A man has suffered a burn on the arm. There is extensive damage to the skin with charring present. How is this injury classified using standard medical terminology?（）

A.injured needs first aid
B.injured is incapacitated
C.injury results in loss of life only
D.injury is the result of misconduct

A.medical treatment of accident
B.setting of broken bones
C.emergency treatment at the scene of the injury
D.dosage of medications