Exam 35: Structure and Function of the Pulmonary System

Hypoventilation that results in the retention of carbon dioxide will stimulate which receptors in an attempt to maintain a normal homeostatic state?

Which describes the pressure in the pleural space?

Surfactant produced by type II alveolar cells facilitates alveolar distention and ventilation by which mechanism?

What does the pathophysiology student learn about the respiratory process referred to as remodeling? (Select all that apply.)

Stretch receptors and peripheral chemoreceptors send afferent impulses regarding ventilation to which location in the brain?

A healthcare professional wants to determine the adequacy of a person's alveolar ventilation. What assessment finding is most important for the professional to consider?

The student asks the professor to explain what characteristic is demonstrated by lungs with decreased compliance?

A healthcare professional who works in a senior center knows about the effects of aging on the pulmonary system, which include which of these? (Select all that apply.)

When an individual aspirates food particles, where would the healthcare professional expect to hear decreased or absent breath sounds?

If a patient develops acidosis, the nurse would expect the oxyhemoglobin dissociation curve to react in which manner?

How low must the partial pressure of arterial oxygen (PaO₂) drop before the peripheral chemoreceptors influence ventilation?

What event is characteristic of the function in Zone 1 of the lung?

Which normal physiologic change occurs in the aging pulmonary system?

The lung is innervated by the parasympathetic nervous system via which nerve?

Air passage among alveoli is collateral and evenly distributed because of the function of which structures?

Which term is used to identify the movement of gas and air into and out of the lungs?

Which receptors are located in the aortic bodies, aortic arch, and carotid bodies?

What is the most important cause of pulmonary artery constriction?

How is most of the oxygen in the blood transported?

What pulmonary defense mechanism propels a mucous blanket that entraps particles moving toward the oropharynx?