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Health Tech > Chapter Fourteen- Lymphatic & Immune > Flashcards

Chapter Fourteen- Lymphatic & Immune Flashcards

1
Q

acquire immunity

A

production of antibodies and lymphocytes after exposure to an antigen

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2
Q

adenoids

A

mass of lymphatic tissue in the nasopharynx

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3
Q

antibody

A

protein produced by B cell lymphocytes to destroy antigens

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4
Q

antigen

A

substance that the body recognizes as forgein

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5
Q

axillary nodes

A

lymph nodes in the arm pit

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6
Q

B cell (B lymphocyte)

A

secretes antibodies

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7
Q

cervical nodes

A

lymph nodes in the neck region

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8
Q

complement system

A

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

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9
Q

cytokines

A

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

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10
Q

cytotoxic T cell

A

T cell that directly kills foreign cells

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11
Q

dendritic cell

A

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

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12
Q

helper T cell

A

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

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13
Q

immunity

A

the bodys natural ability to resist foreign organisms and toxins

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14
Q

immunoglobins

A

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

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15
Q

immunotherapy

A

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

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16
Q

inguinal nodes

A

lymph nodes in the groin region

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17
Q

interferons

A

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

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18
Q

interleukins

A

proteins that stimulate the growth of B and T cells

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19
Q

interstitial fluid

A

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

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20
Q

lymph

A

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

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21
Q

lymph capillaries

A

tiniest lymphatic vessels

22
Q

lymphoid organ

A

lymph nodes, spleen, and thymus gland

23
Q

lymph node

A

collection of stationary solid lymphatic tissue along lymph vessels

24
Q

lymph vessel

A

carrier of lymph throughout the body

25
Q

macrophage

A

large phagocyte found in lymph nodes

26
Q

mediastinal nodes

A

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

27
Q

monoclonal antibody

A

antibody produced in the laboratory to attack antigens and destroy cells

28
Q

natural immunity

A

protection that an individual inherits to fight infection

29
Q

plasma cell

A

lymphocyte that produces and secretes antibodies

30
Q

right lymphatic duct

A

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

31
Q

spleen

A

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

32
Q

suppressor T cell

A

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

33
Q

T cell (T lymphocyte)

A

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

34
Q

tolerance

A

ability of T cells to recognize and accept the body’s own antigens as “self” friendly

35
Q

thoracic duct

A

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

36
Q

thymus gland

A

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

37
Q

tonsils

A

mass of lymphatic tissue in the back of the oropharynx

38
Q

toxin

A

poison

39
Q

vaccination

A

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

40
Q

vaccine

A

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

41
Q

immuno/o

A

protection

42
Q

lymph/o

A

lymph

43
Q

lymphaden/o

A

lymph node

44
Q

splen/o

A

spleen

45
Q

thym/o

A

thymus gland

46
Q

tox/o

A

poison

47
Q

ana-

A

again, anew

48
Q

inter-

A

between

49
Q

CD4+ cell count

A

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

50
Q

ELISA

A

screening test to detect anti-HIV antibodies in the bloodstream

51
Q

immunoelectrophoresis

A

test that separates immunoglobulins

52
Q

viral load test

A

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

Health Tech (23 decks)

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