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: Medicine
If circumflex aery gives the posterior intervenetricular branch, this circulation is described as: 
Select and explain. 
A. Right dominance, B. Left dominance, C. Codominance, D. Undetermined
B: Left dominance
Answer: B: Left dominance 
Explanation: Answer is B (Left dominance):