Chapter 12: The Lymphatic System
Which of the following is NOT a nonspecific immune response? - Inflammation - Neutrophils - Acid barriers in the stomach - B cell production of antibodies
B cell production of antibodies
White blood cells that engulf and destroy bacteria are called _______________. - phagocytes - B lymphocytes - NK cells - T lymphocytes
phagocytes
A person who has recovered from mumps is protected from contracting the disease again by a ______________. - slow production of antibodies - lack of antibodies - primary humoral response - secondary humoral response
secondary humoral response
What is the body's first line of defense against the invasion of disease-causing microorganisms? - skin and mucous membranes - phagocytes - fever - natural killer cells - inflammatory response
skin and mucous membranes
Each of the following is involved in the formation of antibodies EXCEPT _______________. - an antigen activating some of the body's B cells - activated B cells producing many plasma cells - suppressor T cells growing and dividing very rapidly - plasma cells releasing antibodies into the blood
suppressor T cells growing and dividing very rapidly
Systemic (body-wide) acute allergic response caused by allergens that directly enter the blood, as with certain bee stings or spider bites, is called _____________. - delayed hypersensitivity - rheumatic fever - anaphylactic shock - myasthenia gravis
anaphylactic shock
Proteins secreted by plasma cells that bind to specific pathogens are called ____________. - antibodies - antigens - interferon - complement
antibodies
Any substance capable of provoking an immune response - antigen - antibody - cytokines - perforins - pyrogen
antigen
Chemical released by macrophages and dendritic cells to activate many other immune cells. - antigen - antibody - cytokines - perforins - pyrogen
cytokines
The most important function of the spleen is to ______________. - manufacture insulin - secrete bile - absorb nutrients from food - destroy and process worn-out red blood cells
destroy and process worn-out red blood cells
Excess accumulations of fluid, which impair the exchange of materials within the tissues, is called ____________. - shock - MALT (mucosa-associated lymphatic tissue) - stroke - edema
edema
The keratinized _____________ and the _____________ are the body's first line of defense against pathogens. - lymph nodes; thymus gland - skin; spleen - epidermis; mucous membranes - saliva; lacrimal fluid
epidermis; mucous membranes
Which of the following is a form of natural passive immunity, in which no immunological memory is established? - Placenta or breastfeeding - Vaccine - Infection or contact with a pathogen - Gamma globulin
Placenta or breastfeeding
The lymph nodes help protect the body by which of the following? - Removing lymphocytes - Removing erythrocytes - Producing lymphocytes - Producing toxins
Producing lymphocytes
Which of the following areas is drained by the right lymphatic duct? - Left arm - Right arm - Right leg - The entire head
Right arm
Destroys worn-out blood cells and return some of their break-down products to the liver - Tonsils - Thymus Gland - Peyer's patches - Spleen
Spleen
Located on the left side of the abdominal cavity - Tonsils - Thymus Gland - Peyer's patches - Spleen
Spleen
Humoral immunity is provided by _____________. - complement fixation - antibodies - interferon - pyrogens - skin and mucous membranes
antibodies
Vaccines stimulate the production of these soluble proteins - antigen - antibody - cytokines - perforins - pyrogen
antibody
Which of the following is NOT one of the nonspecific body defenses? - intact skin - the inflammatory response - fever - antibody production - natural killer cells
antibody production
What is humoral immunity? - antibody-mediated immune response - action of natural killer (NK) cells - immune response of T lymphocytes - response of cytokines
antibody-mediated immune response
A(n) ____________ is any substance capable of mobilizing our immune system and provoking an immune response. - antigen - antibody - pyrogen - interferon
antigen
What condition occurs when the body makes antibodies against self-antigens? - immunosuppression - autoimmune disease - allergy - hypersensitivity
