Blood supply of anterior part of interventricular septum is through the branch of –
Correct Answer: Left coronary artery
Description: Ans. is 'b' i.e., Left coronary artery o Left coronary artery suppliesi) Most of left atrium.ii) Most of the left ventricle (except the area adjoining posterior interventricular groove) and small part of right ventricle adjoining anterior interventricular groove.iii) Anterior 2/3 of ventricular septum.iv) Right bundle branch, left bundle branch and in 35% of cases SA node.o Right coronary artery suppliesi) Right atrium, and a part of left atrium.ii) Most of the right ventricle (except the area adjoining the anterior interventricular groove) and small part of left ventricle adjoining posterior interventricular groove.iii) Posterior 1/3 of interventricular septum.iv) Whole conducting system (except right bundle branch and a part of left branch of AV bundle).v) SA node (in 65%).
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