Advanced Heart Quiz

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

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

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

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

Q3. Which vein runs in the anterior interventricular sulcus?

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

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

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

Q5. Where is the fossa ovalis located?

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

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

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

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

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

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

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

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

• Pericardium
• Endocardium
• Epicardium
• Myocardium

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

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