Lymphatic system review

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The fibrous capsule of lymph nodes contains strands called __________ that divide the node into compartments
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Trabecullae
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The relatively common autoimmune disease in which the thyroid gland produces excessive amounts of thyroxine is called:
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Grave’s disease
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With immediate hypersensitivy, the antibody class that binds to mast cells and basophils that trigger the release of histamine and other chemicals is:
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IgE
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substances is NOT typically perceived as an antigen:
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Self-antigens
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Regardless of whether it matures into a B cell or a T cell, a lymphocyte that is capable of responding to a specific antigen by binding to it is said to be:
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Immunocompetent
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Excess accumulations of fluid, which impair the exchange of materials within the tissues, is called
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Edema
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Musoca-associated lymphatic tissue (MALT) includes:
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Tonsils and Peyer’s patches
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The inflammatory process begins with release of chemicals, which do all of the following EXCEPT:
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Stimulate release of lysozyme
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Which one of the following is NOT a method by which antibodies inactivate antigens:
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Chemotaxis
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Systemic (bodywide) acute allergic response caused by allergens that directly enter the blood, as with certain bee stings or spider bites, is called __________.
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Anaphalylactic shock
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Allergic contact dermatitis following skin contact with poison ivy would normally lead to:
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Delayed hypersentivity
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Which one of the following is NOT true of the constant (C) regions of antibodies
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They form an antigen-binding site
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Lymph fluid and some plasma proteins originate (escape) from the __________.
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Blood plasma
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The lymph organ that programs T cells and functions at peak levels only during youth is the
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Thymus
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The process by which neutrophils squeeze through capillary walls is called ______
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Diapedesis
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Tissues invaded by viruses, which attempt to replicate themselves by taking over cellular machinery, secrete small proteins called __________ to protect nearby cells and hinder further multiplication of the viruses.
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Interferon
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Which lymphoid tissues trap and remove bacteria entering the throat:
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Tonsils
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Which one of the following is NOT one of the antibody classes:
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IgB
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The clumping of foreign cells, a type of antigen-antibody reaction, is called ___
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Agglutination
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Which of these lymphoid organs is found along the left side of the abdominal cavity:
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Spleen
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The lymph tissues found within the walls of the small intestine are called:
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Peyer’s patches
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Which one of the following is NOT one of the four most common indicators of the inflammatory response:
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Fever
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Which one of the following is NOT one of the nonspecific body defenses:
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Antibody production
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Antigen presentation is essential for the activation and clonal selection of
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T Cells
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Lymph from the left arm would return to the heart through the:
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Thoracic duct
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Which one of the following is NOT an autoimmune disease:
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AIDS
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Immune sera are used for all of the following EXCEPT:
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Tuberculosis
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Vaccines are NOT for:
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Snake bites
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The role of the __________ in the lymphatic system is to remove worn-out blood cells and return some of the products to the liver.
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Spleen
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Troublesome small molecules or incomplete antigens that may mount an attack that is harmful rather than protective are called __________.
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Haptens
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When B cells encounter antigens and produce antibodies against them, we exhibit
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Active immunity
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The process by which WBCs and phagocytes migrate to an area experiencing acute inflammation is called __________.
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Chemotaxis
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One effect of complement fixation that causes the cell membranes of foreign cells to become sticky so that they are easier to phagocytize is called __________.
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Opsonization
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Lymph exits the lymph node via the __________ vessels
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Efferent lymphatic
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An isograft is a tissue graft donated by
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An identical twin
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The specific antibody class that has the ability to cross the placental barrier and provide immunity to the fetus is:
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IgG
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The body’s temperature-regulating \”thermostat\” that can be reset upward in response to pyrogens is located in the:
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Hypothalamus
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Which lymphatic organ’s major job is to destroy worn-out red blood cells and return some of the products to the liver:
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Spleen
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The specific foreign substances that an individual’s immune system has the ability to recognize and resist is determined by:
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Individual genetic makeup
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The fluid that is forced out of the capillary beds by hydrostatic and osmotic pressures and into the tissue spaces is called:
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Lymph
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A tropical disease that results when parasitic worms clog the lymphatic vessels is called
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Elephantiasis
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The binding of antibodies to specific sites on bacterial exotoxins or viruses is called
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Neutralization
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Compared to the nonspecific chemicals that cover body surfaces and mucous membranes, the specific body defense system is:
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Slower
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Which one of the following is NOT true of lymph nodes:
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The have valves similar to those found in veins
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Lymph flows:
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Toward the heart only
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Which one of the following CANNOT be said about the history of immunity:
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scientists of the mid-1900s discovered the viral origin of AIDS
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The specific type of acquired immunity that a fetus obtains from maternal antibodies that cross the placenta is called:
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Naturally Acquired passive immunity
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The process by which antibodies bind to specific sites on bacterial exotoxins (toxic chemicals secreted by bacteria) to block their harmful effects is called:
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Neutralization
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The study of immunity is called:
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Immunology
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The binding of complement proteins to certain sugar or proteins on a foreign cell’s surface is called
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Complement fixation
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Which one of the following is NOT a type of immunosuppressive therapy given after surgery to prevent rejection of a graft:
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Gamma globulin
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Fever has the effect of doing all of the following EXCEPT
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Stimulating complement fixation
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Harmful or disease-causing microorganisms from which nonspecific defenses protect the body are called __________.
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Pathogens
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IgA
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Is mainly found in mucus and secretions such as tears and saliva
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AIDS cripples the immune system by interfering with the activity of cells called __________.
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Helper T Cells
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Which one of the following is NOT a mechanism that aids lymph return:
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The pumping action of the heart
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Which one of the following is NOT true of macrophages:
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They circulate continuously throughout the body
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Killer T cells, which kill virus-invaded body cells, are also called ________
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Cytotoxic T cells
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What specific type of acquired immunity do vaccines provide:
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Artificially acquired active immunity
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When an antigen binds to B cell surface receptors, it becomes sensitized (activated) and undergoes __________.
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Clonal selection
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Antibodies constitute an important part of blood proteins and are also referred to as
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Immunoglobulins
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Which one of the following is NOT a type of lymphoid organ:
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Appendix
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The body’s first line of defense against the invasion of disease-causing microorganisms is:
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Skin and mucous membranes

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