I think the answer is c
Hope this helps :)
Yes the swelling is going down so i you were sick then it’s a sign you are getting better
For number 3 the answer is prevent blood from pooling. for number 4 it is all of these. for number 5 it is the first one: complete a self assessment... and number 6 is stressor. for number 2 I was not 100% sure though it would be between oxygen or muscle to bone.