22. The Respiratory System

Why does the diaphragm contract and flatten during inhalation?

Which respiratory therapy involves breathing pure oxygen in a special pressurized chamber?

In human lung physiology, what is the main function of the respiratory system?

Which of the following represents the correct flow of air into the lung of a mammal?

In basic lung physiology, what waste product does the respiratory system primarily excrete during exhalation?

Which of the following does not occur when air enters the lungs?

Which of the following is true about inspiration in lung physiology?

Which of the following best describes tidal volume in lung physiology?

How can the respiratory system compensate for a drop in blood H+ concentrations?

Which of the following correctly lists the two main stages of pulmonary ventilation?

What is the first step a nurse should take when preparing to begin oxygen therapy for a patient?

Why does cold air need to be warmed by the nasal cavity and the sinuses?

Which structures help move air from the trachea into the lungs?

Which one of the following statements about pleural fluid and the pleural cavity is incorrect?

Which factor primarily influences the rate of breathing during voice production?