This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
Most anteriorly located valve of the hea is 
Select and explain. 
A. Pulmonary, B. Bicuspid, C. Aoic, D. Tricuspid
A: Pulmonary
Answer: A: Pulmonary 
Explanation: .