The Unconscious Patient with a Closed Head Injury Is on Mechanical

Multiple Choice

The unconscious patient with a closed head injury is on mechanical ventilation.To improve brain perfusion through increased blood pressure,the carbon dioxide (CO₂) should be maintained at what level?

A) 10 to 15 mm Hg
B) 15 to 20 mm Hg
C) 20 to 25 mm Hg
D) 25 to 30 mm Hg