This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Anatomy
Secondary ossification centre appears before bih at 
Select and explain. 
A. Upper end of femur, B. Lower end of femur, C. Lower end of tibia, D. Lower end of fibula
B: Lower end of femur
Answer: B: Lower end of femur 
Explanation: Long Bone Diaphysis (shaft) - derived from primary ossification center. * present at 6 - 8 weeks of IUL. Epiphysis (ends) - derived from secondary ossification center. * appear after bih Except - Lower end of femur & sometimes upper end of tibia. | Their secondary ossification center appears before bih.