Pulmonary fibrosis
A. decreases elasticity, thereby increasing resistance and decreasing airflow.
B. decreases elasticity, thereby decreasing both resistance and airflow.
C. increases elasticity, thereby decreasing resistance and increasing airflow.
D. increases elasticity, thereby increasing resistance and decreasing airflow.
Answer: A
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A. Metabolic water B. Preformed water
During exhalation of the first breath, the lungs do not collapse completely again in a newborn infant because
A) the incoming air is warmed by the upper portion of the respiratory tract, and this causes the lung tissues to expand and remain larger in size than previously, even when emptied of air. B) surfactant covering the alveolar surfaces prevents their collapse. C) exhalation is never as forceful as is inhalation. D) cartilages and connective tissues keep the conducting passageways closed. E) None of the answers are correct.
The digestion of complex carbohydrates into monosaccharides is an example of ________.
A. absorption B. catabolism C. anabolism D. synthesis
Which of the following is NOT a waste product normally found in urine?
ammonia glucose creatinine urea