Question 1

The intense inflammatory response seen in poison ivy is due to activity of the

Accepted Answer

A) cytotoxic T cells. 
B) plasma cells. 
C) delayed hypersensitivity cells. 
D) macrophages. 
E) mast cells. 
A) cytotoxic T cells. 
B) plasma cells. 
C) delayed hypersensitivity cells. 
D) macrophages. 
E) mast cells.

Question 2

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 3

Several research groups are working on vaccines that will be effective against the AIDS virus.When a successful vaccine is produced,it is likely to be injected to produce

Accepted Answer

A) active natural immunity. 
B) active artificial immunity. 
C) passive natural immunity. 
D) passive artificial immunity. 
E) active passive immunity. 
A) active natural immunity. 
B) active artificial immunity. 
C) passive natural immunity. 
D) passive artificial immunity. 
E) active passive immunity.

Question 4

Bean-shaped lymphatic organs found along lymphatic vessels are called

Accepted Answer

A) lymph nodes. 
B) medullary cords. 
C) cisterna chyli. 
D) trabeculae. 
E) lymph nodules. 
A) lymph nodes. 
B) medullary cords. 
C) cisterna chyli. 
D) trabeculae. 
E) lymph nodules.

Question 5

Match the appropriate characteristic with the type of immunity.
-provide protection against extracellular antigens

Accepted Answer

A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity,antibody-mediated immunity and cell-mediated immunity 
A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity,antibody-mediated immunity and cell-mediated immunity

Question 6

As a result of opsonization,

Accepted Answer

A) holes are produced in target cell membranes. 
B) organ transplant rejection occurs. 
C) antigens are more susceptible to phagocytosis. 
D) antigens clump together. 
E) inflammation,chemotaxis,and lysis occur. 
A) holes are produced in target cell membranes. 
B) organ transplant rejection occurs. 
C) antigens are more susceptible to phagocytosis. 
D) antigens clump together. 
E) inflammation,chemotaxis,and lysis occur.

Question 7

Match the appropriate characteristic with the type of immunity.
-protection against intracellular antigens

Accepted Answer

A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity,antibody-mediated immunity and cell-mediated immunity 
A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity,antibody-mediated immunity and cell-mediated immunity

Question 8

Match the term with the appropriate description.
-thymic corpuscles

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

How do lymphatic capillaries differ form blood capillaries?

Accepted Answer

A) Lymphatic capillaries do not have a basement membrane. 
B) Simple squamous epithelial cells of lymphatics overlap with loose attachments. 
C) Lymphatic capillaries are more permeable than blood capillaries. 
D) Lymphatic capillary epithelium act as one-way valves preventing movement of fluid back into interstitial spaces. 
E) All of the choices are ways lymphatic capillaries differ from blood capillaries. 
A) Lymphatic capillaries do not have a basement membrane. 
B) Simple squamous epithelial cells of lymphatics overlap with loose attachments. 
C) Lymphatic capillaries are more permeable than blood capillaries. 
D) Lymphatic capillary epithelium act as one-way valves preventing movement of fluid back into interstitial spaces. 
E) All of the choices are ways lymphatic capillaries differ from blood capillaries.

Question 10

Transplanted tissues and organs that contain _________ _________ are rejected by the body.

Accepted Answer

A) self-antigens 
B) foreign antigens 
C) foreign antibodies 
D) self-antibodies 
E) plasma proteins 
A) self-antigens 
B) foreign antigens 
C) foreign antibodies 
D) self-antibodies 
E) plasma proteins

Question 11

What is the purpose of lacteals?

Accepted Answer

A) Drain blood from the spleen. 
B) Absorb fluid from capillary beds. 
C) Absorb lipids from the digestive tract. 
D) Absorb solutes from interstitial spaces. 
A) Drain blood from the spleen. 
B) Absorb fluid from capillary beds. 
C) Absorb lipids from the digestive tract. 
D) Absorb solutes from interstitial spaces.

Question 12

The spleen

Accepted Answer

A) filters damaged red blood cells from the blood. 
B) changes undifferentiated lymphocytes into competent lymphocytes. 
C) is necessary for life.It can't be removed without causing death. 
D) produces several different hormones with unknown function. 
E) has additional digestive functions. 
A) filters damaged red blood cells from the blood. 
B) changes undifferentiated lymphocytes into competent lymphocytes. 
C) is necessary for life.It can't be removed without causing death. 
D) produces several different hormones with unknown function. 
E) has additional digestive functions.

