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ultra filtration pressure in the capillaries
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What Site has the greatest resistance to blood flow?
Arterioles.
Which of the following is NOT an important source of resistance to blood flow?
Total Blood Volume "There are three important sources of resistance: blood viscosity, vessel length, and vessel diameter." - Anatomy & Physiology 4E Marieb/Hoehn page 612.
What determines the rate of blood flow?
Heart rate and stroke volume, since CO=HR*SV
Is the pressure gradient equal to gas flow over resistance?
no gas flow is equal to pressure gradient over resistance
What is peripheral blood flow?
Peripheral blood flow refers to blood flow that occurs in the extremities as opposed to blood that flows to the brain, heart, lungs, and vital organs.
What is blood flow resistance?
The resistance of blood flow is what?
What is blood flow generated by?
The flow of blood times the resistance of the blood vessels.
Which blood vessel offer most resistance to blood flow?
Arterioles generally have the highest resistance because they are so extremely small.
What factors influence resistance to blood flow?
blood volume
How does blood viscosity affect blood flow?
Peripheral resistance
A resistance to blood flow due to friction between blood and blood vessel walls is called what?
it is called peripheral resistance.
Resistance to blood flow through blood vessels is a function of?
capillaries
What Site has the greatest resistance to blood flow?
Arterioles.
What tends to be thicker and more resistance to flow?
Blood
Decreased peripheral resistance to blood flow?
Anemia
What is blood flow directly proportional to?
Peripheral resistance
A measure of the flow of blood in arteries is called?
Blood flows away from the heart and is measured as blood pressure. This is a measure of the passage or flow and the resistance of the flow in the arteries.
