What controls blood flow into the capillary network?Multiple choice question.tunica mediaplaque formationlumen resistanceprecapillary sphincters

Blood flow through capillaries is regulated byMultiple Choiceone-way valves in the veins.precapillary sphincters.elastic valves.skeletal muscle contraction.the tunica intima.

What controls the relaxation and contraction of the precapillary sphincters?Multiple choice question.the pressure of the colloid osmotic component of capillary exchangethe availability of oxygen and nutrients to the tissues surrounding the capillary networkthe innervation of the surrounding skeletal musclesthe force of contraction of the ventricles

Which of the following best describes the primary role of precapillary sphincters in the microcirculation?Group of answer choicesPrecapillary sphincters regulate blood pressure within the arteries.Precapillary sphincters regulate blood flow into capillary beds based on metabolic demands.Precapillary sphincters control the exchange of gases in the capillaries.Precapillary sphincters facilitate the contraction of skeletal muscles during exercise. Previous

What is the function of precapillary sphincters?Multiple choice question.They control blood flow into the capillary network.They provide a lipid transport mechanism.They allow large molecules and cells to exit the network.They absorb carbon dioxide from the tissues.

What is the most important mechanism by which materials are transported between capillary blood and tissue fluid?Multiple choice question.filtrationdiffusionosmosis