Advanced Middle Mediastinum Quiz

Q1. Which structure separates the phrenic nerve from the lung?

• Parietal peritoneum
• Endocardium
• Mediastinal pleura
• Visceral pericardium

Q2. Which vessels accompany the phrenic nerves through the thorax?

• Pericardiacophrenic vessels
• Superior epigastric vessels
• Coronary vessels
• Azygos vessels

Q3. From which artery does the pericardiacophrenic artery usually arise?

• Pulmonary artery
• Descending thoracic aorta
• Internal thoracic artery
• Coronary artery

Q4. Which structure is superior to the left pulmonary artery at the left lung root?

• Left superior pulmonary vein
• Left main bronchus
• No main bronchus
• Left inferior pulmonary vein

Q5. On the right side, which bronchus lies superior to the right pulmonary artery?

• Right inferior lobar bronchus
• Left main bronchus
• Right middle lobar bronchus
• Right superior lobar bronchus

Q6. Which pulmonary vessel is usually the most anterior structure in a lung root?

• Inferior pulmonary vein
• Main bronchus
• Pulmonary artery
• Superior pulmonary vein

Q7. Which pulmonary vessel is typically the lowest structure in the lung root?

• Pulmonary artery
• Inferior pulmonary vein
• Main bronchus
• Superior pulmonary vein

Q8. Which pericardial sinus lies posterior to the ascending aorta and pulmonary trunk?

• Costodiaphragmatic recess
• Costomediastinal recess
• Transverse pericardial sinus
• Oblique pericardial sinus

Q9. Which pericardial sinus lies posterior to the left atrium?

• Transverse pericardial sinus
• Superior sagittal sinus
• Oblique pericardial sinus
• Coronary sinus

Q10. Which statement best defines the middle mediastinum?

• Region above the transverse thoracic plane
• Space between sternum and pericardium only
• Compartment containing pericardium and heart
• Space between pericardium and vertebral column