ATP 4-02.11 – First Aid Practice Exam

The five Ps are a quick neurovascular check for limb compromise, focusing on how perfusion and nerve function are affected. Pain is often the earliest sign and can be out of proportion to exam findings, signaling tissue at risk. Pallor reflects reduced blood flow and pale coloration of the skin. Pulselessness indicates a loss of distal arterial flow, a critical warning that the limb may be threatened. Paresthesia captures sensory bundle involvement, with tingling or numbness suggesting nerve ischemia. Paralysis indicates motor weakness from severe ischemia and impending loss of limb function. Among the options, the traditional set uses Pulselessness rather than Pulses or Pressure, so the combination Pain, Pallor, Pulselessness, Paresthesia, Paralysis correctly captures the standard five signs.