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Anatomy Exam #3 > Chapter 23 : Blood vessels > Flashcards

Chapter 23 : Blood vessels Flashcards

0
Q

what to arteries do?

A

carry blood away from the heart

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1
Q

what are the three types of blood vessels ?

A

Arteries
Veins
Capillaries

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2
Q

what do veins do?

A

carry blood toward the heart

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3
Q

what do capillaries do?

A

bridge arteries and veins; allows diffusion between blood and body tissues

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4
Q

what happens to valves when blood starts going in the wrong direction?

A

they close

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5
Q

how many layers make up vessel walls? what are they?

A

3
tunica intima with endothelium and connective tissue
tunica media
tunica externa

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6
Q

what do veins have that arteries do not?

A

valves

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7
Q

what layer in veins and arteries is smooth muscle?

A

tunica media

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8
Q

__ is empty space that is filled with blood.

A

lumen

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9
Q

what helps direct blood in the right direction in veins?

A

valves

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10
Q

what kind of tissue id the endothelium of tunica intima made of?

A

simple squamous epithelial tissue

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11
Q

__ can change the diameter of blood vessels

A

tunica media

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12
Q

what are the three types of arteries?

A
  1. elastic artery
  2. muscular artery
  3. arteriole
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13
Q

what are the three types of veins?

A
  1. large vein
  2. medium vein
  3. venule
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14
Q

what are elastic arteries composed of?

A
  1. tunica externa
  2. tunica media
  3. tunica interna (internal elastic layer and endothelium)
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15
Q

what are muscular arteries composed of?

A
  1. tunica externa
  2. tunica media
  3. tunica intima (with endothelium)
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16
Q

what are arterioles composed of?

A
  1. tunica media (smooth muscle)
  2. basal lamina
  3. endothelium
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17
Q

what are the smallest arteries in the body?

A

arterioles

18
Q

what type of artery has an extra elastic tissue layer due to the pressure being placed on it

A

elastic artery

19
Q

what are the components of large veins

A
  1. tunica externa
  2. tunica media
  3. tunica intima (with endothelium)
20
Q

what components make up medium-sized veins?

A
  1. tunica externa
  2. tunica media
  3. tunica intima (with endothelium)
21
Q

what components makes up venules?

A
  1. tunica externa

2. endothelium

22
Q

what disease is characterized by changes in vessel wall primarily due to the buildup of fatty deposits called plaque?

A

Atherosclerosis

23
Q

what are between arteries and veins?

A

capillaries

24
Q

__ is a net work of interconnected capillary vessels that lies bt an arteriole and a venule.

A

capillary bed

25
Q

t/f blood flow through a capillary bed is dynamic

A

T

26
Q

flow through a capillary bed can be altered by what?

A

upon the need of the tissue

27
Q

what controls blood flow in capillaries?

A

sphincters

28
Q

what are sphinctors?

A

small, circular smooth muscle

29
Q

where in your body does “give and take” occure?

A

capillaries

30
Q

what items cross the walls of the capillaries?

A
  1. gases (O2, CO2)
  2. nutrients (glucose, amino acids)
  3. Fluid (water)
  4. electrolytes
  5. wastes
31
Q

where does the common hepatic artery go to?

A

liver

32
Q

where does the superior mesenteric artery go to?

A

small intestine

33
Q

where does the colic artery go to?

A

large intestine

34
Q

where does the inferior mesenteric artery go to?

A

large intestine

35
Q

The left external jugular vein, L vertebral vein, and L internal jugular vein all lead into what Vein?

A

L subclavian vein

36
Q

Name the dural viens.

A
  1. superior sagittal sinus
  2. inferior sagittal sinus
  3. straight sinus
  4. cavernous sinus
  5. transverses sinus
  6. sigmoid sinus
  7. petrosal sinus
37
Q

What vein do some people have one of while others have two of them?

A

brachial vein

38
Q

what vein would you take blood from?

A

medial cubital vein

39
Q

what group of veins drains the liver?

A

hepatic veins

40
Q

what system takes blood to the liver instead of the inferior vena cava?

A

hepatic portal system

41
Q

What two veins in the legs can you use to differentiate bt veins and arteries on the test?

A

Great saphenous vein

small saphenous vein

42
Q

what are the steps of pulmonary circulation?

A

R atrium > R ventricle > pulmonary trunk > pulmonary arteries > lungs > capillaries > pulmonary veins > L atrium > L ventricle > body and repeat

Anatomy Exam #3 (4 decks)

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