Best position to prevent increased ICP in head injury patient?

Correct option is D

Elevating the head of bed to 30° helps in venous drainage from the brain, thus preventing intracranial pressure elevation. Explanation of options:
· (a) ✘ Sim’s is used for drainage but not for ICP control.
· (b) ✘ Not as effective as 30° elevation.
· (c) ✘ Flat positioning may worsen ICP.
· (d) ✔ Standard preventive positioning.