Respiratory Quiz #19, Flow Volume Loops  

 

Question 1 of 5

1. A 65-year-old male with a history of smoking presents with difficulty breathing and a chronic productive cough. His pulmonary function tests reveal a decrease in FEV1/FVC ratio but an increase in total lung capacity. Which of the following patterns is most likely observed on his flow-volume loop? 

Question 1 of 5

Question 2 of 5

2. A 25-year-old female presents with a history of difficulty breathing during exercise and a sensation of "not getting enough air" while singing. Physical examination and imaging do not reveal any structural abnormalities. Her flow-volume loop is most likely to show a pattern consistent with which of the following conditions?

Question 2 of 5

Question 3 of 5

3. A 70-year-old man, with a past medical history significant for hypertension and diabetes, presents with shortness of breath. A spirometry test is performed, showing a reduced FEV1/FVC ratio and a "tall and narrow" flow-volume loop. Which of the following is the most likely diagnosis? 

Question 3 of 5

Question 4 of 5

4. An 8-year-old child presents to the clinic with a history of recurrent pneumonia and a barking cough. A flow-volume loop is suggestive of a fixed obstruction. Which of the following is the most likely location of the obstruction? 

Question 4 of 5

Question 5 of 5

5. A patient undergoing evaluation for lung transplantation has a flow-volume loop that demonstrates a severe reduction in both inspiratory and expiratory flow rates, with a more pronounced effect on inspiration. This pattern is most indicative of which of the following? 

Question 5 of 5


 

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