Anaesthesia Which of the following is true about spinal anesthesia? A Onset of analgesia takes about 15 minutes B Anesthesia is injected in subarachnoid space C Most common complication is PDPH D May lead to intra-operative tachycardia 💡 Explanation Which of the following is true about spinal anesthesia? ✓ Correct Answer: B. Anesthesia is injected in subarachnoid space