What is the relationship between pressure, flow, and resistance
A)flow = pressure gradient / radius4
B)flow / pressure gradient = resistance
C)flow = pressure gradient / resistance
D)pressure gradient = flow / radius4

Question

Quizplus · Accepted Answer

This is known as Poiseuille's law and states that flow increases with increasing pressure gradient and decreases with increasing resistance. The equation can be rearranged as pressure gradient = flow/resistance or flow = pressure gradient/resistance. Option A is incorrect as it includes a radius4 term, which is part of the equation for resistance, not flow. Option B is incorrect as it has the flow and pressure gradient values flipped, resulting in an incorrect calculation of resistance. Option D is also incorrect as it includes only the radius4 term and doesn't take into account the effects of pressure gradient or resistance.

What Is the Relationship Between Pressure, Flow, and Resistance