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22 Cards in this Set

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  • Back
According to the vascular function curve, as right atrial pressure increases, venous return ______.
decreases
As venous pressure decreases, venous return _____, an as venouse pressure increases, venous return _____.
decreases, increases
At a specific RAP called the mean systemic filling pressure, venous return becomes _____.
0
The magnitude of the mean systemic filling pressure is dependant on the _____ in the circulatory system and the _____ of the vasculature.
volume of blood, compliance
______ blood volume or ____ venous compliance causes an ______ in venous pressure and venous return, and shifts the vasculature function curve up and to the right.
increasing, decreasing, increase
The ______ is the pressure due to the volume of blood contained within the elastic vessels .
mean systemic filling pressure
If arteriolar resistance increases, pressure upstream in the arteries _____, while pressure downstream in the capillaries and veains _____, causing a ____ in venous pressure and venous return.
increases, decreases, decrease
If arteriolar resistance decreases, pressure in the arteries _____, while pressure in the capillaries and veins _____, causing a ____ in venous pressure and venous return.
decreases, increases, increase
Mean systemic filling pressure increases with ____ blood flow and _____ venous compliance, and remains constant with changes in ______.
increased, decreases, TPR
Vasodilation _____ the slope of the vascular function curve, while vasoconstriction ____ the slope of the curve.
increases, decreases
According to the cardiac function curve, an increase in RAP will cause a ______ in EDV of the right venrticle and cardiac ouput.
increase
______ contratility caused by increased sympathetic, increased epinephrine, or a positive inotropic agent shifts the cardiac function curve _____.
Increased, up and to the left
Increased contractility shifts the cardiac function curve _____, meaning the heart is ___-effective.
up and to the left, hyper
Decreased contractility shifts the cardiac function curve _____, meaning the heart is ___-effective.
down and to the right, hypo
______ contratility caused by decreased sympathetic or loss of ventricular tissue shifts the cardiac function curve _____.
Decreased, down and to the right
If blood volume increases or compliance decreases the vascular function curve shifts to the ____, raising _____ and increasing _____.
right, RAP, CO
If blood volume increases or compliance decreases the vascular function curve shifts to the _____, and the cardiac output curve _____.
right, is unchanged (contractility has not changed)
If blood volume increases or compliance decreases the vascular function curve shifts to the right, and the _____ venous return causes the RAP to move to a different on the _____.
increased, cardiac output curve
When contractility of the heart increases the _____ shifts up and to the right and the vasular function curve _____.
up and to the left, does not change
As the cardiac output curve shifts up and to the left, Right atrial pressure ____, and the ventricle is better able to _____.
decreases, draw blood
On cardiac- vascular function curves, if the new point lies on the normal cardiac function curve ____ did not change, but the vascular function curve moved because of ____, ____, or ____.
blood volume, compliance, TPR(same mean systemic filling pressure, ie. change slope only)
On cardiac- vascular function curves, if the new point lies on the normal vascular function curve ____, ____, or _____ did not change, but the cardiac function curve moved because of ______.
blood volume, compliance, TPR, change in ventricular contractility