<prompt> If the blood flow through a blood vessel is 2 mlmin, how much will it become if its radius is doubledWill remain the same4 mlmin8 mlmin16 mlmin  <response>: According to poiseuille equation Flow rate is directly propoional to radius to the power of 4 Ref: guyton and hall textbook of medical physiology 12 edition page number:220,221,222 