If the circumflex artery gives off the posterior interventricular artery than the arterial supply is called -: (A) Right dominance, (B) Left dominance, (C) Balanced dominance, (D) Undertermined
Answer is B. When a posterior interventricular artery is a branch of the right coronary artery, then it is a right dominance, whereas, if it is given off by the left coronary artery or circumflex artery, then it is a left dominance.