Which of the following factors would produce the greatest change in blood flow?
A) Doubling the radius of the vessel
B) Doubling the difference in the pressure gradient within the vessel
C) Doubling the viscosity of the blood
D) Doubling the length of the vessel
E) Halving the viscosity of the blood
Correct Answer:
Verified
Q8: The arteries
A)serve as rapid-transit passageways from the
Q9: Vasoconstriction
A)causes a decrease in resistance
B)refers to a
Q10: Vasoconstriction
A)refers to a decrease in the radius
Q11: The major determinant influencing resistance to blood
Q12: Select the correct statement about veins.
A)Their walls
Q14: The major function of the arterioles is
Q15: Which is not true about blood pressure?
A)It
Q16: Organs that recondition the blood
A)receive disproportionately large
Q17: In an arteriole, if the blood vessel
Q18: Resistance increases when
A)vessel radius decreases
B)vessel length decreases
C)blood
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