Following a Craniotomy with a Craniectomy and Left Anterior Fossae

Following a craniotomy with a craniectomy and left anterior fossae incision, the patient has a nursing diagnosis of impaired physical mobility related to decreased level of consciousness (LOC) and weakness. An appropriate nursing intervention is to

A) position the bed flat and log roll the patient.
B) perform range-of-motion (ROM) exercises every 4 hours.
C) turn and reposition the patient side to side every 2 hours.
D) cluster nursing activities to allow longer rest periods.