Physiology lecture 5

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What are the two circulatory systems of the CVS?
1) Systemic 2) Pulmonary
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Systemic .......... pressure, pulmonary ........... pressure
high, low
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What is the pH of the blood?
7.4
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Name three properties of arteries
1) High pressure 2) Elastic 3) For distribution
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Name two properties of arterioles
1) High resistance 2) Site for control of blood flow to tissues
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Name two properties of capillaries
1) Thin walled 2) Exchange of materials
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Name 3 properties of veins
1) Low pressure 2) Capacitance 3) Valves collection
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Pulsatile in large arteries. Max=........... , Min=..............
Systolic, diastolic
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How do you calculate flow? What is the equation called?
Q = Delta P (pressure gradient) / R (resistance) Darcy's law
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Whatif flow proportional to?
Delta P Xr^4
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How do you calculate blood velocity?
V = flow/ X-SA (cross sectional area)
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What is venous return?
Amount of blood returning to the heart
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What is stroke volume?
Volume of blood pumped by 1 ventricle ~75ml/s
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What is cardiac output?
Total volume of blood pumped per ventricle per minute
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Other cards in this set

Card 2

Front

Systemic .......... pressure, pulmonary ........... pressure

Back

high, low

Card 3

Front

What is the pH of the blood?

Back

Preview of the front of card 3

Card 4

Front

Name three properties of arteries

Back

Preview of the front of card 4

Card 5

Front

Name two properties of arterioles

Back

Preview of the front of card 5
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