Exam 12 lymphatic
humoral immunity is provided by
antibodies
Which one of the following is NOT one of the nonspecific body defenses:
antibody production
Lymph is largely composed of water that has escaped from:
blood
where do B cells develop immunocompetence
bone marrow
a lymph node is indicated by letter
B
the thymus gland is indicated by letter
B
which of the following is not one of the four most common indicators of the inflammatory response
chills
what type of cell specializes in killing virus-infected, cancer, or foreign graft cells directly
cytotoxic T cells
process by which neutrophils squeeze through capillary walls in response to inflammatory signals is called
diapedesis
excess accumulations of fluid, which impair the exchange of materials within the tissues, is called ___
edema
Fluids that have escaped the cardiovascular system are picked up by the ________.
B) lymphatic system
lymphatic collecting vessels are indicated by letter
C
the spleen is indicated by letter
C
which of the following provides active immunity that is artificially acruired
vaccines
what is the region of the antibody that avries from antibody to antibody
variable or v region
what makes lymph capillaries different from blood capillaries
C. mini valves
the Peyer's patches are indicated by letter
D
blood capillaries are indicated by letter
E
what small proteins are secreted by virus-infected cells to help defend cells that have not yet been infected
interferons
the lymphoid tissues that trap and remove bacteria that enter the throat are indicated by letter
label A
the lymphoid organ that destroys worn-out blood cells is indicated by letter
label C
a lymph capillary is indicated by
label D
what mediates the adaptive defense system (specific defense system) ?
lymphocytes.
within the lymph node, what cells engulf and destroy bacteria, viruses, and other foreign substances in the lymph
macrophages
in the 1940's christine had the chicken pox
memory cells
due to a recent respiratory illness from a viral infection, Jennifer has now developed
naturally acquired active immunity
the process by which antibodies bind to specific sites on bacterial exotoxins (toxic chemicals secreted by bacteria) to block their harmful effects is called
neutralization
antibodies provided by serum from an immune donor or an animal donor do not challenge the B cells and thus provide
passive immunity
which of the following ar eharmful or disease caising microorganisms from which non specific defeneces protect the body
pathogens
How do plasma cells assist with humoral immunity?
plasma cells secrete highly-specific antibodies
what chemical do white blood cells and macrophages secrete to raise body temereture and induce fever
pyrogens
from what part of the body does the right lymphatic duct collects lymph
right arm
which of the following is least likely to provoke an immune response
self-antigens
what is the bodys first line of defense againsts the invasion of disease causing microorganisms
skin and mucous membranes
what lymphoid organ stores platelets and acts as a blood reservoir
spleen
the inflammatory process begins with release of chemicals, which do all of the following EXCEPT
stimulate the release of lysozyme.
which blood vessels receive lymph from the right lymphatic duct and the thoracic duct
subclavian veins
which one of the following is NOT a mechanism that aids lymph return to the heart?
the pumping action of the heart
while walking barefoot, maggie got cute
these symptoms indicate inflammatory response
which line of defense involves the recognition of specific antigens and actions to inactivate or destroy them
third line of defense
Where are the tonsils located:
throat, pharynx
which of the following lymphoid organs functions at peak level during youth
thymus
which of the following is not a lymphoid organ
thyroid gland
trap and remove bacteria and pathogens entering the throat
tonsils
the lymph duct is indicated by letter
A
the tonsils are indicated by letter
A
What does fever accomplish?
Fever inhibits bacteria reproduction and speeds the repair process.
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 ________.
MALT or mucosa-associated lymphatic tissue