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
Sho saphenous vein is a tributary of 
Select and explain. 
A. Lateral marginal vein, B. Posterior tibial vein, C. Medial marginal vein, D. Dorsal venous arch
B: Posterior tibial vein
Answer: B: Posterior tibial vein 
Explanation: B. i.e. Posterior tibial vein