An increase in dead space results in
A. a decrease in alveolar ventilation but an increase in pulmonary ventilation.
B. increases in both alveolar and pulmonary ventilation.
C. a decrease in alveolar ventilation but no change in pulmonary ventilation.
D. decreases in both alveolar and pulmonary ventilation.
E. an increase in alveolar ventilation but no change in pulmonary ventilation.
F. an increase in alveolar ventilation but a decrease in pulmonary ventilation.
Answer: C
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