दुर्घटना पीड़ित को प्राथमिक चिकित्सा प्रदान करने से पहले निम्नलिखित में से किस कारक की तुरंत जांच की जानी चाहिए?

What is the recommended immediate first aid remedy for minor, superficial burns where there are no open blisters?

To prevent infection and further complications, a burnt area on the body should be protected from which of the following?

When the damage from a burn extends through the full thickness of the skin, destroying nerve fibers and potentially reaching underlying muscles or bones, in which standard category is it classified?