Multiple Choice
For air at 25 °C (77 °F) with 100% humidity, what is the partial pressure of oxygen (PO2) in mmHg?
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22. The Respiratory System
Law of Partial Pressure
Back22. The Respiratory System
Law of Partial Pressure
- Multiple ChoiceIn a healthy adult at sea level, the partial pressure of oxygen () in systemic arterial blood is approximately which of the following?29views
- Multiple ChoiceHenry's law states that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture.1969views
- 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?
869views6rank - Multiple ChoiceWhich of the following is NOT involved in respiration?1590views
- Multiple ChoiceHenry's law states that when a gas is in contact with a liquid, that gas will dissolve in the liquid in proportion to its partial pressure.2188views4rank
- Multiple Choice
How is Henry’s law related to the amount of gas that can be exchanged in the alveoli?
1048views10rank - Multiple ChoiceThe movement of air into and out of the lungs is called __________.2558views
- Multiple Choice
Gas A and Gas B are both mixtures separated by a permeable membrane. Gas A contains 40% nitrogen at a partial pressure of 300 mm Hg. Gas B contains 80% nitrogen at partial pressure of 200 mm Hg. Given this information, in which direction do you expect to see a net movement of nitrogen and why?
986views21rank - 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?
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