For which emergency situation is knowledge of pressure points essential?

Knowledge of pressure points is essential in emergency situations involving bleeding because applying pressure to these specific areas can help control excessive blood loss. When significant bleeding occurs, particularly from a limb, locating and compressing a pressure point against a bone can slow or stop the flow of blood. This practice can prevent shock and stabilize the victim until professional medical help arrives. Understanding how and where to apply this technique is crucial for effective first aid response in cases of serious injuries with prominent bleeding.

In contrast, the other situations listed do not specifically rely on the technique of using pressure points for immediate first aid. For instance, fractures require immobilization and support rather than pressure application, burns need cooling and covering, and heart attacks involve recognizing symptoms and possibly performing CPR or using an AED, which isn’t related to pressure points.