NFPA® 101® and NFPA® 5000 allow one person for every ___ square feet (m2) of classroom space for an educational assembly

Each lung is surrounded by a thin, saclike structure called the:

A) pleura. B) alveoli. C) clavicle. D) pericardium.

Chest trauma is a common cause of respiratory acidosis, and rapidly leads to death because the:

A. pH level of the blood increases precipitously. B. renal system cannot compensate quickly enough. C. body eliminates CO2 more rapidly than it is produced D. kidneys fail and are unable to normalize the blood's pH