MEDTERM UNIT 14 quizlet

_____ are chemical messengers secreted by T cells that aid cells to kill antigens. The ability of lymphocytes to recognize and accept the body’s own antigens as not foreign is called.

tolerance

the organ near the stomach that produces, stores, and eliminates blood cells is the

spleen

the combining form lymph/o means

lymph

_____ are chemical messengers secreted by T cells that aid cells to kill antigens

cytokines

KS is the abbreviation for

kaposi sarcoma

MoAb is the abbreviation for

monoclonal antibody

IgM is the abbreviation for

immunoglobulin M

RTI is the abbreviation for

reverse transcriptase inhibitor

____megaly is enlargement of the spleen

spleno

____ectomy means the removal of the thymus gland

thym

____oma is a malignant tumor of lymph nodes and lymphatic tissue

lymph

lymph vessels empty into two large ducts called the

thoracic duct and right lymphatic duct

the lymphatic system function to do all of the following except…

a. act as a drainage system to transport proteins and leaked fluids back to the bloodstream

b. absorb lipids from the small intestine and transport them to the bloodstream

c. defend the body against foreign organisms such as bacteria and viruses

d. transport oxygen to capillaries from the bloodstream

d. transport oxygen to capillaries from the bloodstream

phagocytes that clear away dead cells and debris as an infection subsides are called

macrophages

the human immunodeficiency virus (HIV) disrupts

cell-mediated immunity (T cell lymphocytes)

examples of this type of disorder and large cell lymphoma

non-hodgkin disease

nasopharyngeal lymph tissue is called the

adenoids

the collection of interstitial fluid within the spaces between cells due to obstruction of lymph vessels and nodes is

lymphedema

the organ located in the upper mediastinum that plays an important role in immunity, especially during fetal life and the early years of growth, is the

thymus

HIV is

the virus that causes AIDS

the laboratory test used to detect and differentiate abnormal levels of specific antibodies is

immunoelectrophoresis

the ELISA laboratory test is used to

detect the presence of HIV antibodies

the correct term for removal of the spleen is

splenectomy

fluid transported by the lymphatic vessels is called

lymph

what do hay fever, anaphylactic shock, and hives have in common?

they are hypersensitivity reactions

this fluid becomes lymph when it enters lymph capillaries

interstitial

the organ near the stomach that produces, stores, and eliminates blood cells is the

spleen

a collection of stationary lymph tissue in the groin region is known as the

inguinal nodes

stationary lymph tissues along lymph vessels are called

lymph nodes

masses of lymph tissues in the back of the oropharynx are the

tonsils

the lymph nodes, spleen, and thymus gland are collectively known as the

lymphoid organs

the collection of stationary lymph tissue in the neck region is known as the

cervical nodes

lymphocytes that transform into plasma cells and secrete antibodies are

b cells

T cells that directly kill foreign cells are

cytotoxic T cells

T cells that aid B cells in recognizing antigens and stimulating antibody production are

Helper T cells

which test measures the number of helper T cells in the bloodstream of patients with AIDS?

CD4 lymphocyte count

proteins in the blood that help antibodies and T cells kill their targets are called the

complement system

what does ELISA stand for?

enzyme-linked-immunosorbent assay

a lymphoma of unknown origin characterized by progressive enlargement of lymphoid tissue and symptoms of fever, weakness, night sweats, and weight loss is

Hodgkin disease

Hodgkin disease is often diagnosed by finding the _____ cell in the lymph nodes

Reed-Sternberg cells