Central Chemoreceptors Detect a Decrease in PH in Interstitial Fluids

Multiple Choice

Central chemoreceptors detect a decrease in pH in interstitial fluids in the brain.What is the response of the medulla to maintain delivery of oxygen to cells?

A) A feedback loop is initiated that indirectly increases parasympathetic activity which results in vasodilation and a decrease in blood pressure.
B) A feedback loop is initiated that indirectly increases sympathetic activity which results in vasoconstriction and a rise in blood pressure.
C) A feedback loop is initiated that indirectly decreases sympathetic activity which results in vasodilation and a decrease in blood pressure.
D) A feedback loop is initiated that indirectly increases parasympathetic activity which results in vasoconstriction and a rise in blood pressure.