Surgery In a head injury patient, Mannitol should not be used for control of increased intracranial pressure when A Serum osmolality is more than 320 mOsmol/kg B Aerial PaCO2 is less than 34 mm Hg C Aerial PaO2 is more than 100 mg Hg D Aerial pH is less than 7.35 💡 Explanation In a head injury patient, Mannitol should not be used for control of increased intracranial pressure when ✓ Correct Answer: A. Serum osmolality is more than 320 mOsmol/kg