The central nervous system ischemic response
A. is triggered by an increase in blood flow to the vasomotor center.
B. plays an important role in controlling blood pressure under emergency conditions.
C. is stimulated by a rise in oxygen.
D. is inhibited by a rise in the level of hydrogen ions.
E. plays an important role in regulating blood pressure under normal conditions.
B
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Fill in the blank(s) with correct word