Gas Exchange & Partial Pressures (Advanced)
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Gas Exchange and Transport
Q. Why does the partial pressure of carbon dioxide rise from 0 to ~ 40 mmHg in the alveoli?
a
It equalizes with the air in the trachea
b
The alveoli have a high metabolic rate
c
Humidified air adds carbon dioxide
d
It equalizes with the systemic mixed venous blood
e
It mixes with the oxygen in the alveoli
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