When an Artery Gets a Constricted Region Due to Plaque,how

Multiple Choice

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.