Question 1

Failure of the thymus to develop,low circulating levels of lymphocytes,and failure of cell-mediated immunity characterize:

Accepted Answer

A) antibody-mediated hypersensitivity. 
B) severe-combined immunodeficiency (SCI
D) . 
C) human immunodeficiency virus 1 (HIV-1). 
D) acquired immunodeficiency syndrome (AIDS). 
A) antibody-mediated hypersensitivity. 
B) severe-combined immunodeficiency (SCI
D) . 
C) human immunodeficiency virus 1 (HIV-1). 
D) acquired immunodeficiency syndrome (AIDS).

Question 2

Vaccinations involve exposure to an antigen to elicit:

Accepted Answer

A) passive immunity. 
B) severe allergic reaction. 
C) a primary immune response. 
D) a secondary immune response. 
A) passive immunity. 
B) severe allergic reaction. 
C) a primary immune response. 
D) a secondary immune response.

Question 3

What initiates T cell activation?

Accepted Answer

A) T cell activation begins when a T cell is ingested by a macrophage. 
B) T cell activation begins when the T cell differentiates into effector cells and memory cells. 
C) T cell activation begins with a dendritic cell processing and displaying antigen fragments on its MHC molecules. 
D) T cell activation begins with the interaction of the T cell with other molecules on the cells called co-stimulators. 
A) T cell activation begins when a T cell is ingested by a macrophage. 
B) T cell activation begins when the T cell differentiates into effector cells and memory cells. 
C) T cell activation begins with a dendritic cell processing and displaying antigen fragments on its MHC molecules. 
D) T cell activation begins with the interaction of the T cell with other molecules on the cells called co-stimulators.

Question 4

Determine why cytokine medications,such as interferons,are often prescribed for viral infections,such as hepatitis B.

Accepted Answer

Cytokine medications can prolong the eff

Question 5

Blood transfusions between incompatible blood types results in:

Accepted Answer

A) type I,or immediate,hypersensitivity. 
B) type II,or antibody-mediated,hypersensitivity. 
C) type III,or immune-complex mediated,hypersensitivity. 
D) type IV,or delayed-type,hypersensitivity. 
A) type I,or immediate,hypersensitivity. 
B) type II,or antibody-mediated,hypersensitivity. 
C) type III,or immune-complex mediated,hypersensitivity. 
D) type IV,or delayed-type,hypersensitivity.

Question 6

T cells and natural killer (NK)cells are largely involved in scanning the cells in the body for tumor antigens,a function known as:

Accepted Answer

A) agglutination. 
B) vaccination. 
C) complement. 
D) immune surveillance. 
A) agglutination. 
B) vaccination. 
C) complement. 
D) immune surveillance.

Question 7

Cancer cells can suppress T cell activity by releasing:

Accepted Answer

A) pyrogens. 
B) opsonins. 
C) perforins. 
D) cytokines. 
A) pyrogens. 
B) opsonins. 
C) perforins. 
D) cytokines.

Question 8

When a person has an autoimmune disorder,antibodies are secreted that bind to:

Accepted Answer

A) other antibodies. 
B) immunoglobulins. 
C) self antigens. 
D) allergens. 
A) other antibodies. 
B) immunoglobulins. 
C) self antigens. 
D) allergens.

Question 9

The framework of the spleen is created by a network of reticular fibers made by reticular cells.

Accepted Answer

A) True 
 B)False

Question 10

Clonal selection occurs when:

Accepted Answer

A) B cells differentiate into plasma cells and memory B cells. 
B) plasma cells secrete antibodies. 
C) B cells are activated. 
D) B cells undergo rapid mitosis. 
A) B cells differentiate into plasma cells and memory B cells. 
B) plasma cells secrete antibodies. 
C) B cells are activated. 
D) B cells undergo rapid mitosis.

Question 11

Mrs.Sanchez had a great deal of inflammation after her recent surgery.The inflammation was triggered by the antibody known as:

Accepted Answer

A) IgD. 
B) IgE. 
C) IgM. 
D) IgA. 
A) IgD. 
B) IgE. 
C) IgM. 
D) IgA.

