If there is no response and not breathing or not breathing normally, position the infant on his or her back and begin CPR. Give 30 gentle chest compressions at the rate of 100-120/minute. Use two or three fingers in the center of the chest just below the nipples.
source :CPR Instructions For Infants and Small Children
depts.washington.edu/learncpr/infantcpr.html
The best answer would be C. Maintain caloric intake and reduce sugar. Dieting will do no good when injured, but remaining at maintenance calories and eating clean will help recovery speed up a little. Sugar is less critical to other nutrients for fast recovery.
Aerobic respiration can produce a maximum of 38 ATP per glucose molecule. Anaerobic respiration can produce 2 ATP per glucose molecule. As a result, aerobic respiration is about 19 times more efficient.