Which of the following mechanisms is responsible for the creation of the subatmospheric pressure between the lung and chest wall?I. Both lungs and chest wall pull outward.II. The lung has a tendency to recoil inward and pull away from the chest wall.III. The thorax has a tendency to recoil outward, away from the lung.

What is the meaning of a low P50?

Increases in PaO2 above 60 mm Hg do not add much oxygen to the blood.

A patient has a VT of 660 ml and a physiological dead space of 200 ml and is breathing at a frequency of 16/min. What is the alveolar ventilation (VA)?

Which of the following describes Cheyne-Stokes breathing?

Given: PB = 760, PH20 = 47, FIO2 = 0.7, PaCO2 = 50 mmHg. Calculate the PAO2.

Which of the following conditions is characterized by high lung recoil forces?

If a patient has a VT of 350 ml and a respiratory rate of 25 breaths/min, what is the minute ventilation?

What is the interpretation of a decrease in the C(a-v)O2?

Which of the following terms defines the amount of gas the lung contains after a maximal inspiratory effort?