Chapter Fourteen- Lymphatic & Immune

Question 1

acquire immunity

Answer 1

production of antibodies and lymphocytes after exposure to an antigen

Question 2

adenoids

Answer 2

mass of lymphatic tissue in the nasopharynx

Question 3

antibody

Answer 3

protein produced by B cell lymphocytes to destroy antigens

Question 4

antigen

Answer 4

substance that the body recognizes as forgein

Question 5

axillary nodes

Answer 5

lymph nodes in the arm pit

Question 6

B cell (B lymphocyte)

Answer 6

secretes antibodies

Question 7

cervical nodes

Answer 7

lymph nodes in the neck region

Question 8

complement system

Answer 8

proteins in the blood that help antibodies and T cells kill their target

Question 9

cytokines

Answer 9

proteins that aid and regulate the immune response; interferons & interleukins

Question 10

cytotoxic T cell

Answer 10

T cell that directly kills foreign cells

Question 11

dendritic cell

Answer 11

specialized macrophage that digest foreign cells and helps B and T cells mark antigens for destruction

Question 12

helper T cell

Answer 12

lymphocyte that aids B cells and cytotoxic T cells in recognizing antigens and stimulating antibody production; T4 cell

Question 13

immunity

Answer 13

the bodys natural ability to resist foreign organisms and toxins

Question 14

immunoglobins

Answer 14

antibodies such as IgA, IgE, IgG, IgM, and IgD that are secreted by plasma cells in response to the presence of an antigen

Question 15

immunotherapy

Answer 15

use of immune cells, antibodies, or vaccines to treat and prevent disease

Question 16

inguinal nodes

Answer 16

lymph nodes in the groin region

Question 17

interferons

Answer 17

proteins secreted by T cells to aid and regulate the immune response

Question 18

interleukins

Answer 18

proteins that stimulate the growth of B and T cells

Question 19

interstitial fluid

Answer 19

Fluid in the spaces between cells; becomes lymph when it enters lymph capillaries

Question 20

lymph

Answer 20

thin, watery fluid found within lymphatic vessels and collected from tissues throughout the body

Question 21

lymph capillaries

Answer 21

tiniest lymphatic vessels

Question 22

lymphoid organ

Answer 22

lymph nodes, spleen, and thymus gland

Question 23

lymph node

Answer 23

collection of stationary solid lymphatic tissue along lymph vessels

Question 24

lymph vessel

Answer 24

carrier of lymph throughout the body

Question 25

macrophage

Answer 25

large phagocyte found in lymph nodes

Question 26

mediastinal nodes

Answer 26

lymph nodes in the area between the lungs in the thoracic cavity

Question 27

monoclonal antibody

Answer 27

antibody produced in the laboratory to attack antigens and destroy cells

Question 28

natural immunity

Answer 28

protection that an individual inherits to fight infection

Question 29

plasma cell

Answer 29

lymphocyte that produces and secretes antibodies

Question 30

right lymphatic duct

Answer 30

large lymphatic vessel in the chest that receives lymph from the upper right part of the body

Question 31

spleen

Answer 31

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

Question 32

suppressor T cell

Answer 32

lymphocyte that inhibits the activity of B & T cells; Treg

Question 33

T cell (T lymphocyte)

Answer 33

matures in the thymus gland; acts directly on antigens to destroy them or produce chemicals toxic to them

Question 34

tolerance

Answer 34

ability of T cells to recognize and accept the body's own antigens as "self" friendly

Question 35

thoracic duct

Answer 35

large lymphatic vessel in the chest that receives lymph from below the diaphragm and from the left side of the body above the diaphragm

Question 36

thymus gland

Answer 36

organ in the mediastinum that conditions T cells to react to foreign cells

Question 37

tonsils

Answer 37

mass of lymphatic tissue in the back of the oropharynx

Question 38

toxin

Answer 38

poison

Question 39

vaccination

Answer 39

exposure of an individual to an antigen that provokes an immune response. the response will destroy any cell that possesses the antigen on it's surface and will protect against infection

Question 40

vaccine

Answer 40

weakened or killed microorganisms, toxins, or other proteins given to induce immunity to infection or disease

Question 41

immuno/o

Answer 41

protection

Question 42

lymph/o

Answer 42

lymph

Question 43

lymphaden/o

Answer 43

lymph node

Question 44

splen/o

Answer 44

spleen

Question 45

thym/o

Answer 45

thymus gland

Question 46

tox/o

Answer 46

poison

Question 47

ana-

Answer 47

again, anew

Question 48

inter-

Answer 48

between

Question 49

CD4+ cell count

Answer 49

measure the number of CD4+ T cells (helper T cells) in the bloodstream of patients with AIDS

Question 50

ELISA

Answer 50

screening test to detect anti-HIV antibodies in the bloodstream

Question 51

immunoelectrophoresis

Answer 51

test that separates immunoglobulins

Question 52

viral load test

Answer 52

measurement of the amount of AIDS virus (HIV) in the bloodstream