A 26-year-old man receives a concussion from a car accident. The brain edema that follows causes compression of the cerebral arteries to such an exten

[Kathryn]

#august2020mccqe1

A 26-year-old man receives a concussion from a car accident. The brain edema that follows causes compression of the cerebral arteries to such an extent that he needs to be placed on mechanical ventilation to control his breathing. His respiratory drive is diminished mainly because of decreased
(A) arterial Pco2 acting through central chemoreceptors
(B) arterial Pco2 acting through peripheral chemoreceptors
(C) arterial pH acting through central chemoreceptors
(D) arterial pH acting through peripheral chemoreceptors
(E) arterial Po2 acting through central chemoreceptors
(F) arterial Po2 acting through peripheral chemoreceptors