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Anatomy > Blood Vessels > Flashcards

Blood Vessels Flashcards

0
Q

Bulky middle coat, containing smooth muscle and elastin

A

Tunica media

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1
Q

Single thin layer of endothelium

A

Tunica intima

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2
Q

Provides a smooth surface to decrease resistance to blood flow

A

Tunica intima

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3
Q

The only tunic of capillaries

A

Tunica intima

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4
Q

Also called the adventitia

A

Tunica externa

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5
Q

The only tunic that plays an active role in blood pressure regulation

A

Tunica media

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6
Q

Supporting, protective coat

A

Tunica externa

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7
Q

Why are valves present in veins but not arteries?

A

Veins have to fight gravity to return blood to the heart, while arteries don’t have to fight gravity

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8
Q

First artery that branches off the ascending aorta; serves the heart

A

Coronary

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9
Q

Largest artery of the body

A

Aorta

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10
Q

Artery that serves the posterior calf

A

Posterior tibial

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11
Q

Artery that supplies the diaphragm

A

Phrenic

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12
Q

Artery that splits to form the radial and ulnar arteries

A

Brachial

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13
Q

Artery generally used to determine blood pressure in the arm

A

Brachial

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14
Q

Artery that supplies the last half of the large intestine

A

Inferior mesenteric

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15
Q

External iliac becomes this artery on entering the thigh

A

Femoral

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16
Q

Artery that supplies most of the small intestine

A

Superior mesenteric

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17
Q

Artery in the armpit that serves the arm

A

Axillary

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18
Q

Artery that has three major branches off the aorta, which serve the liver, spleen, and stomach

A

Celiac trunk

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19
Q

Artery serving the tissues external to the skull

A

External carotid

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20
Q

Artery serving the brain

A

Internal carotid

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21
Q

Artery generally used to feel the pulse

A

Radial

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22
Q

Artery that serves the liver

A

Hepatic

23
Q

Artery that serves the kidney

A

Renal

24
Q

Artery in the thumb side of your forearm

A

Radial

25
Q

Artery on the pinky side of your forearm

A

Ulnar

26
Q

Vein that receives blood from the arm via the axillary vein

A

Subclavian

27
Q

Vein that drains the kidney

A

Renal

28
Q

Vein that drains the liver

A

Hepatic

29
Q

Longest superficial vein of the body; found in the leg

A

Great saphenous

30
Q

Deep vein of the thigh

A

Femoral

31
Q

Vein that is formed by the union of the external and internal iliac veins

A

Common iliac

32
Q

Vein that drains the stomach

A

Gastric

33
Q

Vein that drains the brain

A

Internal jugular

34
Q

Veins that lie under the skin and are easily seen

A

Superficial

35
Q

Veins that run along the side of arteries

A

Deep

36
Q

Vein that drains extracranial tissues

A

Vertebral

37
Q

Vein that drains blood from scalp, facial muscles

A

Temporal

38
Q

Central cavity of a blood vessel

A

Lumen

39
Q

Reduction of the diameter of the lumen

A

Vasoconstriction

40
Q

Enlargement of the diameter of the lumen

A

Vasodilation

41
Q

Blood is carried to the heart by

A

Veins

42
Q

Blood is carried away from the heart by

A

Arteries

43
Q

Capillary beds are supplied by

A

Arterioles

44
Q

Capillary beds are drained by

A

Venules

45
Q

Cold has a _______ effect

A

Vasoconstricting

46
Q

The pulmonary circulation is a _____ pressure circulation

A

Low

47
Q

Why is hypertension a silent killer?

A

There are typically no symptoms

48
Q

Expansion and recoil of an artery during heart activity

A

Pulse

49
Q

Pressure exerted by the blood against the blood vessel walls

A

Blood pressure

50
Q

Factors related to blood pressure

A

Cardiac output

Peripheral resistance

51
Q

Event primarily responsible for peripheral resistance

A

Constriction of arterioles

52
Q

Blood pressure during heart contraction

A

Systolic blood pressure

53
Q

Blood pressure during heart relaxation

A

Diastolic blood pressure

54
Q

Site where blood pressure determinations are normally made

A

Over arteries

55
Q

Points at the body surface where the pulse may be felt

A

Pressure points

56
Q

Sounds heard over a blood vessel when the vessel is partially compressed

A

Sounds of Korotkoff

Anatomy (19 decks)

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