Florida State Paramedic Practice Exam

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In the Rule of Nines, how much of the body surface area do each of the arms represent for adults?

The correct answer is: 9

In the Rule of Nines, each arm of an adult represents approximately 9% of the total body surface area. This method is a quick way to estimate the extent of burn injuries for fluid resuscitation and other treatment protocols in emergency situations. Understanding this classification is essential for paramedics as they often encounter burn victims and need to make rapid assessments regarding their care. The context of the Rule of Nines is significant; it divides the body into sections that account for 9% or multiples of 9%. The head and neck account for 9%, each leg for 18%, and the front and back of the torso each account for 18%. By knowing that each arm constitutes 9%, paramedics can quickly calculate the affected surface area when dealing with burn patients, enabling them to initiate appropriate treatment swiftly.