During properly performed external chest compression on an adult, how should the heel of the hand be positioned?
a. Three finger widths above the xiphoid tip, middle of sternum
b. Two finger widths below the manubrium, upper sternum
c. One finger width below the intermammary line, midsternal line
d. Two finger widths above the xiphoid tip, lower half of sternum
ANS: D
Identify the lower half of the victim's sternum, in the center of the chest between the nipples, and place the heel of your hand on the sternum with your other hand on top, and lock your el-bows.
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