Question 1

The HIV virus can be transmitted

Accepted Answer

A) only from males to other males. 
B) during unprotected sexual intercourse. 
C) by coughing or sneezing. 
D) by contact with people at work. 
E) by hugging an infected child. 
A) only from males to other males. 
B) during unprotected sexual intercourse. 
C) by coughing or sneezing. 
D) by contact with people at work. 
E) by hugging an infected child.

Question 2

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 3

Which of the following cytokines is mismatched?

Accepted Answer

A) perforin - makes a hole in target cell membranes 
B) alpha interferon - prevents viral replication 
C) lymphotoxin - costimulator of T cells 
D) interleukin 4 - plays a role in allergic reactions 
E) TNF - activates macrophages and promotes fever 
A) perforin - makes a hole in target cell membranes 
B) alpha interferon - prevents viral replication 
C) lymphotoxin - costimulator of T cells 
D) interleukin 4 - plays a role in allergic reactions 
E) TNF - activates macrophages and promotes fever

Question 4

Which of the following organs does NOT contain lymphatic tissue?

Accepted Answer

A) liver 
B) spleen 
C) lingual tonsils 
D) thymus 
E) pharyngeal tonsils. 
A) liver 
B) spleen 
C) lingual tonsils 
D) thymus 
E) pharyngeal tonsils.

Question 5

The effects of cell-mediated immunity are the result of activities of

Accepted Answer

A) B cells. 
B) cytotoxic T cells. 
C) macrophages. 
D) dendritic cells. 
E) helper T cells. 
A) B cells. 
B) cytotoxic T cells. 
C) macrophages. 
D) dendritic cells. 
E) helper T cells.

Question 6

Lymphocyte activation can occur in several ways.However,in all cases

Accepted Answer

A) lymphocytes must recognize an antigen. 
B) helper T cells are activated first and they then stimulate other cells. 
C) antigen-presenting cells process the antigen and present it to the lymphocytes. 
D) cytokines released by the antigen stimulate the lymphocyte response. 
E) antigens must be able to recognize the lymphocytes. 
A) lymphocytes must recognize an antigen. 
B) helper T cells are activated first and they then stimulate other cells. 
C) antigen-presenting cells process the antigen and present it to the lymphocytes. 
D) cytokines released by the antigen stimulate the lymphocyte response. 
E) antigens must be able to recognize the lymphocytes.

Question 7

The movement of leukocytes to the source of certain chemicals is called

Accepted Answer

A) chemotaxis. 
B) opsonization. 
C) chemoreception. 
D) phagocytosis. 
E) hemolysis. 
A) chemotaxis. 
B) opsonization. 
C) chemoreception. 
D) phagocytosis. 
E) hemolysis.

Question 8

Match the term with the appropriate description.
-histamine

Accepted Answer

A) lipids that cause smooth muscle relaxation and vasodilation 
B) lymph nodules aggregated in the small intestinal wall 
C) rounded epithelial structures found in the medulla of thymus 
D) areas of a lymph node where lymphocytes divide 
E) a chemical released from mast cells that causes vasodilation 
A) lipids that cause smooth muscle relaxation and vasodilation 
B) lymph nodules aggregated in the small intestinal wall 
C) rounded epithelial structures found in the medulla of thymus 
D) areas of a lymph node where lymphocytes divide 
E) a chemical released from mast cells that causes vasodilation

Question 9

Stimulating the proliferation of cytotoxic T cells to destroy cancer cells is an example of

Accepted Answer

A) immunotherapy. 
B) immunocompetence. 
C) tolerance. 
D) passive artificial acquired immunity. 
E) passive natural acquired immunity. 
A) immunotherapy. 
B) immunocompetence. 
C) tolerance. 
D) passive artificial acquired immunity. 
E) passive natural acquired immunity.

Question 10

A surface chemical that prevents microbial growth is

Accepted Answer

A) histamine. 
B) leukotriene. 
C) sebum. 
D) kinin. 
E) interferon. 
A) histamine. 
B) leukotriene. 
C) sebum. 
D) kinin. 
E) interferon.

Question 11

Which of the following characteristics is/are most consistent with adaptive immunity?

