Create an account
they lymphatic system is a: a) two-way system that transports lymph to and from the heart b) two-way system that transports lymph to and from lungs c) one-way system that transports lymph away from the heart to the to the tissues d) one-way system that transports lymph towards the heart e) multidirectional system, depending on the tissue it serves
flap-like valves at the ends of lymphatic vessels open when: a) interstitial tissue pressure is higher than lymphatic pressure b) lymphatic pressure is higher that interstitial tissue pressure c) sympathetic nervous system is firing d) parasympathetic nervous system is firing e) chordae tendinae contract
which of the following is NOT found in lymph: a) water b) cell debris c) bacterial cells d) plasma proteins e) keratin
MALT is the study of the lymphatic system stands for: a) mouse-antigenic lymphoid tissue b) mouse-antibody lymphoid tissue c) mucosa-associated lymphatic tissue d) mucosa-antigenic lymphocytic T-cell e) mucosa-antibody leukocytic tissue
which of the following is an example of a first line of defense when a person's hand comes into contact with a contaminated nail? a) plasma cells become B cells b) B cells become plasma cells c) acidic secretion from the skin kills bacteria d) cytotoxic T cells kill infected cells e) neutrophils are attracted to point of contact by chemotaxis
the redness and heat that occurs during an inflammatory response is due to: a) the presence of carotenoid pigments b) increased blood flow to the region c) increase in thermostat set point d) the formation of antibodies at site of injury e) increased production of melanin
Which of the following cell types is a lymphocyte: a) macrophage b) histamine c) fibrin d) neutrophil e) cytotoxic T cell
antibodies are the essential players of: a) Humoral immunity b) cell-mediated immunity c) complement fixation d) surface membrane barriers e) phagocytosis
in the humoral response, clonal selection means: a) generating a clone of a human being b) the formation of a group of identical B lymphocytes c) the formation of a group of identical macrophages d) selecting antibodies for research purposes e) selecting the appropriate chains to make an antibody
Which of the following is NOT true about antibodies: a) they are produced by plasma cells b) hey bind to and inactivate their specific antigens c) they have one light chain and one heavy chain per molecule d) they are also known as immunoglobulins e) they are protein in nature
pus contains all of the following except: a) broken down tissue cells b) dead pathogens c) monoclonal antibodies d) living pathogens e) dead or dying neutrophils
which part of the antibody molecule is responsible for specific antigen-binding? a) disulfide bonds b) constant region of the light chains only c) constant regions of both heavy and light chains d) variable regions of light chains only e) variable regions of both heavy and light chains
the transplant of pig liver into a human being would be an example of a/an: a) autograft b) isograft c) allograft d) xenograft e) exograft
a person who has T lymphocytes that are incompetent in distinguishing between self and non-self would likely suffer from: a) immunodeficient b) AIDS c) chronic anaphylactic shock d) an autoimmune disease e) complement fixation
which of the following correctly describes the function of helper T cells? a) stimulates the formation of cytotoxic T cells b) produces antibodies c) engulfs bacteria d) suppresses the immune response e) presents foreign antigen on its surface
which of the following correctly describes the function of macrophages: a) produces antibodies b) fixes complement c) "remembers" an antigen-antibody agglutination d) precipitates foreign particles after antigen-antibody agglutination e) engulfs foreign particles and presents their antigens on the cell surface
the biological name for the antibody molecule is: a) hemoglobin b) immunoglobulin c) interferons d) lymphokines e) kinins
a secondary humoral response usually progresses ____________ the primary humoral response: a) at the same rate as b) slower than c) faster than d) less efficiently than e) in more non-specific manner than
B lymphocytes become immunocompetent in the: a) bone marrow b) thymus c) spleen d) blood plasma e) tonsils
the passing of the mother's antibodies via the placenta to the fetus is an example of: a) natural active immunity b) artificial active immunity c) natural passive immunity d) artificial passive immunity e) natural immunosuppression
in which of the following cases is immunological memory likely to occur? a) a person gets an injection of IgG b) a baby feeds on her mother's breast milk c) stomach acid kills bacteria from the food ingested d) a person eats animal products containing antibiotics e) a person recovers from chicken pox
Which of the following diseases is likely the result of an autoimmune disorder? a) arteriosclerosis b) rheumatoid arthritis c) AIDS d) SCID (severe-combined immunodeficiency disease) e) anaphylactic shock
The main function of suppressor T cells is to suppress: a) bacterial cell division b) viral replication c) the action of macrophages d) T and B cell activity e) hematopoiesis
Which of the following correctly distinguishes T cells from B cells: a) T cells do NOT bind to free antigens b) T cells only bind to free agents c) T cells produce antibodies d) T cells do NOT form memory cells e) T cells are formed in the thymus
the _______ returns lymph fluid from the left side of the head and neck as well as the chest, abdomen, and lower extremities to the left subclavian vein
lymph moves along the lymphatic vessels with the aid of the milking action of _______.
phagocytes are attracted to the site of injury by certain chemicals. this phenomenon is known as _______
tears contain enzymes known as _________, which have the ability to digest bacterial cells
_______ are cells that engulf foreign particles or bacteria found in the respiratory tract
small proteins secreted by virus-infected cells to help defend cells not yet infected are called _______.
when anaphylactic shock occurs, _______ is the drug of choice to reverse the histamine-mediated effects
a _______ contains dead or attenuated pathogens and is injected into a person to generate active immunity
(t/f) the inflammatory response is part of the specific body defenses triggered whenever body tissues are injured
(t/f) an antibody is any substance capable of exciting our immune system and provoking an immune response
(t/f) bacterial or viral infection is the most frequent cause of death in patients undergoing immunosuppressive therapy
(t/f) complement refers to a group of at least 20 plasma proteins that circulate in the blood in an inactive state
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together