Resistance
A) is a measure of the hindrance to blood flow through a vessel caused by friction between the moving fluid and stationary vascular walls
B) is doubled when the radius of the vessel is reduced by one-half
C) increases 16-fold when the radius of the vessel is reduced by one-half
D) is a measure of the hindrance to blood flow through a vessel caused by friction between the moving fluid and stationary vascular walls, and is doubled when the radius of the vessel is reduced by one-half
E) is a measure of the hindrance to blood flow through a vessel caused by friction between the moving fluid and stationary vascular walls, and increases 16-fold when the radius of the vessel is reduced by one-half
Correct Answer:
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Q10: Blood flow is affected by
A) pressure differences
B)
Q11: In an arteriole, if the blood vessel
Q11: The major determinant influencing resistance to blood
Q12: The larger arteries assist with systemic blood
Q13: The major function of the arterioles is
Q15: Resistance increases when
A) radius decreases
B) length decreases
C)
Q16: The microcirculation is composed of
A) arteries, arterioles,
Q17: Vasoconstriction
A) refers to a decrease in the
Q19: Because of their elasticity, arteries act as
Q24: The pulse pressure is the
A)difference between the
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