OCR General Certificate of Secondary Education (GCSE) Biology Practice Exam

What is the purpose of applying ice to an injury in the RICE method?

1. To numb the injury completely

2. To reduce swelling and slow blood flow

3. To increase blood circulation

4. To prevent bruising

The correct answer is: To reduce swelling and slow blood flow

The application of ice to an injury in the RICE method serves primarily to reduce swelling and slow down blood flow to the affected area. When ice is applied, it causes blood vessels to constrict, which helps to decrease the amount of blood that flows to the injury site. This reduction in blood flow is crucial because it limits the swelling that can occur after an injury, as excessive swelling can lead to increased pain and a longer recovery time. By minimizing swelling, the application of ice contributes to a more effective healing process, enabling individuals to manage pain and maintain mobility in the injured area. The cooling effect of the ice also provides temporary pain relief, but the main focus of this application is on controlling inflammation and swelling. Other options, like increasing blood circulation, would not be beneficial in the context of an acute injury where the goal is to manage swelling and inflammation. Additionally, while applying ice might numb the area temporarily, it does not completely numb the injury, and preventing bruising is not the primary reason for its application.