Lymphatic System
Antibodies provided by serum from an immune donor or an animal donor do not challenge the B cells and thus provide ________.
passive immunity
How do plasma cells assist with humoral immunity?
plasma cells secrete highly-specific antibodies
what substance is not likely to trigger the immune response
self-antigens
What is the body's first line of defense against the invasion of disease-causing microorganisms?
skin and mucous membranes
What lymphoid organ stores platelets and acts as a blood reservoir?
spleen
Which lymphatic organ's major job is to destroy worn-out red blood cells and return some of the products to the liver:
spleen
what is not a nonspecific body defense
the antibody production
What are T lymphocytes and B lymphocytes self tolerant of
the body's own cells
What part of the adaptive defenses do the T cells constitute
the cell mediated arm
what is not a mechanism that aids lymph return to the heart
the pumping action of the heart
active immunity to tetanus, whooping cough, and polio can be artificially acquired when we receive...
vaccines
what is the origin of lymphatic vessels
veins of the blood vascular system
what is not a cell that behaves as an antigen presenting cell
virus
What does fever accomplish?
Fever inhibits bacteria reproduction and speeds the repair process.
antigen presentation is essential for the activation and clonal selection of
T cells
antigen presenting cells present fragments of cells so they can be recognized by
T cells
redness, heat, swelling, pain are the four most indicators of
acute inflammation
humoral immunity is provided by
antibodies
Lymph is largely composed of water that has escaped from
blood
what type of cell specializes in killing virus infected, cancer, or foreign graft cells directly
cytotoxic T cells
excess accumulation of fluid, which impairs the exchange of materials within the tissue, is called
edema
all lymph flows in a one way system toward the
heart
what type of T cell releases cytokines to indirectly rid the body of antigens
helper T cells
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
immunocompetent
what mediates the adaptive defense system
lymphocytes
within a lymph node, what cell engulf and destroy bacteria, viruses, and other foreign substances in the lymph
macrophages
Due to a recent respiratory illness from a viral infection , Jennifer has now developed ________.
naturally acquired active immunity
the specific foreign substances that an individuals immune system has the ability to recognize and resist are determined by
individual genetic makeup
what inhibits viruses from entering and attacking healthy cells
interferon
Adaptive (specific) defense system
issues an attack specific to particular foreign substances
Bacteria and tumor cells are removed from lymph by ________.
lymph nodes
fluids that have escaped the cardiovascular system are picked up by the
lymphatic system
