This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Summit of medial longitudinal arch 
Select and explain. 
A. Calcaneum, B. Talus, C. Navicular, D. Medial Cuneiform
B: Talus
Answer: B: Talus 
Explanation: Summit of medial longitudinal arch is Talus.
Summit of lateral longitudinal arch is Calcaneum.