Mt Ch. 6-Lymphatic & Immune Flashcards

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1
Q

what does the lymphatic system consist of?

A

lymphatic vessels, lymph nodes, spleen, thymus gland, and tonsils

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2
Q

lymph

A

tissue fluid inside a lymphatic vessel

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3
Q

lymphatic system function

A

collect excess tissue fluid throughout the body and return it to the circulatory system; works with immune system to form groups of cells, tissues, organs, and molecules that are primary defense against pathogens

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4
Q

lacteals

A

lymph vessels around the small intestines

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5
Q

lymphatic vessels

A

extensive network of ducts throughout the body; one way pipes transporting lymph from tissues toward thoracic cavity

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6
Q

lymphatic capillaries

A

beginning of lymphatic vessels; located in tissues. tissue fluid enters here to begin trip back to circulatory system

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7
Q

valves

A

ensure that lymph only moves forward once the capillaries merge into larger lymphatic vessels

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8
Q

lymphatic ducts

A

right and thoracic; where those larger vessels drain into

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9
Q

right lymphatic duct

A

smaller, drains the right arm and right side of the head, neck, and chest. empties lymph into right subclavian vein

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10
Q

thoracic duct

A

larger, drains lymph from the rest of the body and empies into the left subclavian vein

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11
Q

immunoglobulins

A

antibodies secreted by B cells. all antibodies are considered this and help protect the body and surfaces from invasion of bacteria

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12
Q

lymphedema

A

edema appearing in the extremities due to obstruction of lymph flow through lymphatic vessels

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13
Q

splenomegaly

A

enlarged spleen

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14
Q

anaphylactic shock

A

life-threatening condition resulting in a severe allergic reaction. circulatory and respiratory problems occur

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15
Q

tonsillitis

A

inflammation of the tonsils

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16
Q

sarcoidosis

A

disease of unknown cause that forms fibrous lesions, commonly in lymph nodes, liver, skin, lungs, spleen, eyes, and small hand and foot bones

17
Q

tonsillectomy

A

surgical removal of the tonsils

18
Q

antihistamine

A

blocks effects of histamine released by body during allergic reaction
Zyrtec, Benadryl, cetirizine, diphenhydramine

19
Q

corticosteroids

A

hormone produced by adrenal cortex that has very strong anti-inflammatory properties, useful in treating autoimmune diseases
prednisone, Solu-Medrol, methylprednisolone