This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
[{'content': 'Frieberg osteochondritis is \nSelect and explain. \nA. 2nd metatarsal head, B. 2nd metatarsal base, C. 5th metatarsal head, D. 5th metatarsal base', 'role': 'user'}, {'content': "Answer: A \nExplanation: Named Osteochondritis NAME OSTEOCHONDRITIC SITEBlount's disease ( Tibia Vara Medial side of the proximal tibial epiphysisCalve's disease Centre body nucleus of a veebral bodyFrieberg infarction Metatarsal head ( 2nd MT is most common )Iselin disease 5th metatarsal boneKienbock disease Lunate Kohler disease Navicular Madelung deformity Distal radial physis Osgood-Schlatter disease Tibial tuberosityPanner's disease Capitulum Pehe's disease Femoral head Scheuermann's disease Ring epiphysis of a veebral bodySevere's disease Calcaneum ( at the inseion site of tendon Achilles )Sinding -Johanssen- Larsen disease Lower pole of the patella(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 443, 458)", 'role': 'assistant'}]