Accepted Answer

A) constant response to each exposure 
B) specificity 
C) memory 
D) increased response to second and subsequent exposures 
E) specificity,memory and increased response to second and subsequent exposures 
A) constant response to each exposure 
B) specificity 
C) memory 
D) increased response to second and subsequent exposures 
E) specificity,memory and increased response to second and subsequent exposures

Question 12

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 13

Tolerance is a state of

Accepted Answer

A) hypersensitivity. 
B) transplant rejection. 
C) unresponsiveness to antigens. 
D) responding to self-antigens. 
E) non-recognition of antigens. 
A) hypersensitivity. 
B) transplant rejection. 
C) unresponsiveness to antigens. 
D) responding to self-antigens. 
E) non-recognition of antigens.

Question 14

Which of the following is a subpopulation of T cells?

Accepted Answer

A) cytotoxic 
B) antigenic 
C) cytokinetic 
D) basophilic 
E) antitoxic 
A) cytotoxic 
B) antigenic 
C) cytokinetic 
D) basophilic 
E) antitoxic

Question 15

When innate immunity is activated,

Accepted Answer

A) each exposure is very specific. 
B) previous exposures are remembered. 
C) each exposure produces the same response. 
D) each exposure increases the strength of the immune response. 
E) the second exposure does not produce a response. 
A) each exposure is very specific. 
B) previous exposures are remembered. 
C) each exposure produces the same response. 
D) each exposure increases the strength of the immune response. 
E) the second exposure does not produce a response.

Question 16

Match the term or description to the type of hypersensitivity.
-anaphylaxis

Accepted Answer

A) immediate hypersensitivity 
B) delayed hypersensitivity 
A) immediate hypersensitivity 
B) delayed hypersensitivity

Question 17

Antibodies secreted in breast milk

Accepted Answer

A) are IgG antibodies. 
B) are IgA antibodies. 
C) provide natural active adaptive immunity. 
D) include the cytokine interleukin 2. 
E) promote inflammation. 
A) are IgG antibodies. 
B) are IgA antibodies. 
C) provide natural active adaptive immunity. 
D) include the cytokine interleukin 2. 
E) promote inflammation.

Question 18

Match the type of cell with its function.
-mast cell

Accepted Answer

A) first cell to enter infected tissue 
B) will become macrophage in tissue 
C) lyses tumor and virus-infected cells 
D) cell that increases in number during a parasitic infection 
E) nonmotile cells in connective tissue that promote inflammation
, 
A) first cell to enter infected tissue 
B) will become macrophage in tissue 
C) lyses tumor and virus-infected cells 
D) cell that increases in number during a parasitic infection 
E) nonmotile cells in connective tissue that promote inflammation
,

Question 19

The thymus is where ____ mature and become functional immune cells.

Accepted Answer

A) pre-T cells 
B) pre-B cells 
C) macrophages 
D) null cells 
E) C cells. 
A) pre-T cells 
B) pre-B cells 
C) macrophages 
D) null cells 
E) C cells.

Question 20

Lymph movement is assisted by

Accepted Answer

A) contraction of skeletal muscle. 
B) contraction of smooth muscle in lymph vessel. 
C) pressure changes in the thorax during respiration. 
D) compression of lymphatic vessels. 
E) All of these choices are correct. 
A) contraction of skeletal muscle. 
B) contraction of smooth muscle in lymph vessel. 
C) pressure changes in the thorax during respiration. 
D) compression of lymphatic vessels. 
E) All of these choices are correct.

Exam 22: Lymphatic System and Immunity

The HIV virus can be transmitted

Adaptive immunity is stimulated by

Which of the following cytokines is mismatched?

Which of the following organs does NOT contain lymphatic tissue?

The effects of cell-mediated immunity are the result of activities of

Lymphocyte activation can occur in several ways.However,in all cases

The movement of leukocytes to the source of certain chemicals is called

Match the term with the appropriate description. -histamine

Stimulating the proliferation of cytotoxic T cells to destroy cancer cells is an example of

A surface chemical that prevents microbial growth is

Which of the following characteristics is/are most consistent with adaptive immunity?

Lymph exits a lymph node via the

Tolerance is a state of

Which of the following is a subpopulation of T cells?

When innate immunity is activated,

Match the term or description to the type of hypersensitivity. -anaphylaxis

Antibodies secreted in breast milk

Match the type of cell with its function. -mast cell

The thymus is where ____ mature and become functional immune cells.

Lymph movement is assisted by

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints 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-Based Balance

Reproductive System

Development,growth,aging,and Genetics

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