Intermediate Coronary Arteries Quiz

Q1. Which artery supplies much of the anterior interventricular septum?

• Anterior interventricular artery
• Atrial branch
• Right marginal artery
• SA nodal artery

Q2. Which branches of the LAD supply the anterior left ventricular wall?

• Diagonal branches
• Conus branches
• SA nodal branches
• Atrial branches

Q3. Which artery commonly supplies the lateral wall of the left ventricle?

• Conus artery
• Circumflex artery
• Right marginal artery
• SA nodal artery

Q4. Which coronary artery usually supplies most of the right ventricle?

• Right coronary artery
• Circumflex artery
• Left marginal artery
• Left main coronary artery

Q5. Which artery usually gives rise to the posterior interventricular artery in right dominance?

• Pulmonary artery
• LAD artery
• Left coronary artery
• Right coronary artery

Q6. Where does the posterior interventricular artery travel?

• Posterior interventricular sulcus
• Aortic sinus
• Anterior coronary sulcus
• Interatrial groove

Q7. Which coronary artery most commonly supplies the SA node?

• LAD artery
• Left marginal artery
• Right coronary artery
• Posterior interventricular artery

Q8. Which coronary artery most commonly supplies the AV node?

• Left marginal artery
• Right coronary artery
• Diagonal artery
• LAD artery

Q9. What determines coronary arterial dominance?

• Origin of the posterior interventricular artery
• Origin of the SA nodal artery
• Size of the right coronary artery
• Number of diagonal branches

Q10. In left-dominant circulation, which artery gives rise to the posterior interventricular artery?

• LAD artery
• Right marginal artery
• Circumflex artery
• Conus artery