How is oxygen diffusion affected when pulmonary edema is present?
A. Diffusion is directly related to thickness of the a-c membrane so diffusion will increase
B. Diffusion is indirectly related to thickness of the a-c membrane so diffusion will decrease
C. Diffusion is indirectly related to the thickness of the a-c membrane so diffusion will increase
D. Diffusion is directly related to the thickness of the a-c membrane so diffusion will decrease
Answer: B
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