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
Cardiac dominance is based on 
Select and explain. 
A. Anterior interventricular aery, B. Posterior interventricular aery, C. Circumflex aery, D. None of the above
B: Posterior interventricular aery
Answer: B: Posterior interventricular aery 
Explanation: Cardiac dominance is based on the aery giving the posterior interventricular branch B D CHAURASIA&;S HUMAN ANATOMY UPPER LIMB THORAX-VOLUME1 SIXTH EDITION,Page no-265