What is one of the pharmacological agents used in deep hypothermic circulatory arrest that stabilizes cell membranes?

The correct response is focused on the role of steroids, which include various anti-inflammatory agents that can help stabilize cell membranes during deep hypothermic circulatory arrest (DHCA). In this context, steroids are noted for their ability to maintain cellular integrity and function amidst the extreme conditions associated with hypothermic arrest.

Specifically, steroids can reduce inflammation and limit cellular damage by stabilizing the membranes of cells, preventing the influx of harmful substances and promoting better overall cellular resilience during the hypothermic state. This stabilization is crucial in minimizing ischemic injury that can occur when blood supply is temporarily halted.

While other options might relate to anti-inflammatory effects, they do not directly refer to the specific mechanism of stabilizing cell membranes as effectively as steroids do in the context of deep hypothermic circulatory arrest.