Question 12

How many antigen-binding sites for antigens does each IgG antibody possess on its V regions?

Accepted Answer

A) 6 
B) 4 
C) 1 
D) 2 
A) 6 
B) 4 
C) 1 
D) 2

Question 13

How long after initial tissue damage does leukocytosis occur?

Accepted Answer

A) 3- 4 days 
B) 3- 4 minutes 
C) 3- 4 hours 
D) 3- 4 weeks 
A) 3- 4 days 
B) 3- 4 minutes 
C) 3- 4 hours 
D) 3- 4 weeks

Question 14

Which antibody is the only one capable of crossing the placenta from a pregnant woman to her developing fetus?

Accepted Answer

A) IgE 
B) IgG 
C) IgM 
D) IgA 
A) IgE 
B) IgG 
C) IgM 
D) IgA

Question 15

Lymph traveling from the right arm will be filtered by:

Accepted Answer

A) mesenteric lymph nodes. 
B) cervical lymph nodes. 
C) axillary lymph nodes. 
D) inguinal lymph nodes. 
A) mesenteric lymph nodes. 
B) cervical lymph nodes. 
C) axillary lymph nodes. 
D) inguinal lymph nodes.

Question 16

T cells directly interact with antigens without other cells involved.

Accepted Answer

A) True 
 B)False

Question 17

Discuss immunological memory and the role of T cells in its formation.

Accepted Answer

Activated helper T (T_H)cells or cytotoxic

Question 18

Elevated levels of neutrophils indicate:

Accepted Answer

A) viral infection. 
B) bacterial infection. 
C) cancer. 
D) normal condition. 
A) viral infection. 
B) bacterial infection. 
C) cancer. 
D) normal condition.

Question 19

Type I,or immediate,hypersensitivity triggers plasma cells to secrete:

Accepted Answer

A) IgA. 
B) IgM. 
C) IgD. 
D) IgE. 
A) IgA. 
B) IgM. 
C) IgD. 
D) IgE.

Question 20

Cells that help regulate the immune response are:

Accepted Answer

A) helper T (TH)cells. 
B) cytotoxic T (T
C) cells. 
C) major histocompatibility complex (MH
C) molecules. 
D) CD8 cells. 
A) helper T (TH)cells. 
B) cytotoxic T (T
C) cells. 
C) major histocompatibility complex (MH
C) molecules. 
D) CD8 cells.

Exam 20: The Lymphatic System and Immunity

Failure of the thymus to develop,low circulating levels of lymphocytes,and failure of cell-mediated immunity characterize:

Vaccinations involve exposure to an antigen to elicit:

What initiates T cell activation?

Determine why cytokine medications,such as interferons,are often prescribed for viral infections,such as hepatitis B.

Blood transfusions between incompatible blood types results in:

T cells and natural killer (NK)cells are largely involved in scanning the cells in the body for tumor antigens,a function known as:

Cancer cells can suppress T cell activity by releasing:

When a person has an autoimmune disorder,antibodies are secreted that bind to:

The framework of the spleen is created by a network of reticular fibers made by reticular cells.

Clonal selection occurs when:

Mrs.Sanchez had a great deal of inflammation after her recent surgery.The inflammation was triggered by the antibody known as:

How many antigen-binding sites for antigens does each IgG antibody possess on its V regions?

How long after initial tissue damage does leukocytosis occur?

Which antibody is the only one capable of crossing the placenta from a pregnant woman to her developing fetus?

Lymph traveling from the right arm will be filtered by:

T cells directly interact with antigens without other cells involved.

Discuss immunological memory and the role of T cells in its formation.

Elevated levels of neutrophils indicate:

Type I,or immediate,hypersensitivity triggers plasma cells to secrete:

Cells that help regulate the immune response are:

Introduction to Anatomy Physiology

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The Cell

Histology

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Introduction to the Nervous System Nervous Tissue

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The Autonomic Nervous System Homeostasis

The Special Senses

The Endocrine System

The Cardiovascular System I: the Heart

The Cardiovascular System Ii: the Blood Vessels

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Fluid, Electrolyte, and Acid-Base Homeostasis

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