This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
Bone marrow depression is seen with chronic administration of 
Select and explain. 
A. Isoflurane, B. N2O, C. Ether, D. Halothane
B: N2O
Answer: B: N2O 
Explanation: (Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no.163-168)