Medulla means inner portion

When evaluating a forced vital capacity maneuver postbronchodilator use to determine the re-versibility of any airway obstruction, what percent increase in FEV1 is needed to be able to say the treatment was effective?

a. 5% b. 10% c. 15% d. 20%

Sputum that is clear, white, or grey, called ____, is the combination of mucus (produced by goblet cells) and cellular debris of macrophages and eosinophils.

A. serous sputum B. purulent sputum C. mucoid sputum D. stringy sputum