Q. In the coronary circulation: (Solved)
1. the commonest arterial pattern is that of ‘left dominance’
2. the sinoatrial nodal artery arises from the left coronary artery in almost half the population
3. the anterior cardiac veins drain the left ventricle
4. the coronary sinus drains into the left atrium
5. the right coronary artery arises from the posterior aortic sinus
- b. the sinoatrial nodal artery arises from the left coronary artery in almost half the population