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DEN 7109 > Lec 9/16 > Flashcards

Lec 9/16 Flashcards

1
Q

what is vascular system composed of?

A

cardiovascular system & lymphatic system

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2
Q

what is cardiovascular system composed of ?

A

heart, blood vessels, boold

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3
Q

what is lymphatic system composed of ?

A

lymph tissue/nodes
lymph vessels
lymph

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4
Q

what is blood composed of?

A

liquid plasma+formed elements

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5
Q

what are formed elements?

A

erythrocytes, leukocytes, thrombocytes(platelets)

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6
Q

what are 3 major types of vessels?

A

arteries, veins, capilaries

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7
Q

what are 3 layers of blood vessel?

A

tunica intima, tunica media, tunica, adventitia

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8
Q

major arteries of human body

A

aorta, brachiocephalic, carotid, subclavian, axillary, brachial, radial, ulnar, common iliac, internal iliac, external iliac

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9
Q

what are structures help veins w/ circulation of blood?

A

valves, skeletal muscles, pressure changes in the thorax

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10
Q

why do veins need help w/ circulation of blood?

A

because veins have thin smooth muscle in vessel

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11
Q

what are majors veins of human body?

A

superior vena cava, right and left brachiocephalic, internal and external jugular, subclavian, axillary, cephalic, basilic, azygos, hemiazygos, inferior vena cava, common iliac, internal iliac, external iliac

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12
Q

what is anastomose?

A

connection of blood vessels

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13
Q

what are EX of anastomose?

A

capillaries, arteriovenous, arterial

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14
Q

why dont arteries have valves?

A

cuz flow can be bidirectional, and follow a pressure graident

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15
Q

where are bypassing capillary beds found?

A

skin, mucosa, organsm glands

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16
Q

what is end artery?

A

artery that does not anastomose w/ other arteries

17
Q

what are EX of end arteries?

A

central artery of the retina, splenic artery, proper hepatic artery

18
Q

what is lymphatic system composed of?

A

bone, thymus, spleen, lymph nodes, tonsils,mucosa associated lymphatic tissue

19
Q

what are cells of lymphatic system?

A

Tcell and Bcell

20
Q

what are characteristics of Tcell?

A
  • manage immune response
  • attack and destroy foreign cells
  • mature in thymus
21
Q

what are characteristics of B cell?

A

-produce plasma cells which secrete antibodies
-antibodies immobilize antigens
mature in bone marrow

22
Q

what are characteristics of lymphatic collecting vessels?

A
  • have same 3 tunics as veins
  • have thinner walls, more internal valves
  • anastomose more frequently
  • collecting vessels in skin travel w/ superficial veins
  • deep vessels travel w/ arteries
  • nutrients are supplied from branching vasa vasorum
23
Q

where does thoracic duct go into?

A

left subclavian veins

24
Q

where does right lymphatic duct go into?

A

right subclavian vein

25
Q

when lymph nodes become inflamed, swollen, tender to touch, what is it called?

A

buboes

DEN 7109 (8 decks)

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