A patient has full-thickness burns of the right chest area, entire right arm, and deep partial-thickness burns of both upper anterior legs. Based on the rule of nines, a nurse estimates the total body surface area of burns to be
1. 36 percent.
2. 27 percent.
3. 18 percent.
4. 45 percent.
2
Rationale: According to the rules of nines, the right chest area = 9 percent, entire right arm = 9 percent, and the upper anterior legs = 4.5 percent + 4.5 percent. The total = 9 + 9 + 9 = 27 percent. The other calculations are incorrect.
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