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Questions and Answers
What does Fick’s law of diffusion state?
What does Fick’s law of diffusion state?
- Gas diffuses through a sheet of tissue at a rate directly proportional to tissue thickness and pressure differential of gas on each side of the membrane
- Gas diffuses through a sheet of tissue at a rate inversely proportional to tissue area, diffusion constant, and pressure differential of gas on each side of the membrane
- Gas diffuses through a sheet of tissue at a rate inversely proportional to tissue thickness and pressure differential of gas on each side of the membrane
- Gas diffuses through a sheet of tissue at a rate directly proportional to tissue area, diffusion constant, and pressure differential of gas on each side of the membrane (correct)
What is the minute ventilation (Ve) equation?
What is the minute ventilation (Ve) equation?
- Ve = breathing rate - tidal volume
- Ve = breathing rate + tidal volume
- Ve = breathing rate x tidal volume (correct)
- Ve = breathing rate / tidal volume
What does the term 'anatomic dead space' refer to?
What does the term 'anatomic dead space' refer to?
- Air in each breath that doesn’t enter alveoli and therefore doesn’t participate in gas exchange (correct)
- Ratio of alveolar ventilation to pulmonary blood flow
- Portion of inspired air that reaches alveoli and participates in gas exchange
- Pressure differential between gas above fluid and gas dissolved in fluid
According to Henry’s law, what governs gas diffusion into a fluid?
According to Henry’s law, what governs gas diffusion into a fluid?
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What is one function of OxyHb (Oxyhemoglobin)?
What is one function of OxyHb (Oxyhemoglobin)?
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