This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Anatomy
Gas used in laproscopy is 
Select and explain. 
A. Carbon dioxide, B. Sulphur dioxide, C. Nitrogen, D. Oxygen
A: Carbon dioxide
Answer: A: Carbon dioxide 
Explanation: Ref:Bailey and love 27th edition Pg no :105