mechanism activated by antibodies to kill foreign cells 
C) can be activated by antibodies and/or antigens 
D) is considered a nonspecific defense 
E) has all of the above characteristics

Question 9

Which of the following is not accomplished by interferon?

Accepted Answer

A) It directly breaks down viral messenger RNA and inhibits protein synthesis. 
B) It enhances macrophage phagocytic activity. 
C) It stimulates antibody production. 
D) It stimulates the activity of natural killer cells. 
E) It slows cell division and suppresses tumor growth. 
A) It directly breaks down viral messenger RNA and inhibits protein synthesis. 
B) It enhances macrophage phagocytic activity. 
C) It stimulates antibody production. 
D) It stimulates the activity of natural killer cells. 
E) It slows cell division and suppresses tumor growth.

Question 10

Chemotaxis refers to the ability of leukocytes to squeeze through small capillary pores.

Accepted Answer

A) True 
 B)False

Question 11

Match defense cell with the correct characteristic.
a.keratinocytes
b.melanocytes
c.Langerhans cells
d.Granstein cells
-Secrete interleukin 1

Accepted Answer

The answer of Match defense cell with the correct characteristic.
a.keratinocytes
b.melanocytes
c.Langerhans...

Question 12

The group of genes that codes for self-antigens is known as the ____________________.

Accepted Answer

major hist

Question 13

The clonal selection theory explains why the capacity for diverse lymphocyte production is limited.

Accepted Answer

A) True 
 B)False

Question 14

B lymphocytes are involved with immediate hypersensitivity reactions, whereas T lymphocytes are involved with delayed hypersensitivity reactions.

Accepted Answer

A) True 
 B)False

Question 15

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code:
a.cytotoxic T cells
b.helper T cells
c.suppressor T cells
-Attacked by AIDS virus

Accepted Answer

The answer of Indicate which type of T cell is...

Question 16

__________-__________ disease occurs when destructive inflammatory processes "spill over" into normal tissue in the presence of excessive numbers of antigen-antibody complexes.

Accepted Answer

The answer of __________-__________ disease occurs when destructive inflammatory processes...

Question 17

Neutrophils swell and mature into macrophages after they enter the tissues.

Accepted Answer

A) True 
 B)False

Question 18

Monocytes

Accepted Answer

A) are the first phagocytes to exit the blood and arrive at an injured or invaded area 
B) swell and mature into macrophages after exiting the blood 
C) act as opsonins 
D) have all of the above characteristics 
E) have characteristics a and b 
A) are the first phagocytes to exit the blood and arrive at an injured or invaded area 
B) swell and mature into macrophages after exiting the blood 
C) act as opsonins 
D) have all of the above characteristics 
E) have characteristics a and b

Question 19

____________________ refers to the life-threatening allergic phenomenon characterized by severe hypotension and profound bronchial constriction due to the presence of large amounts of chemical mediators in the blood released from mast cells and basophils in response to a particular allergen.

Accepted Answer

The answer of ____________________ refers to the life-threatening allergic phenomenon...

Question 20

Diapedesis is the means by which a leukocyte reproduces.

Accepted Answer

A) True 
 B)False

Which statement does not apply to macrophages?

Which of the following is not secreted by helper T cells?

Indicate whether the characteristic applies to active immunity or passive immunity by writing the appropriate letter in the blank using the following answer code. a.active immunity b.passive immunity -Natural immunity is actually a special case of this type of immunity

Active immunity

T cells

The large intestine's normal microbial population helps defend against infection within the lower intestine.

The complement system

Which of the following is not accomplished by interferon?

Chemotaxis refers to the ability of leukocytes to squeeze through small capillary pores.

Match defense cell with the correct characteristic. a.keratinocytes b.melanocytes c.Langerhans cells d.Granstein cells -Secrete interleukin 1

The group of genes that codes for self-antigens is known as the ____________________.

The clonal selection theory explains why the capacity for diverse lymphocyte production is limited.

B lymphocytes are involved with immediate hypersensitivity reactions, whereas T lymphocytes are involved with delayed hypersensitivity reactions.

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code: a.cytotoxic T cells b.helper T cells c.suppressor T cells -Attacked by AIDS virus

- disease occurs when destructive inflammatory processes "spill over" into normal tissue in the presence of excessive numbers of antigen-antibody complexes.

Neutrophils swell and mature into macrophages after they enter the tissues.

Monocytes

____________________ refers to the life-threatening allergic phenomenon characterized by severe hypotension and profound bronchial constriction due to the presence of large amounts of chemical mediators in the blood released from mast cells and basophils in response to a particular allergen.

Diapedesis is the means by which a leukocyte reproduces.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

Exam 12: Body Defenses

Which statement does not apply to macrophages?

Which of the following is not secreted by helper T cells?

Indicate whether the characteristic applies to active immunity or passive immunity by writing the appropriate letter in the blank using the following answer code. a.active immunity b.passive immunity -Natural immunity is actually a special case of this type of immunity

Active immunity

T cells

The large intestine's normal microbial population helps defend against infection within the lower intestine.

The complement system

Which of the following is not accomplished by interferon?

Chemotaxis refers to the ability of leukocytes to squeeze through small capillary pores.

Match defense cell with the correct characteristic. a.keratinocytes b.melanocytes c.Langerhans cells d.Granstein cells -Secrete interleukin 1

The group of genes that codes for self-antigens is known as the ____________________.

The clonal selection theory explains why the capacity for diverse lymphocyte production is limited.

B lymphocytes are involved with immediate hypersensitivity reactions, whereas T lymphocytes are involved with delayed hypersensitivity reactions.

Indicate which type of T cell is being described by writing the appropriate letter in the blank using the following answer code: a.cytotoxic T cells b.helper T cells c.suppressor T cells -Attacked by AIDS virus

__________-__________ disease occurs when destructive inflammatory processes "spill over" into normal tissue in the presence of excessive numbers of antigen-antibody complexes.

Neutrophils swell and mature into macrophages after they enter the tissues.

Monocytes

____________________ refers to the life-threatening allergic phenomenon characterized by severe hypotension and profound bronchial constriction due to the presence of large amounts of chemical mediators in the blood released from mast cells and basophils in response to a particular allergen.

Diapedesis is the means by which a leukocyte reproduces.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

- disease occurs when destructive inflammatory processes "spill over" into normal tissue in the presence of excessive numbers of antigen-antibody complexes.