Which of the following stimulate vasoconstriction of the cerebral arteries?

Question

Quizplus · Accepted Answer

Cerebral arteries regulate blood flow that is based primarily on blood pressure and metabolites.Vasodilation will occur if the blood pressure or the O₂ or pH levels are too low or if the CO₂ or lactic acid levels are excessive.Conversely,vasoconstriction will occur when the blood pressure or the O₂,or pH levels are excessive or if the CO₂ or lactic acid levels are too low.

Which of the Following Stimulate Vasoconstriction of the Cerebral Arteries