When Greg's friend had a serious accident with an electrical saw and cut his
arm, the flow of blood was severe. Greg knows he should immediately rush
his friend to the emergency room 25 minutes away. What should Greg do
quickly before going to the emergency room?
A. Call a primary care doctor and seek advice.
B. Stem the flow of blood to prevent shock.
C. Give Greg some water.
O D. Clean the blood from the saw and the surrounding area.