What is the normal average inspiratory capacity (IC)?

Which of the following breathing patterns is a common signal of respiratory distress and possible ventilatory failure?

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?