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22. The Respiratory System

Law of Partial Pressure

22. The Respiratory System

Law of Partial Pressure

Multiple Choice
How is Henry’s law related to the amount of gas that can be exchanged in the alveoli?
Open Question
Clearly explain the difference between external and internal respiration.
Open Question
What is it about the structure of the alveoli that makes them an ideal site for gas exchange?
Open Question
Why do individuals who are anemic generally not exhibit an increase in respiratory rate or tidal volume, even though their blood is not carrying enough oxygen?
Open Question
What happens to the process of respiration when a person is sneezing or coughing?
Multiple Choice
Which of the following is NOT involved in respiration?
Multiple Choice
Gas A is 40% oxygen and 10% CO₂. It has a total pressure of 500 mm Hg. Gas A is in contact with a with a liquid containing oxygen at a partial pressure of 100 mmHg and CO₂ at a partial pressure of 25 mm Hg. In which direction will O₂ and CO₂ diffuse in this situation?
Multiple Choice
Air in the alveoli is approximately 5.2% CO₂. Given that information along with the total air pressure in the alveoli, which law would allow you to calculate the partial pressure of CO₂?