If the blood flow through a blood vessel is 2 ml/min, how much will it become if its radius is doubled: (A) Will remain the same, (B) 4 ml/min, (C) 8 ml/min, (D) 16 ml/min
Answer is D. 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