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
Biopsy specimens removed for examinations are immediately placed in: 
Select and explain. 
A. 10% ethanol, B. 10% formalin, C. Hydrogen peroxide, D. 1% formalin
B: 10% formalin
Answer: B: 10% formalin 
Explanation: None