Which areas are sites where life-threatening hemorrhage can occur?

• A. Chest, abdomen, thighs, outside the body
• B. Head, neck, chest, abdomen
• C. Chest, pelvis, arms, legs
• D. Abdomen, pelvis, back, neck

Answer: (A)

In trauma care, the places where rapid and dangerous blood loss can come from include central trunk areas, large vessels in the limbs, and external wounds. The chest and abdomen are key trunk compartments that, when injured, can bleed heavily and rapidly threaten life. The thighs contain major vessels (like the femoral artery) that can produce massive bleeding if damaged. And external bleeding—blood pouring from a wound outside the body—is the most immediate form of life-threatening hemorrhage you’ll see and must be controlled right away.

That combination—chest, abdomen, a major limb site, and external bleeding—is why this option is the best fit. Other choices omit one of these critical sources of hemorrhage, such as excluding external bleeding or including areas less commonly associated with rapid, life-threatening blood loss.