A thirty-year-old woman presented with progressive shortness of breath. She denied the use of cigarettes. A family history revealed that her sister had suffered from unexplained lung disease. Which one of the following etiologies most likely explains this patients pulmonary symptoms? A. Deficiency of proline hydroxylase B. Deficiency of α1-antitrypsin C. Deficiency in dietary vitamin C D. Decreased elastase activity E. Increased collagenase activity
Posted on: Tue, 20 Jan 2015 11:46:59 +0000
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