HY USMLE Q #949 – Pulmonary

A 34-year-old woman who is an impatient at a local hospital is enrolled in a research study. As part of the study, her medical history is blinded. Spirometry is performed. Flow rate (L/s) is on the y-axis; volume of air (L) is on the x-axis. She has no family history of pulmonary disorders. Which of the following is the most likely explanation for these findings?

  Asthma
  Chronic bronchitis
  Emphysema
  Interstitial fibrosis
  Sarcoidosis

One Comment on “HY USMLE Q #949 – Pulmonary”

  1. Hi Dr Mike,

    I came across your stuff recently and find it very interesting and this is to let you know that I am just starting to prepare based on your recommendations, tips, and suggestions. I will take step 1 in April/2024 and will let you know how it goes.
    You are doing a great job and keep up your good stuff!

    Sincerely,
    Fekade

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