Exam 22: The Respiratory System

The lungs are perfused by two circulations: the pulmonary and the bronchial. The pulmonary circulation is for oxygenation of blood. The bronchial circulation supplies blood to the lung structures (tissue).

Figure 22.1Using Figure 22.1, match the following: -Main (primary) bronchus.

The relationship between gas pressure and gas volume is described by .

Jane had been suffering through a severe cold and was complaining of a frontal headache and a dull, aching pain at the side of her face. What regions are likely to become sites of secondary infection following nasal infection?

Tracheal obstruction is life threatening.

Under certain conditions, the vocal folds act as a sphincter that prevents air passage.

The larynx contains _.

In the plasma, the quantity of oxygen in solution is .

Which of the following statements is incorrect?

Which of the following counteracts the movement of bicarbonate ions from the RBC?

Respiratory control centers are located in the .

How will the lungs compensate for an acute rise in the partial pressure of CO₂ in arterial blood?

Complete the following statement using the choices below. Air moves out of the lungs when the pressure inside the lungs is .

A patient with tuberculosis is often noncompliant with treatment. Explain why this may happen.

Which of the disorders below is characterized by destruction of the walls of the alveoli producing abnormally large air spaces that remain filled with air during exhalation?

Which of the following is not an event necessary to supply the body with O₂ and dispose of CO₂?

Strong emotions and pain acting through the limbic system activate sympathetic centers in the hypothalamus, thus modulating respiratory rate and depth by sending signals to the respiratory centers.

Define anatomical dead space. What is the relationship between anatomical and alveolar dead space? Which value is likely to increase during lung pathology?

Which of the following is not possible?

Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by )