I’m pretty sure it’s c. (You were right lol)
I don't think you have to put soft padding around the injured part but yes you have to seek medical care and apply ice to the injury
-Medium- an agency or means of doing something.
-Technique-a skillful or efficient way of doing or achieving something.
-Proportion- a part, share, or number considered in comparative relation to a whole.
Surgical scalpel is re useable because it can be easily sanitized