If you're injured you should get it fixed as soon as possible.

[And that sounds way worse than what Midoriya was making it sound like.]

... So you got hit by a pair of shears? How deep did they cut? You didn't go to somebody who could heal it up properly?

[He's sure Uraraka did a good job bandaging up a wound. They all know their first aid. But if somebody can completely heal it up, wouldn't they be the obvious best choice?]