Question 1

The lymphatic system is involved in

Accepted Answer

A)  lipid absorption from the digestive tract. 
B)  transporting lymph from the intestines to the liver. 
C)  maintenance of pH in the tissues. 
D)  production of erythrocytes. 
E)  protein metabolism. 
A)  lipid absorption from the digestive tract. 
B)  transporting lymph from the intestines to the liver. 
C)  maintenance of pH in the tissues. 
D)  production of erythrocytes. 
E)  protein metabolism.

Question 2

The HIV virus infects ________.

Accepted Answer

A)  B cells 
B)  cytotoxic T cells 
C)  suppressor T cells 
D)  helper T cells 
E)  monocytes 
A)  B cells 
B)  cytotoxic T cells 
C)  suppressor T cells 
D)  helper T cells 
E)  monocytes

Question 3

Which of the following is not part of the lymphatic system?

Accepted Answer

A)  Tonsils 
B)  Thyroid gland 
C)  Arteries 
D)  Kidneys 
A)  Tonsils 
B)  Thyroid gland 
C)  Arteries 
D)  Kidneys

Question 4

Which of the following is NOT a function of the lymphatic system?

Accepted Answer

A)  Defending from infection caused by microorganisms and other foreign substances 
B)  Aiding in erythropoiesis of red blood cells 
C)  Maintaining fluid balance by returning excess interstitial fluid to the blood 
D)  Absorbing and transporting lipids from the digestive tract 
A)  Defending from infection caused by microorganisms and other foreign substances 
B)  Aiding in erythropoiesis of red blood cells 
C)  Maintaining fluid balance by returning excess interstitial fluid to the blood 
D)  Absorbing and transporting lipids from the digestive tract

Question 5

Germinal centers are the sites of

Accepted Answer

A)  increased blood flow to the lymph nodes. 
B)  fluid production. 
C)  increased flow of lymph from infected tissues. 
D)  entrance of lymph into lymph nodes. 
E)  proliferation of lymphocytes in the lymph nodes. 
A)  increased blood flow to the lymph nodes. 
B)  fluid production. 
C)  increased flow of lymph from infected tissues. 
D)  entrance of lymph into lymph nodes. 
E)  proliferation of lymphocytes in the lymph nodes.

Question 6

Valves in lymphatic vessels allow substances to enter the vessel but reduce the ability for the substance from exiting the vessel.

Accepted Answer

A) True 
 B)False

Question 7

The lymphatic system plays a role in maintaining fluid balance within the body by

Accepted Answer

A)  adding lymph to GI tract secretions. 
B)  returning interstitial fluid to the blood. 
C)  transporting lymph from tissues to the liver. 
D)  carrying excess fluid to the kidneys to be excreted. 
E)  actively absorbing fluid from the blood. 
A)  adding lymph to GI tract secretions. 
B)  returning interstitial fluid to the blood. 
C)  transporting lymph from tissues to the liver. 
D)  carrying excess fluid to the kidneys to be excreted. 
E)  actively absorbing fluid from the blood.

Question 8

Edema of the inguinal region results from removal of popliteal lymph nodes.

Accepted Answer

A) True 
 B)False

Question 9

The MHC class I antigen complex displays a foreign antigen on the cell surface. This prompts the immune system to destroy

Accepted Answer

A)  B cell clones. 
B)  extracellular antigens. 
C)  the displaying cell. 
D)  mature red blood cells. 
E)  the virus inside the cell, but not the cell. 
A)  B cell clones. 
B)  extracellular antigens. 
C)  the displaying cell. 
D)  mature red blood cells. 
E)  the virus inside the cell, but not the cell.

Question 10

Active natural immunity occurs when

Accepted Answer

A)  antibodies pass from a pregnant mother to her fetus. 
B)  antibodies are injected into a host. 
C)  an individual develops a disease. 
D)  a person is vaccinated. 
E)  antibodies are passed in breast milk. 
A)  antibodies pass from a pregnant mother to her fetus. 
B)  antibodies are injected into a host. 
C)  an individual develops a disease. 
D)  a person is vaccinated. 
E)  antibodies are passed in breast milk.

Question 11

The process of eliminating those lymphocytes that react or respond against self-antigens is called ________.

Accepted Answer

A)  phagocytosis 
B)  inflammation 
C)  negative selection 
D)  activation of complement 
E)  natural selection 
A)  phagocytosis 
B)  inflammation 
C)  negative selection 
D)  activation of complement 
E)  natural selection

Question 12

Defense mechanisms that respond at the same speed and efficiency upon repeated exposure are classified as ________ immunity and defense mechanisms that increase in speed and strength upon repeated exposure are classified as ________ immunity.

