Respiratory Quiz #5, Diaphragm, Respiratory Tree and Lung Anatomy  

1. A 22-year-old man presents to the emergency department after a motor vehicle accident with severe chest trauma. A chest X-ray reveals a ruptured diaphragm. Which part of the diaphragm is most commonly affected in traumatic rupture? 

Question 1 of 6

2. During a thoracic surgery, a surgeon notes the importance of preserving the nerve that courses along the inferior surface of the lung and innervates the diaphragm. This nerve is identified as: 

Question 2 of 6

3. A 55-year-old man with a history of smoking presents with a cough and hemoptysis. A CT scan demonstrates a mass in the right lung, specifically occluding the right middle lobe bronchus. Which of the following structures is most likely compressed or invaded by the tumor?

Question 3 of 6

4. A medical student is reviewing lung anatomy and learns that the pulmonary artery carries:

Question 4 of 6

5. During a pulmonary function test, a patient is asked to forcefully exhale after maximal inhalation. The test measures various parameters of lung function including the volume of the smallest airways. This volume is best represented by which of the following measurements?

Question 5 of 6


Question 6 of 6


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