Ron blanched even more when he realized Helena Ravenclaw was the healer. She was younger than him and they had attended classes together for a short while, so he knew she wasn't fully trained like Edgar Bones or Mrs Potter. He didn't say anything, though, being fully aware that Hermione had mended him after he splinched without having any training at all - or faith in what she was doing, and he was certain that a broken nose would be easier.
"Easy," he said to Hugo, rushing to him as he tried to steady himself.