You are presented with a 34-year-old female patient who is a victim of a car accident. The patient's vital signs are BP 100/P, HR 130, RR 20/min, and she is currently responsive. What stage of shock is she in?

• A. Compensated shock
• B. Decompensated shock
• C. Obstructive shock
• D. Distributive shock

Answer: (A)

Compensated shock is being tested here. In the early, compensatory stage, the body fights to maintain perfusion by activating the sympathetic system. That shows up as a rapid heart rate and attempts to preserve blood pressure even when there’s injury or blood loss. A heart rate around 130 indicates strong sympathetic response, and a systolic blood pressure near 100 can still be maintained in this stage, especially since the patient is still responsive. So the signs point to the body effectively compensating to keep organs perfused.

If the situation progressed to decompensated shock, you’d expect the blood pressure to fall and mental status to worsen as the compensatory mechanisms fail. Obstructive and distributive describe causes or patterns of shock rather than stages; they can be present within or alongside a compensated or decompensated state, but the vital-sign pattern here best fits compensatory shock.