Anaesthesia Interscalene approach to brachial plexus block does not provide optimal analgesia in the area of distribution of which of the following nerves? A Musculocutanoeus nerve B Ulnar nerve C Radial nerve D Median nerve 💡 Explanation Interscalene approach to brachial plexus block does not provide optimal analgesia in the area of distribution of which of the following nerves? ✓ Correct Answer: B. Ulnar nerve