A victim has suffered a second-degree burn to a small area of the lower arm. What is the proper treatment for this injury?

A
Immerse the arm in cold water for 1 to 2 hours, apply burn ointment, and bandage.
B
Open any blisters with a sterile needle, apply burn ointment and bandage.
C
Apply burn ointment, remove any foreign material and insure that nothing is in contact with the burn.
D
Immerse the arm in cold water for 1 to 2 hours, open any blister and apply burn ointment.
E