She never asks questions. Remember the time Hermione turned into a cat? She made sure no one saw her. She regrew a whole arm’s worth of bones in one night. She can mend bones in a second. She even kicks out Dumbledore on some occasions. Just think about how many students get injured in Hogwarts every year and she just fixes them back up like new.
We all just need to take a second and thank Madam Pomfrey.