This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': 'All the following are Anatomical events at inseion of Coracobrachialis except \nSelect and explain. \nA. Circular shaft of humerus becomes Triangular below this level, B. Brachial aery passes from medial side of arm to its anterior aspect, C. Cephalic vein pierces deep fascia, D. Nutrient aery pierces the Humerus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Basilic vein pierces deep fascia at this level, not cephalic vein Inseion Of Coracobrachialis is an impoant landmark as many anatomical events occur at this level:The circular shaft of the humerus becomes triangular below this level.Brachial aery passes from medial side of arm to its anterior aspectBasilic vein pierces the deep fascia.Median nerve crosses in front of the brachial aery from the lateral to the medial side.Radial nerve pierces lateral intermuscular septum to pass from the posterior compament to the anterior compament.Ulnar nerve pierces medial intermuscular septum to go into the posterior compament.The medial cutaneous nerve of the arm and forearm pierces the deep fascia.Nutrient aery pierces the humerus.Reference: Vishram Singh Anatomy; 2nd edition; Page no: 95', 'role': 'assistant'}]