Accepted Answer

A)  innate; non-specific 
B)  adaptive; innate 
C)  specific; innate 
D)  innate; adaptive 
A)  innate; non-specific 
B)  adaptive; innate 
C)  specific; innate 
D)  innate; adaptive

Question 13

Lymph exits a lymph node via the ________.

Accepted Answer

A)  efferent lymphatic vessels 
B)  afferent lymphatic vessels 
C)  cortical sinuses 
D)  trabeculae 
E)  lymphatic duct 
A)  efferent lymphatic vessels 
B)  afferent lymphatic vessels 
C)  cortical sinuses 
D)  trabeculae 
E)  lymphatic duct

Question 14

Adaptive immunity is stimulated by ________.

Accepted Answer

A)  antigens 
B)  histamines 
C)  antibodies 
D)  complement 
E)  plasma proteins 
A)  antigens 
B)  histamines 
C)  antibodies 
D)  complement 
E)  plasma proteins

Question 15

A protein that helps to protect the body against viral infections is ________.

Accepted Answer

A)  complement 
B)  interferon 
C)  lysozyme 
D)  histamine 
E)  kinin 
A)  complement 
B)  interferon 
C)  lysozyme 
D)  histamine 
E)  kinin

Question 16

The periarterial lymphatic sheath and the lymphatic nodules are part of the red pulp of the spleen.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is NOT a mechanism of complement action?

Accepted Answer

A)  Produces cytokines 
B)  Opsonization 
C)  Attracts other immune cells to the site of infection 
D)  Forms a MAC that leads to cell lysis 
A)  Produces cytokines 
B)  Opsonization 
C)  Attracts other immune cells to the site of infection 
D)  Forms a MAC that leads to cell lysis

Question 18

A molecule produced by cells of the right arm moves into a nearby lymphatic vessel. This molecule will eventually enter the bloodstream by passing through the ________ into the ________.

Accepted Answer

A)  right lymphatic trunk; right subclavian vein 
B)  thoracic duct; superior vena cava 
C)  thoracic duct; right subclavian vein 
D)  right lymphatic trunk; superior vena cava 
A)  right lymphatic trunk; right subclavian vein 
B)  thoracic duct; superior vena cava 
C)  thoracic duct; right subclavian vein 
D)  right lymphatic trunk; superior vena cava

Question 19

A small molecule that can cause an allergic reaction is a/an ________.

Accepted Answer

A)  T cell 
B)  B cell 
C)  antibody 
D)  hapten 
A)  T cell 
B)  B cell 
C)  antibody 
D)  hapten

Question 20

Which of the following is NOT a key sign of inflammation?

Accepted Answer

A)  Jaundice 
B)  Pain 
C)  Swelling 
D)  Redness 
E)  Heat 
A)  Jaundice 
B)  Pain 
C)  Swelling 
D)  Redness 
E)  Heat

Exam 22: Lymphatic System and Immunity

The lymphatic system is involved in

The HIV virus infects ________.

Which of the following is not part of the lymphatic system?

Which of the following is NOT a function of the lymphatic system?

Germinal centers are the sites of

Valves in lymphatic vessels allow substances to enter the vessel but reduce the ability for the substance from exiting the vessel.

The lymphatic system plays a role in maintaining fluid balance within the body by

Edema of the inguinal region results from removal of popliteal lymph nodes.

The MHC class I antigen complex displays a foreign antigen on the cell surface. This prompts the immune system to destroy

Active natural immunity occurs when

The process of eliminating those lymphocytes that react or respond against self-antigens is called ________.

Defense mechanisms that respond at the same speed and efficiency upon repeated exposure are classified as ________ immunity and defense mechanisms that increase in speed and strength upon repeated exposure are classified as ________ immunity.

Lymph exits a lymph node via the ________.

Adaptive immunity is stimulated by ________.

A protein that helps to protect the body against viral infections is ________.

The periarterial lymphatic sheath and the lymphatic nodules are part of the red pulp of the spleen.

Which of the following is NOT a mechanism of complement action?

A molecule produced by cells of the right arm moves into a nearby lymphatic vessel. This molecule will eventually enter the bloodstream by passing through the ________ into the ________.

A small molecule that can cause an allergic reaction is a/an ________.

Which of the following is NOT a key sign of inflammation?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters

Defense mechanisms that respond at the same speed and efficiency upon repeated exposure are classified as immunity and defense mechanisms that increase in speed and strength upon repeated exposure are classified as immunity.

A molecule produced by cells of the right arm moves into a nearby lymphatic vessel. This molecule will eventually enter the bloodstream by passing through the into the .