Which Statement Accurately Describes Alveolar Exchange of Oxygen

question 144

Multiple Choice

Which statement accurately describes alveolar exchange of oxygen?

• A) Oxygen diffuses from the alveolus to the blood because the alveolus has a higher partial pressure of oxygen.
• B) Oxygen diffuses from the alveolus to the blood because the alveolus has a lower partial pressure of oxygen.
• C) Oxygen diffuses from the blood to the alveolus because the alveolus has a higher partial pressure of oxygen.
• D) Oxygen diffuses from the blood to the alveolus because the alveolus has a lower partial pressure of oxygen.

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