228.Which of the following increases turbulence in blood flow?

a.Reynold's number less than 2000.
b.Decrease in the velocity of the blood.
c.Decrease in density of the blood.
d.Increase in the diameter of blood vessel.

Ans-d.Increase in the diameter of blood vessel.

Explanation-Ref ganong22/ed pg 583
reynold's no=density *diameter*velocity/viscosity