Final answer:
The RICE principle (Rest, Ice, Compression, and Elevation) is used to reduce pain and inflammation after soft tissue injuries; this is true. Chronic pain can persist post tissue healing due to prolonged immune response and chemical messengers, exacerbating pain sensation. During inflammation, white blood cells move towards the site of injury, contrary to the provided incorrect statement b.
Step-by-step explanation:
The RICE principle is indeed a method used to help reduce pain and inflammation. This acronym stands for Rest, Ice, Compression, and Elevation. These steps are commonly recommended following soft tissue injuries such as sprains or strains. The RICE principle aims to manage the symptoms and promote healing in the acute phase of injury. It seeks to minimize swelling and pain, which can prevent further damage to the tissue.
Chronic pain often continues even after the injured tissues have healed due to ongoing inflammation and immune system activation. Chemical messengers such as cytokines, which are part of the immune response, can perpetuate a state of inflammation, leading to chronic pain. This is because they activate or sensitize nociceptors, the nerves responsible for sensing pain.
It is also worth noting that statement 'b' from the reference material provided is incorrect. During inflammation, blood cells, particularly white blood cells, actually move towards the site of infection or injury to combat pathogens and facilitate the healing process, rather than retreating from it.