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CVT 111 Vascular Physiology & Pathophysiology > Vascular Anatomy > Flashcards

Vascular Anatomy Flashcards

1
Q

What is the purpose of circulation?

A
  1. Exchange of nutrients and waste.

2. Oxygen Delivery

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2
Q

What are the types of vessels in the vascular system, in order?

A
  1. Aorta
  2. Arteries
  3. Arterioles
  4. Capillaries
  5. Arterioles
  6. Veins
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3
Q

The aorta, has a lot of ______ tissue.

A

elastic

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4
Q

Th aorta stores energy during ______ and returns it into the system during _______ .

A
  • systole

- diastole

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5
Q

Arterioles are composed of _____ ______.

A

smooth muscle

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6
Q

Arterioles are controlled by the ______ nervous system.

A

sympathetic

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7
Q

Arterioles are the ______ of the vascular system.

A

stopcocks

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8
Q

Arterioles control:

A
  • vascular resistance
  • blood pressure
  • localized flow & delivery of blood according to physical activity and need
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9
Q

Capillaries are responsible for:

A
  • gas diffusion
  • fluid osmosis
  • plasma proteins
  • edema formation
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10
Q

Diffusion across the capillaries takes ____ - _____ seconds.

A

1 - 3

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11
Q

The total surface area of capillaries is _____ sq. meters

A

500

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12
Q

Capillaries are made up of __________ cells.

A

endotheleal

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13
Q

Venules are ~ _____ microns in diameter

A

8

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14
Q

The pressure in the venous system is ____ - ____ mmHg

A

15 - 0

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15
Q

Three types of LE veins include:

A
  1. Deep
  2. Superficial
  3. Perforators
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16
Q

Deep LE veins run _____ major arteries.

A

with

17
Q

Superficial LE veins:

A

Gather blood from the network of capillaries under the skin

18
Q

Perforating LE veins connect ______ and ________ ________ .

A

superficial and deep veins

19
Q

Venous flow runs …

A

superficial to deep

20
Q

What causes venous valves to open?

A

Pressure change

21
Q

What make up the “Peripheral Heart” ?

A

Gastrocnemius and Soleus Muscles in the calf

CVT 111 Vascular Physiology & Pathophysiology (2 decks)

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