Other synonyms: absence, bankruptcy, blemish, damage, debit, decline, defect, defectiveness, delinquency,
If the blow were to say break his nose that is serious bodily injury and now you are looking at a Class B felony, Assault 2. If the blow was still serious and resulted in bodily injury but not as serious as an Assault 1 or 2 then you have a Class C felony, assault 3.
An injury or blow to the nose can cause bleeding, but most aren't a serious problem. But if your child has a facial injury that causes a bloody nose and you can't stop the bleeding after 10 minutes or have other concerns about the injury, get medical care right away. While nosebleeds are rarely serious, there might be a problem if they happen a lot.