Exam 15: The Respiratory System

The right primary bronchus branches into ____________________ secondary bronchi,and the left primary bronchus branches into ____________________.

The central nervous system (CNS)respiratory centers are located in the:

Two functions of the nasal mucosa are to ____________________ the incoming air and add ____________________.

A breathing rate that could help compensate for metabolic acidosis would be ____ per minute.

The nerves to the diaphragm are called:

The serous membrane that lines the chest cavity is the ____________________.

A breathing rate that could help compensate for metabolic alkalosis would be ____ per minute.

Pulmonary surfactant is produced by:

Inflation of the alveoli is made possible by the presence of ____ within the alveoli.

The visceral pleura is found:

Which of the following statements are true of the upper respiratory tract? (Read carefully and select all of the correct statements.)

Oxygen is released from hemoglobin when the PCO₂ of the surrounding tissues is ____________________.

The part of the pharynx that is an air passageway only is the ____________________.

The airways of the larynx and trachea are kept open by:

Intrapleural pressure is the pressure:

Severe respiratory acidosis will cause the blood pH to fall below ____________________.

A blood pH of 7.48 indicates:

The strongest stimulus for breathing is blood with a:

The tissue that keeps the larynx and trachea open is ____________________.

In external respiration,carbon dioxide diffuses from the ____________________ to the ____________________.