Question 1

Which organ generates a population of T cells capable of protecting the body from pathogens?

Accepted Answer

A) thymus 
B) lymph nodes 
C) spleen 
D) tonsils 
A) thymus 
B) lymph nodes 
C) spleen 
D) tonsils A

Question 2

Which of the following is NOT a surface barrier serving as the first line of defense?

Accepted Answer

A) mucus 
B) keratin 
C) oil 
D) antibody 
A) mucus 
B) keratin 
C) oil 
D) antibody D

Question 3

B cell proliferation occurs when an antigen binds to a B-cell receptor on the surface of a specific B-cell clone.

Accepted Answer

A) True 
 B)False  False

Question 4

Where are pathogens filtered from lymph?

Accepted Answer

A) lacteals 
B) spleen 
C) tonsils 
D) lymph nodes 
A) lacteals 
B) spleen 
C) tonsils 
D) lymph nodes

Question 5

Which of the following is a non-phagocytic cell?

Accepted Answer

A) eosinophil 
B) macrophage 
C) neutrophil 
D) basophil 
A) eosinophil 
B) macrophage 
C) neutrophil 
D) basophil

Question 6

A high level of pyrogens will reset the body temperature to a higher range by acting on the:

Accepted Answer

A) hypothalamus. 
B) medulla oblongata. 
C) pons. 
D) thalamus. 
A) hypothalamus. 
B) medulla oblongata. 
C) pons. 
D) thalamus.

Question 7

Pus indicates only that an inflammatory response took place.

Accepted Answer

A) True 
 B)False

Question 8

What are the primary cells of adaptive (specific)immunity?

Accepted Answer

A) cytokines 
B) dendritic cells 
C) natural killer (NK)cells 
D) lymphocytes 
A) cytokines 
B) dendritic cells 
C) natural killer (NK)cells 
D) lymphocytes

Question 9

Bill first had the influenza vaccine in October.He experienced a headache,achiness,fatigue,and a fever.When he came into contact with the influenza virus a few months later,he hardly had any symptoms at all.Explain these two different immune responses seen with each exposure to the virus.

Accepted Answer

The primary immune response began with B

Question 10

Determine the first phase of the antibody-mediated immune response.

Accepted Answer

A) Antibody levels in the blood rise dramatically. 
B) B cell clones recognize its specific antigen. 
C) Memory cells react rapidly upon a second encounter with the antigen. 
D) B cells should now be present in the body's fluids. 
A) Antibody levels in the blood rise dramatically. 
B) B cell clones recognize its specific antigen. 
C) Memory cells react rapidly upon a second encounter with the antigen. 
D) B cells should now be present in the body's fluids.

Question 11

Which lymph trunks receive lymph from the upper limbs?

Accepted Answer

A) bronchomediastinal trunks 
B) jugular trunks 
C) intestinal trunks 
D) subclavian trunks 
A) bronchomediastinal trunks 
B) jugular trunks 
C) intestinal trunks 
D) subclavian trunks

Question 12

During the second stage of the inflammatory response,what do neutrophils accomplish when they migrate to areas of damaged tissue?

Accepted Answer

A) Neutrophils interfere with the ability of viruses or bacteria to infect other cells. 
B) Neutrophils are potent vasodilators. 
C) Neutrophils destroy bacteria and other cellular debris. 
D) Neutrophils increase capillary permeability. 
A) Neutrophils interfere with the ability of viruses or bacteria to infect other cells. 
B) Neutrophils are potent vasodilators. 
C) Neutrophils destroy bacteria and other cellular debris. 
D) Neutrophils increase capillary permeability.

Question 13

Which of the following are TRUE of class I major histocompatibility complex (MHC)molecules?

Accepted Answer

A) Class I MHC molecules present exogenous antigens. 
B) Class I MHC molecules are only present on erythrocyte surfaces. 
C) Class I MHC molecules bind complement. 
D) Class I MHC molecules present endogenous antigens. 
A) Class I MHC molecules present exogenous antigens. 
B) Class I MHC molecules are only present on erythrocyte surfaces. 
C) Class I MHC molecules bind complement. 
D) Class I MHC molecules present endogenous antigens.

Question 14

What of the following should NOT elicit an immune response in your own body?

Accepted Answer

A) self antigens 
B) immunogens 
C) haptens bound with a protein carrier 
D) major histocompatibility complex (MH
C) molecules bound to antigens 
A) self antigens 
B) immunogens 
C) haptens bound with a protein carrier 
D) major histocompatibility complex (MH
C) molecules bound to antigens

Question 15

The right lymphatic duct receives lymph from the:

Accepted Answer

A) right leg. 
B) right arm. 
C) left leg. 
D) left arm. 
A) right leg. 
B) right arm. 
C) left leg. 
D) left arm.

Question 16

Explain how lymph is formed.

Accepted Answer

Net filtration pressure in blood capilla

Question 17

Discuss the significance of the extreme permeability of lymphatic capillaries.

Accepted Answer

The extreme permeability of lymphatic ca

Question 18

Which lymphoid organ is required for the selection of a functional population of T lymphocytes (T cells)for the immune system?

Accepted Answer

A) tonsil 
B) thymus 
C) liver 
D) thyroid gland 
A) tonsil 
B) thymus 
C) liver 
D) thyroid gland

Question 19

Summarize the surface barriers that provide a first line of defense against pathogens.

Accepted Answer

Cutaneous membranes and mucous membranes

Question 20

Which of the following is NOT a cytokine involved in innate immunity?

Accepted Answer

A) interferons 
B) interleukins 
C) opsonins 
D) tumor necrosis factor (TNF) 
A) interferons 
B) interleukins 
C) opsonins 
D) tumor necrosis factor (TNF)

Exam 20: The Lymphatic System and Immunity

Which organ generates a population of T cells capable of protecting the body from pathogens?

Which of the following is NOT a surface barrier serving as the first line of defense?

B cell proliferation occurs when an antigen binds to a B-cell receptor on the surface of a specific B-cell clone.

Where are pathogens filtered from lymph?

Which of the following is a non-phagocytic cell?

A high level of pyrogens will reset the body temperature to a higher range by acting on the:

Pus indicates only that an inflammatory response took place.

What are the primary cells of adaptive (specific)immunity?

Bill first had the influenza vaccine in October.He experienced a headache,achiness,fatigue,and a fever.When he came into contact with the influenza virus a few months later,he hardly had any symptoms at all.Explain these two different immune responses seen with each exposure to the virus.

Determine the first phase of the antibody-mediated immune response.

Which lymph trunks receive lymph from the upper limbs?

During the second stage of the inflammatory response,what do neutrophils accomplish when they migrate to areas of damaged tissue?

Which of the following are TRUE of class I major histocompatibility complex (MHC)molecules?

What of the following should NOT elicit an immune response in your own body?

The right lymphatic duct receives lymph from the:

Explain how lymph is formed.

Discuss the significance of the extreme permeability of lymphatic capillaries.

Which lymphoid organ is required for the selection of a functional population of T lymphocytes (T cells)for the immune system?

Summarize the surface barriers that provide a first line of defense against pathogens.

Which of the following is NOT a cytokine involved in innate immunity?

Introduction to Anatomy Physiology

The Chemistry of Life

The Cell

Histology

The Integumentary System

Bones and Bone Tissue

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Articulations

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Muscle Tissue Physiology

Introduction to the Nervous System Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System Homeostasis

The Special Senses

The Endocrine System

The Cardiovascular System I: the Heart

The Cardiovascular System Ii: the Blood Vessels

Blood

The Respiratory System

The Digestive System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acid-Base Homeostasis

The Reproductive System

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