Which Statement Best Outlines the Reason Hyperventilation Can Result in Loss

Multiple Choice

Which statement best outlines the reason hyperventilation can result in loss of consciousness?

A) Hyperventilation eliminates too little CO2, causes an increase in blood H2CO3 and consequently in blood H+, and thereby may produce acidosis.
B) Increases in oxygen ion concentration above a certain level depress the central nervous system and, therefore, produce such symptoms as disorientation and coma.
C) Decreases in hydrogen ion concentration above a certain level depress the central nervous system and, therefore, produce such symptoms as disorientation and coma.
D) Increases in hydrogen ion concentration above a certain level depress the central nervous system and, therefore, produce such symptoms as disorientation and coma.