Check Your Nutri-Sense 1. If you live with someone who smokes, you need extra amounts of this vitamin. a. vitamin D b. vitamin C c. niacin d. vitamin B12 Ans: b. Vitamin C Smoking and extended exposure to secondhand smoke double vitamin C needs. 2. A

Which of the following is not possible? A) Gas flow equals pressure gradient over resistance. B) Pressure gradient equals gas flow over resistance. C) Resistance equals pressure gradient over gas flow. D) The amount of gas flowing in and out of the a

SCI | 250 | Microbiology with Lab |

Answer: B Answer: D Answer: B Answer: B Answer: A Which of the following is not true of the respiratory tract from the medium bronchi to the aveoli? A) Cartilage gradually decreases and disappears at the bronchioles. B) Resistance to air flow increas

SCI | 250 | Microbiology with Lab |