Which of the following is a sign of compensating shock?

Compensating shock refers to the body's physiological responses to maintain adequate perfusion and oxygen delivery to tissues when faced with a potential reduction in blood volume or flow. High cardiac output is typically a response seen in the early stages of shock as the body attempts to compensate for decreased perfusion. Therefore, it is indicative of compensatory mechanisms at work.

While physical coolness of the skin can occur during compensating shock, it may also take place as the shock progresses due to peripheral vasoconstriction. This process aims to redirect blood flow to vital organs, resulting in cooler extremities, but does not provide a direct measure of the body's compensatory efforts. Conversely, clear signs of acidosis indicate that the body is unable to compensate effectively and may suggest a progression to decompensated shock. Bradycardia is generally not associated with compensating shock, as increased heart rate is a key compensatory mechanism the body employs to maintain circulation.

High cardiac output remains an essential feature of compensating shock, as it signals the body's effort to overcome decreased blood volume or pressure, ensuring that vital organs continue to receive the necessary blood supply.