autoimmune disease
An infection commonly causes swelling and tenderness of the __________. - joints - lymph nodes - liver - thymus
lymph nodes
Bacteria and tumor cells are removed from lymph by ___________. - tonsils - lymph nodes - thymus - the spleen
lymph nodes
What structures are major components of the lymphatic system? - lymphatic vessels and blood vessels - lymphatic vessels and lymphatic tissues/organs - blood vessels and lymphoid tissues/organs - lymphatic and systemic capillaries
lymphatic vessels and lymphatic tissues/organs
The role of NK cells is to ______________. - produce antibodies - lyse and kill nonspecific targets - fix complement - engulf and digest bacteria
lyse and kill nonspecific targets
Saliva and lacrimal fluid contain ____________, an enzyme that destroys bacteria. - histamine - interferon - lysozyme - perforin
lysozyme
Antibodies provided by serum from an immune donor or an animal donor do not challenge the B cells and thus provide _____________. - cellular or cell-mediated immunity - natural immunity - passive immunity - active immunity
passive immunity
Chemical released by natural killer cells to cause cell lysis - antigen - antibody - cytokines - perforins - pyrogen
perforins
Chemical secreted by white blood cells and macrophages to raise the body's temperature. - antigen - antibody - cytokines - perforins - pyrogen
pyrogen
Natural killer cells attack the target cell's membrane by _____________, which initiate disintegration of the target cell membrane and nucleus. - presenting antigen - secreting antibodies - releasing perforins - fixing complement
releasing perforins
From what part of the body does the right lymphatic duct collects lymph? - left leg - left side of the head - right and left leg - right leg - right arm
right arm
What lymphoid organ stores platelets and acts as a blood reservoir? - thymus - Peyer's patches - appendix - spleen - tonsils
spleen
Which lymphatic organ's major job is to destroy worn-out red blood cells and return some of the products to the liver? - appendix - Peyer's patches - thymus gland - spleen - tonsils
spleen
Which one of the following is NOT a mechanism that aid lymph return to the heart? - pressure changes within the thorax - the pumping action of the heart - presence of valves within the larger lymph vessels - smooth muscle contractions within the lymphatic vessels - milking action of skeletal muscles
the pumping action of the heart
Lymph is largely composed of water that escaped from _______________. - cytosol - blood - tears - cerebrospinal fluid - saliva
blood
The production of a MAC, to create holes in the cell surface of pathogens, is the action of _______________. - perforin - lysozyme - complement - pyrogen
complement
What is the function of natural killer (NK) cells? - direct the activities of other immune cells - destroy any cancer-or virally infected cell - destroy grafted or transplanted tissues - act as antigen-presenting cells (APC's)
destroy any cancer-or virally infected cell
The process by which neutrophils are squeezed through the capillary walls during the inflammatory process is called ____________. - antibody production - agglutination - coagulation - diapedesis - chemotaxis
diapedesis
During an inflammatory response, histamine is released. This causes blood vessels to ______________ and pain receptors to be activated. - dilate - elongate - None of these answers is correct - constrict
dilate
Excess accumulation of fluid, which impairs the exchange of materials within the tissues, is called _____________. - shock - MALT (mucosa-associated lymphatic tissue) - edema - stroke
edema
All lymph flows in a one-way system toward the ____________. - pancreas - heart - liver - spleen
heart
Important in recruiting other cells to fight invaders, ________________ can be thought of as the "directors" or "managers" of the immune system - memory cells - regulatory T cells - cytotoxic T cells - helper T cells
helper T cells
What happens to the fluid filtered from the blood capillaries? - The spleen returns the fluid to the bloodstream - It is excreted in sweat - It becomes interstitial fluid, enters lymphatic vessels, and is returned to the bloodstream - It is excreted as urine.
