How does reactive hyperemia differ from active hyperemia?
A) Reactive hyperemia is characterized by excess cellular consumption of oxygen, while active hyperemia is characterized by depletion of cellular oxygen.
B) Reactive hyperemia is caused by a blocked blood supply, while active hyperemia is caused by an increase in metabolic activity.
C) Reactive hyperemia involves the action of paracrines, while active hyperemia involves a myogenic response.
D) Reactive hyperemia involves vasodilation of nearby arterioles, while active hyperemia involves vasoconstriction of arterioles.
E) Reactive hyperemia involves removal of metabolites from tissues, while active hyperemia does not.
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