Difficulty: Medium
Average Score: 62%
Full-length
A client admitted with a severe head injury following an MVA is placed on a ventilator, and hyperventilation is maintained. The primary reason for maintaining hyperventilation is:
Correct answer
D
Rationale
Hyperventilation reduces $\mathrm{CO}_2$, causing cerebral vasoconstriction, which decreases cerebral blood flow and intracranial pressure in head injuries.