Advanced Primary Bronchi Quiz

Q1. What is the right superior lobar bronchus called because of its relation to the pulmonary artery?

• Eparterial bronchus
• Segmental bronchus
• Terminal bronchus
• Hyparterial bronchus

Q2. What is the continuation of the right main bronchus below the superior lobar bronchus called?

• Terminal bronchiole
• Lingular bronchus
• Bronchus intermedius
• Carina

Q3. The bronchus intermedius divides into which bronchi?

• Middle and inferior lobar bronchi
• Two superior lobar bronchi
• Superior and inferior lobar bronchi
• Superior and middle lobar bronchi

Q4. Why is the left primary bronchus more horizontal than the right?

• It passes through the diaphragm
• It arises from the aortic arch
• It lacks cartilage
• It has a longer, more oblique course

Q5. Which structure lies posterior to both primary bronchi near the tracheal bifurcation?

• Right ventricle
• Thymus
• Sternum
• Esophagus

Q6. Which nerves pass posterior to the lung roots and primary bronchi?

• Phrenic nerves
• Vagus nerves
• Hypoglossal nerves
• Accessory nerves

Q7. Which nerves pass anterior to the lung roots rather than posterior to the primary bronchi?

• Greater splanchnic nerves
• Phrenic nerves
• Vagus nerves
• Recurrent laryngeal nerves

Q8. Why is the carina clinically important during bronchoscopy?

• It marks the pleural reflection
• It marks the pulmonary valve
• It marks the main bronchial bifurcation
• It marks the aortic hiatus

Q9. Which primary bronchus is more directly aligned with the tracheal lumen?

• Neither bronchus
• Left primary bronchus
• Right primary bronchus
• Both equally

Q10. An endotracheal tube advanced too far most commonly enters which bronchus?

• Left inferior lobar bronchus
• Left primary bronchus
• Left superior lobar bronchus
• Right primary bronchus