This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Burn by moist heat is known as: 
Select and explain. 
A. Ordinary burn, B. Scar burn, C. Scalds burn, D. Hot burn
C: Scalds burn
Answer: C: Scalds burn 
Explanation: Burns may be classified as:

Ordinary burns caused by dry heat.
Scalds caused by moist heat.
Chemical burns caused by strong acid or base.
Electric burns.
Radiation bums.
Cold burns.