The nasal mucosa produces about 1 ________ per day of mucus, which is used to moisten the air moving through the nose and to trap pollen, dust, and other foreign matter traveling through the nose

A(n) ________ modifies a noun or pronoun, usually answering the questions: Which one? What kind? How many?

a. noun b. pronoun c. verb d. adjective

The presence of surfactant in the alveoli tends to do which of the following?

a. Decrease compliance b. Decrease surface tension c. Increase elastance d. Increase resistance