The major determinant of resistance to blood flow is the:
A) percentage of red blood cells
B) blood's pH level
C) blood vessel's strength
D) blood vessel's percentage of smooth muscle
E) blood vessel's radius
Correct Answer:
Verified
Q6: What vasoactive chemicals do arteriolar endothelial cells
Q7: What provides arteries with tensile strength?
A)elastin fibers
B)collagen
Q8: Flow rate of blood through a vessel
Q9: Why is a relatively large percentage of
Q10: The factors that affect flow rate through
Q12: How thick are capillary walls?
A)1 micrometer
B)10 micrometers
C)100
Q13: The extent of contraction of arteriolar smooth
Q14: While measuring blood pressure with a sphygmomanometer,where
Q15: What compound brings about local arteriolar vasodilation
Q16: What are the three blood reconditioning organs?
A)large
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