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: Anaesthesia
Saddle block is used for – 
Select and explain. 
A. Surgery of lower limbs, B. Upper abdominal surgery, C. Inguinal hernia repair, D. Perianal surgery
D: Perianal surgery
Answer: D: Perianal surgery 
Explanation: Saddle block is the spinal anesthesia given in sitting position and the patient remains seated for 5 minutes. It is used for perianal surgeries.