It becomes interstitial fluid, enters lymphatic vessels, and is returned to the bloodstream
Which of the following events represents the body's third line of defense? - Natural killer (NK) cells releasing perforin - Complement creating a membrane attack complex - Neutrophils devouring foreign material - Adaptive response mediated by lymphocytes
Adaptive response mediated by lymphocytes
Which of these is NOT one of the three important aspects of the adaptive defense system? - It is systemic - It is the third line of defense - It has "memory" - It is antigen specific
It is the third line of defense
Where are the tonsils located? - small intestine - large intestine - left side of the abdominal cavity - throat (pharynx) - overlying the heart
throat (pharynx)
Which of the following lymphoid organs functions at peak level during youth? - Peyer's patches - spleen - thymus - lymph nodes - tonsils
thymus
The role of the ____________ is to trap and remove bacteria or other foreign pathogens entering the throat. - spleen - tonsils - lymph node - thymus
tonsils
What is the function of histamine? - triggers fever - triggers inflammatory response - activates complement - enzymatically destroys bacteria
triggers inflammatory response
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? - myasthenia gravis - Graves' disease - systemic lupus erythematosus (SLE) - multiple sclerosis - type 1 diabetes mellitus
type 1 diabetes mellitus
The injection of weakened pathogens to produce immunity is a(n) ______________. - naturally acquired immunity - vaccination - antigen - passive immunity
vaccination
Active immunity to tetanus, whooping cough, and polio can be artificially acquired when we receive ____________. - antivenom - serum - vaccines - antitoxin
vaccines
A(n) ___________ has four cardinal signs, including pain - secondary response - vaccine - primary response - inflammatory response
inflammatory response
The lymph nodes filter bacteria, viruses, and tumor cells from the blood on its way back to the hear. - True - False
False
What does fever accomplish? - Fever prevents the formation of complement fixation - Fever promotes cell lysis by direct cell attack - Fever enables macrophages to attack microorganisms - Fever inhibits bacteria reproduction and speeds the repair process - Fever prevents the spread of pathogens to adjacent tissues
Fever inhibits bacteria reproduction and speeds the repair process
What does fever accomplish? - Fever enables macrophages to attack microorganisms - Fever promotes cell lysis by direct cell attack - Fever inhibits bacterial reproduction and speeds the repair process - Fever prevents the formation of complement fixation - Fever prevents the spread of pathogens to adjacent tissues
Fever inhibits bacterial reproduction and speeds the repair process
Which statement is true of antibody IgE? - IgE can fix complement - IgE is mainly found in secretion such as tears and saliva - IgE is passed from mother to fetus during pregnancy - IgE is involved in allergies - IgE is the most abundant antibody in blood plasma
IgE is involved in allergies
Which of the following is NOT a lymphoid organ? - Appendix - Liver - Tonsils - Spleen
Liver
Found in the wall of the small intestine, __________ capture(s) and destroy(s) bacteria before they invade the intestinal wall. - the pancreas - the spleen - Peyer's patches - tonsils
Peyer's patches
Located in the wall of the small intestines - Tonsils - Thymus Gland - Peyer's patches - Spleen
Peyer's patches
Which of the following phrases best describe how the cells that form the walls of lymph capillaries aid in regulating interstitial fluid? - The ends are open like a straw - There are valves exactly like in veins - The lymph capillaries play no role in regulating interstitial fluid - The edges overlap, making a mini valve
The edges overlap, making a mini valve
How do phagocytic cells protect the body from the invading pathogens? - They activate complement proteins - They secrete interferon - They remove and destroy pathogens that breach the membrane barrier - They secrete antibodies into body fluids
They remove and destroy pathogens that breach the membrane barrier
Located overlying the heart - Tonsils - Thymus Gland - Peyer's patches - Spleen
Thymus Gland
Programs T lymphocytes during youth - Tonsils - Thymus Gland - Peyer's patches - Spleen
Thymus Gland
Traps and removes bacteria and pathogens entering the throat - Tonsils - Thymus Gland - Peyer's patches - Spleen
Tonsils
The substance produced by virus-infected cells that helps other cells resist viral infection is _______________. - complement - perforin - pyrogen - interferon
interferon
What inhibits viruses from entering and attacking healthy cells? - complement - keratin - interferons - pyrogens - membrane-attack complexes (MAC)
interferons
What tissue or organ filters lymph? - lymph node - spleen - tonsils - Peyer's patches
lymph node