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Blood Vessels 2
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Forces exerted by the blood against the inner walls of blood vessels
Blood pressure
When ventricles contract causing pressure in the aorta
Systolic pressure
Top #
Systolic pressure
When ventricles relax causing the lowest pressure in the arteries
Diastolic Pressure
Bottom #
Diastolic Pressure
Factors that influence blood pressure
The volume of blood discharged from the LV (stroke volume)
Blood volume
(Factors that influence blood pressure)
5 liters but varies
Loss of blood results in
(Factors that influence blood pressure) (Blood Volume)
low blood pressure
Peripheral Resistance
(Factors that influence blood pressure)
Friction created as blood flows against blood vessel walls
Viscosity
(Factors that influence blood pressure)
Thickness of blood
Too many RBC can
(Factors that influence blood pressure) (Viscosity)
thicken blood
Meds can
(Factors that influence blood pressure) (Viscosity)
thin blood
The more blood that enters the heart______
(Control of Blood pressure)
the stronger the ventricular contraction,
The more blood that enters the heart______(Control of Blood pressure)
the greater the stroke and the greater the cardiac output
Two important mechanisms for maintaing normal arterial pressure involved the
Regulation of the cardiac output (volume discharged every minute) and Peripheral vesistance
Author
hey_itsdarra
ID
217103
Card Set
Blood Vessels 2
Description
6th 6th weeks
Updated
5/1/2013, 9:34:46 PM
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