What is the purpose of anti-shock trousers?

Anti-shock trousers are designed to promote venous return and support blood circulation, particularly in cases of shock or significant blood loss. These trousers are often made of an elastic material that exerts pressure on the lower body, which helps to redirect blood flow towards vital organs such as the heart and brain. By applying this pressure, anti-shock trousers assist in maintaining a more stable blood pressure, ensuring that critical areas receive the oxygen and nutrients they need despite the patient's compromised condition. This becomes especially important in emergency medical situations where shock can lead to serious complications if not managed promptly.

The other options present functions that do not align with the primary purpose of anti-shock trousers. For instance, preventing blood clotting pertains more to anticoagulants rather than external compression garments. Stabilizing broken bones is a function related to splints or immobilization devices, not trousers. Decreasing body temperature is a concern in cases of hyperthermia, and while certain measures can be taken to cool a patient, anti-shock trousers are not designed for this purpose. Thus, the role of anti-shock trousers is specifically centered on enhancing circulation and supporting the body in shock scenarios.