vessels that filters lymph and houses immune cells.
What is the thoracic duct? -correct answersA large lympha c vessel that drains lymph from the
lower and le side of the body into the bloodstream.
What is the spleen? -correct answersAn organ in the le upper quadrant of the abdomen that
destroys worn-out erythrocytes, ac vates lymphocytes, and stores blood.
What is the adenoid? -correct answersA mass of lympha c ssue located in the nasopharynx
that helps protect against pathogens.
What is the thymus? -correct answersA lymphoid organ in the medias num that condi ons T
cells to react to foreign cells in the immune response.
What are lympha c capillaries? -correct answersThe niest lympha c vessels that collect excess
inters al fluid and transport it to larger lympha c vessels.
What is the right lympha c duct? -correct answersA large lympha c vessel in the chest that
drains lymph from the upper right part of the body.
What is inters al fluid? -correct answersFluid in the spaces between cells that provides
nutrients and removes waste.
,Cytotoxic T cells -correct answersA type of T cell that directly kills foreign cells, such as infected
or cancerous cells.
Lymphocytes that directly act on an gens -correct answersThese are T cells, specifically helper T
cells and cytotoxic T cells, which recognize and respond to an gens.
CD4 + T cells -correct answersA type of helper T cell that is crucial for the immune response and
is deficient in people with AIDS.
Lymphocytes that mature into plasma cells -correct answersThese are B cells, which
differen ate into plasma cells that secrete an bodies.
Type of immunity where B cells produce an bodies a er exposure to an gens -correct
answersThis is known as humoral immunity.
Type of immunity that recognizes and remembers specific an gens -correct answersThis is
referred to as adap ve immunity.
What is a plasma cell? -correct answersA lymphocyte that matures from a B lymphocyte and
secretes an bodies.
What is a macrophage? -correct answersA large phagocyte found in lymph nodes and other
ssues of the body.
What is a helper T cell? -correct answersA CD4+ T cell that aids B cells in recognizing an gens.
What is a regulatory T cell (Treg)? -correct answersA T cell that inhibits the ac vity of B and T
lymphocytes.
,What are complement proteins? -correct answersProteins in the blood that help an bodies and
T cells kill their target.
What is an an gen-presen ng cell? -correct answersA cell that shows B cells and T cells what to
a ack.
Immunoglobulins -correct answersProteins produced by plasma cells that func on as an bodies
to iden fy and neutralize foreign objects like bacteria and viruses.
Toxins -correct answersPoisonous substances produced by living cells or organisms that can
cause disease or harm to other organisms.
Helper T cells -correct answersA type of T cell that plays a crucial role in the immune response
by ac va ng other immune cells, including B cells and cytotoxic T cells.
Suppressor T cells -correct answersAlso known as regulatory T cells, these cells help regulate
and suppress the immune response to maintain homeostasis and prevent autoimmune
diseases.
Cytotoxic T cells -correct answersA type of T cell that directly kills infected or cancerous cells by
recognizing specific an gens presented on their surfaces.
Plasma cells -correct answersDifferen ated B cells that produce and secrete large volumes of
an bodies in response to an an gen.
Interferons and interleukins -correct answersTypes of cytokines; interferons are proteins that
help cells resist viral infec ons, while interleukins are involved in communica on between white
blood cells to regulate immune responses.
, Removal of the spleen -correct answersThe surgical procedure known as splenectomy, which
involves the removal of the spleen.
Enlargement of the spleen -correct answersA condi on known as splenomegaly, where the
spleen becomes larger than normal.
Forma on of lymph -correct answersThe process by which inters al fluid is collected and
transformed into lymph, which is a fluid that circulates in the lympha c system.
Tumor of the thymus gland -correct answersA growth or neoplasm in the thymus gland, which
can be benign or malignant, o en referred to as thymoma.
Inflamma on of lymph glands (nodes) -correct answersA condi on known as lymphadeni s,
characterized by swelling and tenderness of the lymph nodes due to infec on or other causes.
Deficiency of lymph cells -correct answersA condi on known as lymphopenia, which is
characterized by a lower than normal number of lymphocytes in the blood.
Pertaining to poison -correct answersThe term 'toxic' refers to substances that are harmful or
lethal to living organisms.
Disease of lymph glands (nodes) -correct answersA condi on affec ng the lymph nodes, o en
referred to as lymphadenopathy, which can indicate infec on, malignancy, or other diseases.
What is Kaposi's Sarcoma? -correct answersA malignant condi on associated with AIDS
characterized by purplish skin nodules.
What is HIV? -correct answersHuman Immunodeficiency Virus; the retrovirus that causes AIDS.