Once air enters the lungs, oxygen and carbon dioxide are exchanged across the respiratory membrane composed of the alveolar and pulmonary capillary walls in a process called:

The instructional note found under L58, Radiodermatitis, instructs coders to use an additional code to identify the:

a. source of the radiation. b. drug. c. underlying disease. d. substance.

Some common traits to all PEA, regardless of the etiology, is severe hypoxia and acidosis resulting in global ____________________.

Fill in the blank(s) with the appropriate word(s).