This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ohopaedics Q Bank, Subject name: Orthopaedics
[{'content': '1st reflex to recover after spinal shock: \nSelect and explain. \nA. Bulbocavernosus Reflex, B. Abdominal Reflex, C. Plantar Reflex, D. Ankle Reflex', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 1st reflex to recover form spinal shock is bulbocavernosus reflex(S2-S4) It refers to anal sphincter contraction in response to squeezing the glans penis or tugging on the Foley( see figure) During lumbar injury,- If all reflexes are gone, then its spinal shock- If there is symmetrical loss +/- bowel or bladder involvement (which occurs in saddle anaesthesia), it is conus medullaris syndrome- If there is asymmetrical loss, then it is cauda equina syndrome.', 'role': 'assistant'}]