The diameter of a blood vessel narrows by 70 due to the, Ask an Expert

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The diameter of a blood vessel narrows by 70% due to the presence of a plaque on the blood vessel walls.

By what factor does the blood velocity increase?

If the blood velocity in a normal vessel is 0.15 ms^-1 and the systolic blood pressure is 130 mmHg, what is the systolic blood pressure in the narrowed vein (in mmHg)?

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