Anatomy In a subclan aery block at outer border of 1st rib, all of the following aeries help in maintining the circulation to upper limb except? A >Subscapular aery B >Superior thoracic aery C >Thyrocervical trunk D >Suprascapular aery 💡 Explanation In a subclan aery block at outer border of 1st rib, all of the following aeries help in maintining the circulation to upper limb except? ✓ Correct Answer: B. >Superior thoracic aery