Viscosity: Suppose That the Build-Up of Fatty Tissue on the Wall

Multiple Choice

Viscosity: Suppose that the build-up of fatty tissue on the wall of an artery decreased the radius by 10%. By what percent would the arterial pressure difference produced by the heart have to be increased to maintain a constant blood flow?

A) 48%
B) 52%
C) 50%
D) 46%
E) 54%