Exam 4: The Diffusion of Pulmonary Gases

In order,what are the first three layers of the alveolar capillary membrane that an oxygen molecule crosses? I.Liquid lining the intra-alveolar membrane II.Alveolar epithelial cell III.Basement membrane of the alveolar epithelial cell IV.Interstitial space

What is the classic diagnostic sign that verifies that a patient has emphysema rather than other types of chronic obstructive disorders?

Which of the following conditions are indications for HBOT? I.Clostridial gangrene II.Intracranial abcess III.Radiation necrosis IV.Refractory osteomyelitis

What is the normal thickness of the alveolar capillary membrane?

Which gas law is represented by Pᵗᵒᵗᵃˡ= P₁ + P₂ + P₃.... ?

Which law states that the amount of gas that dissolves in a liquid is directly related to the partial pressure of the gas?

Which gas law states that the total pressure exterted by a mixture of gases is equal to the sum of the pressures exerted by each gas in the mixture?

Which of the following pulmonary disorders cause the alveolar-capillary membrane thickness to increase? I.Pulmonary edema II.Scleroderma III.ARDS IV.Pneumonia

What accounts for the change in PO₂ between the atmosphere and alveoli? I.Water vapor pressure in alveolar gas II.PCO₂ is higher in alveolus than in the atmospheric gas III.Higher percentage of N₂ in alveolar gas IV.PB is lower in the alveoli than in the atmosphere