Which of the following statements indicates that the speaker has an accurate understanding of breathing?
a. "When a person inhales, carbon dioxide is drawn into the lungs, and when he exhales, oxygen leaves the body."
b. "Respiration is best described as the process of moving air into and out of the body."
c. "Inhalation is an active process, whereas for most patients exhalation is a passive process."
d. "In between breaths, the epiglottis closes over and protects the trachea."
Answer: c
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high speed film and screens low speed film and screens film badges grids
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