What is a cold pack typically used for?

• A. Increasing blood flow
• B. Stopping bleeding and reducing swelling
• C. Identifying temperature
• D. Oxygen therapy

Answer: (B)

A cold pack is commonly used for stopping bleeding and reducing swelling due to its ability to constrict blood vessels and decrease metabolic activity in tissues. When applied to an injury, the cold temperature can help minimize bleeding by inducing vasoconstriction, which narrows the blood vessels and limits the flow of blood to the affected area. This property is particularly useful in managing acute injuries, such as sprains and strains, where swelling and inflammation can occur.

In addition to controlling bleeding, cold packs also reduce swelling by slowing down the inflammatory response, which can lead to less pain and a quicker recovery time. The cooling effect can numb the area, providing pain relief and making it easier for the individual to rest the injured part.

Other options focus on different interventions and applications that do not align with the primary use of cold packs in first aid and injury management. For example, increasing blood flow is typically a goal of heat therapy rather than cold therapy, and identifying temperature does not directly relate to the therapeutic effects of a cold pack. Oxygen therapy is entirely unrelated as it addresses respiratory issues rather than preventing swelling or controlling bleeding.