Lymphatic System Final Exam

Troublesome small molecules or incomplete antigens that may mount an attack that is harmful rather than protective are called ________. A) haptens B) antibodies C) pyrogens D) interferons

A

What does fever accomplish? A) Fever inhibits bacteria reproduction and speeds the repair process. B) Fever promotes cell lysis by direct cell attack. C) Fever enables macrophages to attack microorganisms. D) Fever prevents the spread of pathogens to adjacent tissues. E) Fever prevents the formation of complement fixation.

A

The ________ duct drains lymph from the right arm and the right side of the head and thorax. A) brachiocephalic B) subclavian C) thoracic D) right lymphatic

D

The process by which antibodies bind to specific sites on bacterial exotoxins (toxic chemicals secreted by bacteria) to block their harmful effects is called ________. A) agglutination B) chemotaxis C) complement fixation D) neutralization E) precipitation

D

The study of immunity is called ________. A) histology B) anatomy C) pathology D) immunology E) microbiology

D

Vaccines are NOT for ________. A) pneumonia B) tetanus C) measles D) snake bites E) polio

D

Which of the following is NOT one of the four most common indicators of the inflammatory response? A) redness B) heat C) swelling D) chills E) pain

D

The third line of defense involves the adaptive response mediated by ________. A) lymphocytes B) antigens C) mucous membranes D) pathogens

A

Tissue grafts harvested from a different animal species are known as ________. A) xenografts B) autografts C) allografts D) isografts

A

What is the best graft to have so as to avoid rejection of a transplanted tissue? A) an autograft B) a graft from a recently deceased individuals C) a graft from another primate D) a xenograft E) an allograft

A

What type of T cell releases cytokines to indirectly rid the body of antigens? A) helper T cells B) cytotoxic T cells C) regulatory T cells D) killer T cells E) suppressor T cells

A

Which one of the following is NOT an autoimmune disease? A) AIDS B) multiple sclerosis C) Graves' disease D) type I diabetes mellitus E) rheumatoid arthritis

A

The region of the antibody that varies from antibody to antibody is called the ________ region. A) regional or R B) variable or V C) constant or C D) stable or S

B

The specific foreign substances that an individual's immune system has the ability to recognize and resist are determined by ________. A) individual exposure to the specific foreign substance B) individual genetic makeup C) the total number of lymphocytes present at a given time D) the total number of macrophages at a given time E) the total number of self-antigens at a given time

B

The thymus is most active during ________. A) infancy B) adolescence C) middle age D) old age E) the entire lifetime

B

What lymphoid organ stores platelets and acts as a blood reservoir? A) thymus B) spleen C) appendix D) tonsils E) Peyer's patches

B

What structure carries lymph into a lymph node? A) trabeculae B) afferent lymphatic vessel C) follicles D) efferent lymphatic vessel E) germinal center

B

Where is the thymus located? A) pharynx B) beneath sternum overlying heart C) armpits, groin, and neck D) small intestine E) left side of abdominopelvic cavity

B

Which antibody-antigen interaction results when a foreign blood type is transfused and clumped? A) opsonization B) agglutination C) neutralization D) precipitation E) phagocytosis

B

Which one of the following is NOT a mechanism that aids lymph return to the heart? A) milking action of skeletal muscles B) pressure changes within the thorax C) the pumping action of the heart D) smooth muscle contractions within the lymphatic vessels E) presence of valves within the larger lymph vessels

B

Which one of the following is NOT one of the nonspecific body defenses? A) intact skin B) antibody production C) the inflammatory response D) fever E) natural killer cells

B

The role of the ________ is to trap and remove bacteria or other foreign pathogens entering the throat. A) thymus B) spleen C) tonsils D) lymph node

C

What inhibits viruses from entering and attacking healthy cells? A) membrane-attack complexes (MAC) B) keratin C) interferons D) pyrogens E) complement

C

What is the chief way the body responds to antigens? A) agglutination B) chemotaxis C) complement fixation D) neutralization E) precipitation

C

Which lymphoid tissues trap and remove bacteria entering the throat? A) axillary lymph nodes B) cervical lymph nodes C) tonsils D) Peyer's patches E) thymus gland

