22. The Respiratory System
Law of Partial Pressure
22. The Respiratory System
Law of Partial Pressure
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- 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?
278views6rank - Textbook QuestionWhich of the following determines the direction of gas movement? a. solubility in water, b. partial pressure gradient, c. temperature, d. molecular weight and size of the gas molecule.339views
- Multiple ChoiceThe movement of air into and out of the lungs is called __________.1699views
- Textbook Question
Henry's law states that the degree to which a gas dissolves in a liquid is determined by its:
a. partial pressure.
b. solubility.
c. surface tension.
d. Both a and b are correct.
e. All of the above are correct.
259views - Textbook QuestionWhat three integrated steps are involved in external respiration?297views
- 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.1408views
- Textbook Question
You and a friend are having a contest to see who can hold his or her breath the longest. Your friend hyperventilates before holding his breath, and subsequently wins the contest. Why did hyperventilation give him an advantage?
265views - 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.1569views4rank