True b. False 70. The left main bronchus is oriented more vertical than the right main bronchus. True b. False 71. True b. False 72. A certain person has a vital capacity of 4,000 cc, a tidal volume of 500 cc, and expiratory reserve capacity of 2000 cc.
Cells lining the trachea a. are normally cube shaped b.
BOTH a and b d. The lung is covered with parietal pleura. True b. False 76. Dalton's Law of Partial Pressures states that a. the sum of the individual gas pressures in a system equals the square root of the total system pressure. With emphysema, a person's vital capacity would decrease.