This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Neuraxial Blockade, Subject name: Anaesthesia
[{'content': 'Saddle block can be used for all the following condition except- \nSelect and explain. \nA. Dilatation and curettage, B. Haemorrhoids, C. Rectal prolapse, D. Cesarean section', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cesarean delivery requires a level of block up to T4, which is not possible by saddle block Dermatomal Level required for Various Common Surgical Procedures: T4 - Upper abdominal surgery T10 - Transurethral resection of prostate T10 - Hip surgery L2 - Foot and ankle surgery S2-S3- haemorrhides', 'role': 'assistant'}]