C

Which of the following substances is NOT likely to trigger the immune response? A) pollen grains B) bacteria C) self-antigens D) fungi E) virus particles

C

Which portion of the antibody's structure determines the antibody's class? A) variable region B) heavy chain C) constant region D) disulfide bonds E) light chain

C

Active immunity to tetanus, whooping cough, and polio can be artificially acquired when we receive ________. A) vaccines B) serum C) antivenom D) antitoxin

A

Antigen presentation is essential for the activation and clonal selection of ________. A) T cells B) B cells C) plasma cells D) antigen-presenting cells E) antibodies

A

Bacteria and tumor cells are removed from lymph by ________. A) lymph nodes B) tonsils C) the spleen D) thymus

A

Due to a recent respiratory illness from a viral infection , Jennifer has now developed ________. A) naturally acquired active immunity B) artificially acquired active immunity C) naturally acquired passive immunity D) artificially acquired passive immunity E) passively acquired natural immunity

A

Killer T cells, which kill virus-invaded body cells, are also called ________. A) cytotoxic T cells B) regulatory T cells C) antigen-presenting cells D) helper T cells

A

The right lymphatic duct collects lymph from the ________. A) right arm B) right leg C) left leg D) left side of the head E) right and left legs

A

A tropical disease that results when parasitic worms clog the lymphatic vessels is called ________. A) glomerulonephritis B) elephantiasis C) appendicitis D) allergic contact dermatitis

B

B cells develop immunocompetence in the ________. A) thymus gland B) bone marrow C) spleen D) thyroid gland E) lymph nodes

B

Chemotaxis is best described as ________. A) the movement of neutrophils through capillary walls B) the movement of cells along a chemical gradient C) the dilation of blood vessels D) the release of a lytic chemical by perforins E) the accumulation of excess fluids in tissue space

B

Lymph fluid and some plasma proteins originate (escape) from the ________. A) intracellular fluid B) blood vascular system C) endocrine system D) respiratory system

B

Lymph from the left arm returns to the heart through the ________. A) inferior vena cava B) left subclavian vein C) left external jugular vein D) left subclavian artery E) aorta

B

Membrane attack complexes (MAC) form holes in attacked cells causing them to burst; this is a result of ________. A) interferon B) complement fixation C) natural killer cells D) keratin E) phagocytes

B

Peyer's patches and the tonsils are part of the collection of small lymphoid tissues that protect the upper respiratory and digestive tracts from infection and are referred to as ________. A) lymph nodes B) MALT or mucosa-associated lymphatic tissue C) germinal centers D) lymphatics

B

The adaptive (specific) defense system ________. A) is an innate defense B) issues an attack specific to particular foreign substances C) includes the skin and mucous membranes D) is the body's first line of defense against invading pathogens E) provides mechanical barriers to the body

B

The binding of complement proteins to certain sugar or proteins on a foreign cell's surface is called ________. A) cellular immunity (cellular-mediated immunity) B) complement fixation C) positive chemotaxis D) diapedesis

B

The major role of ________ cells is to engulf antigens and present pieces of them to the cells that will deal with those fragments. A) helper T B) antigen-presenting C) cytotoxic T D) killer

B

Which lymphatic organ's major job is to destroy worn-out red blood cells and return some of the products to the liver? A) tonsils B) spleen C) thymus gland D) appendix E) Peyer's patches

B

Which of the following is often used to treat allergies? A) corticosteroids B) antihistamines C) blood transfusions D) bone marrow transplants E) immunosuppressor drugs

B

Which one of the following is NOT one of the antibody classes? A) IgA B) IgB C) IgD D) IgG E) IgE

B

A(n) ________ is any substance capable of mobilizing our immune system and provoking an immune response. A) interferon B) antibody C) antigen D) pyrogen

C

Allergic contact dermatitis following skin contact with poison ivy would normally lead to ________. A) immediate hypersensitivity B) acute hypersensitivity C) delayed hypersensitivity D) anaphylactic shock E) immunodeficiency

C

Antigen-presenting cells behave as ________. A) interferons B) pyrogens C) macrophages D) natural killer cells E) complement

