Which of the following best describes the effect of hyperventilation in the brain-injured patient?
A) It is beneficial, because vasodilation results in increased cerebral blood flow.
B) It is detrimental, because vasodilation causes an increase in tissue edema.
C) It is beneficial, because vasoconstriction results in decreased tissue edema.
D) It is detrimental, because vasoconstriction results in decreased cerebral perfusion.

Question

Quizplus · Accepted Answer

Hyperventilation causes vasoconstriction in the brain, which reduces cerebral blood flow and decreases cerebral perfusion. This can be detrimental to brain-injured patients as it can worsen their condition.

Which of the Following Best Describes the Effect of Hyperventilation