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Anatomy and Physiology > Blood Vessels > Flashcards

Blood Vessels Flashcards

1
Q

What are venues?

A

The tinniest veins

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2
Q

What are the three physical characteristics of arteries?

A
  1. Thick-walled 2. Elastic 3. Smooth muscle
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3
Q

Do you feel your pulse in your arteries or veins?

A

Arteries

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4
Q

Do arteries or veins have valves?

A

Veins

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5
Q

What has blood reservoirs?

A

Veins

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6
Q

What percent of blood volume are in blood reservoirs?

A

60-70%

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7
Q

What is the major site of peripheral resistance which affects blood pressure/

A

Arterioles

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8
Q

Do arterioles respond to SNS or PNS?

A

Primarily sympathetic innervation

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9
Q

Do arterioles respond to ANS?

A

Yes

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10
Q

What veins have little to no smooth muscle?

A

Venules

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11
Q

What is a another name for arterioles?

A

Resistance vessels

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12
Q

What are capillaries?

A

The body’s exchange vessels which allow for diffusion/filtration of nutrients/waste between blood and tissue cells.

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13
Q

What makes up the wall of capillaries?

A

simple squamous epithelium

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14
Q

Are capillaries microscopic?

A

Yes

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15
Q

What is the flow of capillaries regulated by?

A

Precapillary sphincters

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16
Q

Is the aorta ascending or descending?

A

Ascending

17
Q

How many coronary arteries are there?

A

2

18
Q

What are the three main functions of the coronary arteries?

A
  1. Supply oxygenated blood to myocardium 2. First 2 branches off aorta (ascending aorta) 3. Fill with blood during ventricular relaxation
19
Q

What is the order of coronary circulation? (5 steps)

A

L&R coronary arteries > capillary beds > cardiac veins > coronary sinus (vein) > Right atrium

20
Q

What is the circle of Willis?

A

Arterial anastomosis at base of brain

21
Q

What are three superficial veins of the arms?

A
  1. Basilic 2 Cephalic 3. Median cubital
22
Q

Portal veins carry blood into the liver from where?

A
  1. Splenic v. 2. gastric v. 3. Superior mesenteric v. 4. Inferior mesenteric v.
23
Q

What is the function of the hepatic portal system?

A

Carries blood from abdominal viscera to liver to be detoxified and modified before returning it to general circulation.

24
Q

What are are Kupffer cells?

A

A phagocytic cell that forms the lining of the sinusoids of the liver and is involved in the breakdown of red blood cells.

25
Q

What is the hepatic portal circulation? (4 steps)

A

Portal vein > Liver (sinusfoids) > hepatic veins > inferior vena cava

26
Q
  1. Aoritic arch 2. Brachiocephalic 3. Right common carotid 4. Right subclavian 5. Left common carotid 6. Left subclavian
A

Go back and study the damn picture more.

27
Q
A

Go back and look at the picture more.

28
Q
A

Go back and study the picture.

29
Q
A

You know you should study the picture more.

Anatomy and Physiology (8 decks)

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