C

Excess accumulation of fluid, which impairs the exchange of materials within the tissues, is called ________. A) stroke B) shock C) edema D) MALT (mucosa-associated lymphatic tissue)

C

Harmful or disease-causing microorganisms from which nonspecific defenses protect the body are called ________. A) macrophages B) antibodies C) pathogens D) allergens

C

Large antigen-antibody complexes can become insoluble and settle out of solution, a reaction called ________. A) neutralization B) complement fixation C) precipitation D) agglutination

C

Lymphocytes are trained to be self-tolerant of ________. A) fungi B) foreign blood cells C) the body's own cells D) viruses E) bacteria

C

Small proteins known as ________ are secreted by virus-infected cells to help defend cells that have not yet been infected. A) haptens B) pyrogens C) interferons D) antigens

C

Systemic (body-wide) acute allergic response caused by allergens that directly enter the blood, as with certain bee stings or spider bites, is called ________. A) myasthenia gravis B) rheumatic fever C) anaphylactic shock D) delayed hypersensitivity

C

The body's first line of defense against the invasion of disease-causing microorganisms is ________. A) phagocytes B) natural killer cells C) skin and mucous membranes D) inflammatory response E) fever

C

The inflammatory process begins with release of chemicals, which do all of the following EXCEPT ________. A) dilate blood vessels B) attract phagocytes to the area C) stimulate release of lysozyme D) cause capillaries to become leaky E) activate pain receptors

C

The lymph tissues found within the walls of the small intestine are called ________. A) tonsils B) appendix C) Peyer's patches D) thymus tissues E) intestinal nodes

C

The process by which neutrophils are squeezed through the capillary walls during the inflammatory process is called ________. A) agglutination B) chemotaxis C) diapedesis D) coagulation E) antibody production

C

AIDS cripples the immune system by interfering with the activity of cells called ________. A) antigen-presenting cells B) plasma cells C) memory cells D) helper T cells

D

Antibodies provided by serum from an immune donor or an animal donor do not challenge the B cells and thus provide ________. A) cellular or cell-mediated immunity B) active immunity C) natural immunity D) passive immunity

D

Hannah has an auto-immune disease in which the beta cells of the pancreas are destroyed. As a result, she does not make enough insulin. What disease does she have? A) multiple sclerosis B) Graves' disease C) myasthenia gravis D) type I diabetes mellitus E) systemic lupus erythematosis

D

How do plasma cells assist with humoral immunity? A) Plasma cells reproduce rapidly to crowd pathogens out of the blood. B) Plasma cells bind to viruses and bacteria to immobilize them. C) Plasma cells produce interferons. D) Plasma cells secrete highly-specific antibodies. E) Plasma cells secrete pyrogens.

D

Humoral immunity is provided by ________. A) pyrogens B) skin and mucous membranes C) interferon D) antibodies E) complement fixation

D

Mucosa-associated lymphatic tissue (MALT) includes the ________. A) spleen B) thymus C) tonsils only D) tonsils, the appendix, and Peyer's patches E) tonsils and spleen

D

Redness, heat, swelling, and pain are the four most common indicators of ________. A) fever B) dehydration C) edema D) acute inflammation

D

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 ________. A) clonal B) incompetent C) immune D) immunocompetent E) complemented

D

T cells or B cells that are capable of responding to a specific antigen by binding to it with antigen-specific receptors that appear on the lymphocyte's surface are considered ________. A) clones B) complement C) self-tolerant D) immunocompetent

D

IgE ________. A) is mainly found in mucus and secretions such as tears and saliva B) is passed from mother to fetus during pregnancy C) is the most abundant antibody in blood plasma D) can fix complement E) is involved in allergies

E

Lymph is largely composed of water that has escaped from ________. A) cytosol B) cerebrospinal fluid C) saliva D) tears E) blood

E

Which one of the following is NOT true of the constant (C) regions of antibodies? A) The constant regions are the same or nearly the same on all antibodies. B) The constant regions form the "stem" of an antibody. C) The constant regions determine the specific type of antibody class formed. D) The constant regions form an antigen-binding site. E) The constant regions determine how an antibody class will carry out its immune role.

D