Question 1
The lower respiratory tract includes
◦ all of the bronchial branches and the lungs.
◦ only the trachea.
◦ all of the bronchial branches.
◦ all of the bronchial branches, the lungs, and the trachea.
◦ only the lungs.
Question 2
Pulmonary ventilation refers to the
◦ utilization of oxygen.
◦ movement of dissolved gases from the blood to the interstitial space.
◦ movement of air into and out of the lungs.
◦ movement of dissolved gases from the alveoli to the blood.
◦ movement of dissolved gases from the interstitial space to the cells.