The diameter of a precapillary arteriole is increased in a muscle vascular bed. A decrease in which of the following would be expected?
A)Capillary filtration rate
B)Vascular conductance
C)Capillary blood flow
D)Capillary hydrostatic pressure
E)Arteriole resistance

Question

Quizplus · Accepted Answer

Increasing the diameter of a precapillary arteriole decreases its resistance to blood flow, according to Poiseuille's law. Lower resistance allows more blood to flow through the arteriole, affecting downstream pressures and flows positively.

The Diameter of a Precapillary Arteriole Is Increased in a Muscle