Question 1

Which of the following statements about MHC proteins is not true?

Accepted Answer

A) bind complement 
B) allow the body to differentiate its own cells from foreign cells 
C) function in antigen presentation 
D) fall into two major classes 
E) are found on all nucleated cells 
A) bind complement 
B) allow the body to differentiate its own cells from foreign cells 
C) function in antigen presentation 
D) fall into two major classes 
E) are found on all nucleated cells

Question 2

The first line of cellular defense against pathogens are the

Accepted Answer

A) T cells. 
B) B cells. 
C) NK cells. 
D) phagocytes. 
E) plasma cells. 
A) T cells. 
B) B cells. 
C) NK cells. 
D) phagocytes. 
E) plasma cells.

Question 3

Free phagocytes found in the air sacs of the lungs are called ________.

Accepted Answer

alveolar m

Question 4

Which of these statements about lymph flow in a node is false?

Accepted Answer

A) Lymph enters in an afferent lymphatic. 
B) Lymph first enters the subcapsular space. 
C) Lymph flows past dendritic cells. 
D) The efferent lymphatic exits at the hilum. 
E) The afferent lymphatics enters at the hilum. 
A) Lymph enters in an afferent lymphatic. 
B) Lymph first enters the subcapsular space. 
C) Lymph flows past dendritic cells. 
D) The efferent lymphatic exits at the hilum. 
E) The afferent lymphatics enters at the hilum.

Question 5

________ are large lymphatic nodules that are located in the walls of the pharynx.

Accepted Answer

A) Tonsils 
B) Peyer patches 
C) Lymph nodes 
D) Immune complexes 
E) Spleens 
A) Tonsils 
B) Peyer patches 
C) Lymph nodes 
D) Immune complexes 
E) Spleens

Question 6

List and briefly describe the four general properties of immunity.

Accepted Answer

(1)Specificity: The immune response is t

Question 7

When the immune response mistakenly targets normal body cells and tissues,________ develop.

Accepted Answer

autoimmune

Question 8

Hormones that make a cell and its neighbors resistant to virus infection are called ________.

Accepted Answer

The answer of Hormones that make a cell and its...

Question 9

Antigen-presenting cells located in the epithelia of the skin are called ________.

Accepted Answer

The answer of Antigen-presenting cells located in the epithelia of...

Question 10

CD8 markers are to ________ T cells as CD4 markers are to ________ T cells.

Accepted Answer

The answer of CD8 markers are to ________ T cells...

Question 11

Lymphatic capillaries are known for

Accepted Answer

A) being the starting point of the lymphatic circulation. 
B) being the smallest lymphatic vessels. 
C) having larger diameters and looser walls than blood capillaries. 
D) shingle-like endothelial cells. 
E) All of the answers are correct. 
A) being the starting point of the lymphatic circulation. 
B) being the smallest lymphatic vessels. 
C) having larger diameters and looser walls than blood capillaries. 
D) shingle-like endothelial cells. 
E) All of the answers are correct.

Question 12

Interleukins do all of the following,except

Accepted Answer

A) increase T-cell sensitivity to antigens exposed on macrophage membranes. 
B) stimulate B-cell activity,plasma cell formation,and antibody production. 
C) stimulate inflammation. 
D) elevate body temperature. 
E) stimulate collagen synthesis. 
A) increase T-cell sensitivity to antigens exposed on macrophage membranes. 
B) stimulate B-cell activity,plasma cell formation,and antibody production. 
C) stimulate inflammation. 
D) elevate body temperature. 
E) stimulate collagen synthesis.

Question 13

When large numbers of antibodies encounter their antigenic targets,they interact to form a three-dimensional structure known as a(n)________.

Accepted Answer

The answer of When large numbers of antibodies encounter their...

Question 14

The process by which antibodies bind to the antigen on the surface of cells,forming large immune complexes,is called ________.

Accepted Answer

The answer of The process by which antibodies bind to...

Question 15

The ________ lymphatics leave the lymph node at the hilum.

Accepted Answer

The answer of The ________ lymphatics leave the lymph node...

Question 16

Suppressor T cells act to

Accepted Answer

A) suppress antigens. 
B) erase memory T cells. 
C) limit antigen proliferation. 
D) inhibit T and B cell activities. 
E) produce antibodies involved in autoimmunity. 
A) suppress antigens. 
B) erase memory T cells. 
C) limit antigen proliferation. 
D) inhibit T and B cell activities. 
E) produce antibodies involved in autoimmunity.

Question 17

The process by which soluble antigens combine with antibodies to form insoluble immune complexes is called ________.

Accepted Answer

The answer of The process by which soluble antigens combine...

Question 18

Areas of the spleen that contain large aggregations of lymphocytes are known as

Accepted Answer

A) Peyer patches. 
B) adenoids. 
C) white pulp. 
D) red pulp. 
E) lymph nodes. 
A) Peyer patches. 
B) adenoids. 
C) white pulp. 
D) red pulp. 
E) lymph nodes.

Question 19

Inflammation produces localized

Accepted Answer

A) swelling. 
B) redness. 
C) heat. 
D) pain. 
E) All of the answers are correct. 
A) swelling. 
B) redness. 
C) heat. 
D) pain. 
E) All of the answers are correct.

Question 20

Lymph nodes range in diameter from

Accepted Answer

A) 1 nm to 10 nm. 
B) 1 inch to 2 inches. 
C) 1 mm to 25 mm. 
D) 1 cm to 25 cm. 
E) 1 cm to 1 inch. 
A) 1 nm to 10 nm. 
B) 1 inch to 2 inches. 
C) 1 mm to 25 mm. 
D) 1 cm to 25 cm. 
E) 1 cm to 1 inch.

Exam 22: The Lymphatic System and Immunity

Which of the following statements about MHC proteins is not true?

The first line of cellular defense against pathogens are the

Free phagocytes found in the air sacs of the lungs are called ________.

Which of these statements about lymph flow in a node is false?

________ are large lymphatic nodules that are located in the walls of the pharynx.

List and briefly describe the four general properties of immunity.

When the immune response mistakenly targets normal body cells and tissues,________ develop.

Hormones that make a cell and its neighbors resistant to virus infection are called ________.

Antigen-presenting cells located in the epithelia of the skin are called ________.

CD8 markers are to ________ T cells as CD4 markers are to ________ T cells.

Lymphatic capillaries are known for

Interleukins do all of the following,except

When large numbers of antibodies encounter their antigenic targets,they interact to form a three-dimensional structure known as a(n)________.

The process by which antibodies bind to the antigen on the surface of cells,forming large immune complexes,is called ________.

The ________ lymphatics leave the lymph node at the hilum.

Suppressor T cells act to

The process by which soluble antigens combine with antibodies to form insoluble immune complexes is called ________.

Areas of the spleen that contain large aggregations of lymphocytes are known as

Inflammation produces localized

Lymph nodes range in diameter from

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

CD8 markers are to T cells as CD4 markers are to T cells.