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interstitial fluid contains or is:

found in the spaces between cells & becomes lymph when it enters lymph capillaries

what is the mediastinal t cell producer

thymus gland

nasopharyngeal lymph tissue:


abdominal organ that filters erythrocytes and activates lymphocytes?


interferons and interleukins are:

antiviral proteins produced by T cell lymphocyte

computerized x-ray imaging in the transverse plane:

CT scan

lumphocytes contained in the thymus gland that act on antigens are:


lymphocytes that transform into plasma cells and secret antibodies


an immune response in which B- cells transform into plasma cells and secrete antibodies is known as _____

humoral immunity

acquired immunity

production (formation) of antibodies and lymphocytes after exposure to an antigen,


Mass of lymphatic tissue in the nasopharynx


Substance that the body recognizes as foreign; evokes an immune response

axillary nodes

lymph nodes in the armpit


lymphocyte that originates in the bone marrow and transforms into a plasma cell to secrete antibodies

cervical nodes

lymph nodes in the neck region


proteins that aid and regulate the immune response. ( interferons and interleukins)

cytotoxic t cell

T lymphocyte that directly kills foreign cells

dendritic cell

specialized marophage that digests foreign cells and helps B and T cells to mark antigens for destruction.

helper cell

lymphocyte that aids b cells and cytotoxic t cells in recognizing antigens and stimulating antibody production. ( CD4+ cell or T4 cell

the ____ manufactures most blood cells

bone marrow

the spleen is composed of this material that also surrounds veins and arteries

lymph tissue

what is a malignant disease of the bone marrow in which excessive white blood cells are produced?


mediastinum codes are identified by which factor?

surgical approach

this type of lymphadenectomy is the removal of the lymph nodes, glands, and surrounding tissue:


the lymph node excision category codes are based on what two things?

method and location

how many catergories are located in the mediastinum subheading?


a diaphragmatic hernia is also known as an:

esophageal hiatal hernia

this bone marrow is taken from a close relative, so there is a genetic similarity


this bone marrow is collected from the patient and later transplanted or reinfused back into the patient from whom it came


what word describes a lymphadenectomy in which only the lymph nodes are removed?


what is it called when the diaphram is out of normal position and moved up into the thorasic cavity?


the traditional type of health insurance policy wherby the insurance company pays all or a portion of the fees for the services provided to the individual coverd by the policy is called:

fee for service (FFS)

insurance companies are referred to as:

third party payer

many americans obtain health insurance owing to their employment through what is commonly referred to as:

group insurance

what is coverage that includes treatment for long, high-cost illnesses or injuries referred to as?

major medical insurance

a combination of both basic and major medical insurance is called what?


an amount after which the insurance company will not pay any more of the charges incurred for one incident or in any one year os commonly called an:

insurance cap

the earliest and probably best known commercial insurer in this country is:

blue cross and blue shield

today, the "blue system" is the largest single processor of medicare claims, which is called a:

fiscal intermedary

a document prepared by the carrier that details of how a claim was adjudicated is called a


blue cross and blue shield claims must typically be filed how many days following the last date of service provided to the patient?


the federal act that sets minimum standerds for pension plans for private industry is:

(ERISA) employment retirement income security act

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