When an artery gets a constricted region due to plaque, how does the pressure in
ID: 2176654 • Letter: W
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.