Question 13

Which of the following is false?

Accepted Answer

A) The HIV virus binds to the CD4 molecule of host cells. 
B) There is currently only one cure for AIDS - AZT. 
C) Most manifestations of AIDS are explained by the loss of helper T cell functions. 
D) Once infected by the virus,a person will test positive for HIV antibodies. 
E) In order for HIV to replicate,viral RNA is used to make viral DNA,which is inserted into the host cell's DNA. 
A) The HIV virus binds to the CD4 molecule of host cells. 
B) There is currently only one cure for AIDS - AZT. 
C) Most manifestations of AIDS are explained by the loss of helper T cell functions. 
D) Once infected by the virus,a person will test positive for HIV antibodies. 
E) In order for HIV to replicate,viral RNA is used to make viral DNA,which is inserted into the host cell's DNA.

Question 14

A child is born with a congenital disease that results in total loss of B cells.Which of the following would be a consequence of this immunodeficiency?

Accepted Answer

A) no lymphokine production 
B) lack of antibody formation 
C) nonfunctioning complement system 
D) inability to form any type of memory cell 
E) no antigens on the cells 
A) no lymphokine production 
B) lack of antibody formation 
C) nonfunctioning complement system 
D) inability to form any type of memory cell 
E) no antigens on the cells

Question 15

Match the cell of adaptive immunity with its function.
-B cell

Accepted Answer

A) quick and responsive to antigen,remembers previous exposure 
B) after activitaion,differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells 
A) quick and responsive to antigen,remembers previous exposure 
B) after activitaion,differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells

Question 16

Match the term or description to the type of hypersensitivity.
-allergic reaction

Accepted Answer

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

Question 17

B-cells

Accepted Answer

A) are a subset of T cells. 
B) when activated become plasma cells and produce antibodies. 
C) are responsible for forming all the body's memory cells. 
D) suppress the activity of T cells. 
E) mature in the thymus. 
A) are a subset of T cells. 
B) when activated become plasma cells and produce antibodies. 
C) are responsible for forming all the body's memory cells. 
D) suppress the activity of T cells. 
E) mature in the thymus.

Question 18

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 19

Match the appropriate characteristic with the type of immunity.
-B cells

Accepted Answer

A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity,antibody-mediated immunity and cell-mediated immunity 
A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity,antibody-mediated immunity and cell-mediated immunity

Question 20

Circulatory changes that occur in inflammation include

Accepted Answer

A) increased viscosity of the blood. 
B) decreased vascular permeability. 
C) increased vascular permeability. 
D) decreased blood flow to the area. 
E) vasoconstriction. 
A) increased viscosity of the blood. 
B) decreased vascular permeability. 
C) increased vascular permeability. 
D) decreased blood flow to the area. 
E) vasoconstriction.

Exam 22: Lymphatic System and Immunity

The intense inflammatory response seen in poison ivy is due to activity of the

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

Several research groups are working on vaccines that will be effective against the AIDS virus.When a successful vaccine is produced,it is likely to be injected to produce

Bean-shaped lymphatic organs found along lymphatic vessels are called

Match the appropriate characteristic with the type of immunity. -provide protection against extracellular antigens

As a result of opsonization,

Match the appropriate characteristic with the type of immunity. -protection against intracellular antigens

Match the term with the appropriate description. -thymic corpuscles

How do lymphatic capillaries differ form blood capillaries?

Transplanted tissues and organs that contain _________ _________ are rejected by the body.

What is the purpose of lacteals?

The spleen

Which of the following is false?

A child is born with a congenital disease that results in total loss of B cells.Which of the following would be a consequence of this immunodeficiency?

Match the cell of adaptive immunity with its function. -B cell

Match the term or description to the type of hypersensitivity. -allergic reaction

B-cells

Active natural immunity occurs when

Match the appropriate characteristic with the type of immunity. -B cells

Circulatory changes that occur in inflammation include

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

Filters

Transplanted tissues and organs that contain _ _ are rejected by the body.