A patient is placed on a 70:30 heliox mixture at a flow of 8 L/min. The actual flow rate going to the patient is ____ L/min

What are the free-wandering phagocytic cells that ingest foreign material in the respiratory zone of the lungs?

a. Alveolar macrophages b. Granular pneumocytes c. Type I cells d. Type II cells

Add the following fractions and mixed numbers. Express answers as a mixed number when possible and in the lowest terms

1/2 + 3/4 + 7/8 = __________ Fill in the blank(s) with correct word