When an artery gets a constricted region due to plaque, how does the pressure in

Question

When an artery gets a constricted region due to plaque, how does the pressure in this region compare to the pressure in an unconstricted region adjacent?
A) Since this is a closed system, the pressure is the same in both regions.
B) In the constricted region the blood moves at a higher speed than in the unconstricted region resulting in an increased pressure.
C) In the constricted region the blood moves at a higher speed than in the unconstricted region resulting in a decreased pressure.
D) In the constricted region the blood moves at a lower speed than in the unconstricted region resulting in an increased pressure.

Explanation / Answer

C) The velocity increases in constricted passage bcos of the reduction in crossectional area.According 2 bernoullis theorem as velovity increases pressure decreases.

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