Multiply the following: (-2)(+3)(-6)(+4)

During many orthopedic procedures, the surgeon may choose to wrap the limb with a sterile Ace wrap or an Esmarch bandage to ____________________

A. exsanguinate the limb B. prevent contamination of the limb during the procedure

Wakefulness is a function of the brain's ____.

A. medulla oblongata B. reticular activating system C. midbrain D. brainstem