Advanced Heart Quiz

Q1. Which part of the cardiac conduction system has the fastest conduction velocity?

• Bundle of His
• AV node
• Purkinje fibers
• SA node

Q2. What is the anatomical landmark used to locate the mitral valve auscultation point?

• 5th intercostal space, midclavicular line
• 4th intercostal space, right sternal border
• 3rd intercostal space, left midaxillary line
• 2nd intercostal space, left sternal border

Q3. Which vein runs in the anterior interventricular sulcus?

• Middle cardiac vein
• Small cardiac vein
• Great cardiac vein
• Oblique vein of the left atrium

Q4. Which cardiac structure forms most of the anterior surface of the heart?

• Right atrium
• Right ventricle
• Left atrium
• Left ventricle

Q5. Where is the fossa ovalis located?

• Auricle of right atrium
• Interatrial septum
• Interventricular septum
• Aortic wall

Q6. Which nerve primarily innervates the SA and AV nodes?

• Sympathetic cardiac nerve
• Left recurrent laryngeal nerve
• Right vagus nerve
• Right phrenic nerve

Q7. Which coronary artery most commonly gives rise to the posterior interventricular artery?

• LAD artery
• Circumflex artery
• Left coronary artery
• Right coronary artery

Q8. What is the clinical significance of the ligamentum arteriosum?

• Stabilizes pericardial cavity
• Remnant of ductus arteriosus, near left recurrent laryngeal nerve
• Ligament between atria
• Part of coronary circulation

Q9. Which layer of the heart wall is responsible for contraction?

• Endocardium
• Epicardium
• Pericardium
• Myocardium

Q10. Which coronary artery supplies the majority of the interventricular septum?

• Left anterior descending artery
• Right marginal artery
• Posterior interventricular artery
• Circumflex artery