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
Area of mitral orifice in adults is 
Select and explain. 
A. 6-8 cm2, B. 0.5-2 cm2, C. 4-6 cm2, D. 1-4 cm2
C: 4-6 cm2
Answer: C: 4-6 cm2 
Explanation: The normal area of aoic valve is tz, 3 - 4 cm2 and mitral valve is 4 - 6 cm2Q