Physiology Poiseuille’s law is A F = (PA – PB) πr4/8nL B F = (PA x PB) πr4/8nL C F = (PA + PB) πr4/8nL D F = (PA / PB) πr4/8nL 💡 Explanation Poiseuille's law is ✓ Correct Answer: A. F = (PA – PB) πr4/8nL