If the partial pressure of O2 is 75 inside the blood, and thepartial pressure inside the lungs is 50, oxygen will flow out ofthe lungs.
True/False
Residual volume is also called physiological dead space.
True/False
Which is the first event that occurs during inspiration?
A. The diaphragm moves downward and the external intercostalmuscles move the chest wall up and out.
B. The lungs go inward before they inflate.
C. Intra-Alveolar pressure is decreased.
D. Atmospheric pressure forces air into the lungs.
A tracheostomy allows air to bypass an obstruction.
True/False
The larynx contains the _____.
Stratified squamous epithelium
Ciliated columnar epithelium
Loose connective tissue
Vocal cords
The sensors that detect oxygen levels are found in the carotidarteries and the lungs.
True/False
