Respiratory Quiz #20, Obstructive Lung Disease  

1. A 45-year-old man with a 20-year history of smoking presents to the clinic complaining of chronic cough and dyspnea. His pulmonary function tests show a decreased FEV1/FVC ratio with an increase in total lung capacity. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 32-year-old woman presents with episodic wheezing, chest tightness, and shortness of breath that worsens at night. Her symptoms improve with the use of an inhaled bronchodilator. Which of the following is the predominant type of inflammatory cell found in the airways of patients with this condition? 

Question 2 of 5

3. A 58-year-old man with a history of smoking and chronic cough with sputum production for the past 3 months presents to the clinic. He is diagnosed with a form of chronic obstructive pulmonary disease based on his symptoms and spirometry results. This condition is primarily characterized by which of the following pathophysiological features? 

Question 3 of 5

4. A 66-year-old woman with a history of smoking presents with chronic dyspnea and a barrel chest. Pulmonary function tests reveal a markedly decreased diffusing capacity for carbon monoxide (DLCO). This finding is most characteristic of which of the following conditions? 

Question 4 of 5

5. A 40-year-old man presents with a history of recurrent respiratory infections and a productive cough with copious amounts of sputum. A high-resolution CT scan of the chest reveals dilation of the bronchi with thickening of the bronchial walls. Which of the following is the most likely diagnosis? 

Question 5 of 5


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