Exam 26: Structure and Function of the Pulmonary System

Pulmonary function tests reveal that an 80-year-old dyspneic patient has an increase in residual volume.A nurse suspects the most likely cause of the increased residual volume is _____ in lung compliance.

What physiology is present at the base of the lungs?

While auscultating a patient's lungs, a nurse recalls the alveoli in the apices of the lungs are _____ than alveoli in the bases.

A patient asks how oxygen is transported in the body.The nurse's best response is that most oxygen (O₂)is transported:

A nurse remembers the majority of total airway resistance occurs in the:

Which structures may be found in the walls of the respiratory bronchi? (select all that apply)

In a patient with acidosis, the nurse would expect the oxyhemoglobin dissociation curve to shift:

At sea level, the partial pressure of oxygen is approximately ___% (round to the nearest whole number).

One of the functions of the pulmonary system is the:

Diffusion of respiratory gases takes place at the:

Surfactant facilitates alveolar distention and ventilation by:

What term is used to describe receptors that respond to increased pulmonary capillary pressure?

The nurse is describing the slit-shaped space between the true vocal cords.What term should the nurse use?

The nurse is describing the receptors in the lung that decrease ventilatory rate and volume when stimulated.Which receptors is the nurse discussing?

During inspiration, muscular contraction of the diaphragm causes air to move into the lung.The mechanism that drives air movement during inspiration results in a(n):

Which of the following terms should the nurse use when there is a balance between outward recoil of the chest wall and inward recoil of lungs at rest?

A patient involved in a motor vehicle accident experiences a severe head injury and dies as a result of the loss of respirations.The nurse suspects the area of the brain most likely damaged is the:

____% of oxygen (O₂)enters the bloodstream bound to hemoglobin.

What nerve provides the lungs with parasympathetic innervation?

Under most circumstances, increased work of breathing results in: