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1. A 65-year-old man complained of worsening dyspnea on exertion over a 6-month period. A lung biopsy was done because of changes seen on chest imaging. The pathology report states that the thickness of the thin side of the blood-gas barrier is greater than 0.8 μm in most of the alveoli.Which of the following would you expect?A. Decreased rate of diffusion of oxygen into the pulmonary capillariesB. Increase in volume of individual red cellsC. Increased risk of rupture of the blood-gas barrierD. Slower diffusion of gas from the distal airways to the alveoliE. Decreased alveolar surfactant concentrations
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