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What will be the P(O2) and P(CO2) in the...

What will be the `P_(O_2) and P_(CO_2)` in the expired air compared to those in the alveolar air?

A

1. `P_(O_2)` lesser, `P_(CO_2)` higher

B

2. `P_(O_2)` higher, `P_(CO_2)` lesser

C

3. `P_(O_2)` higher `P_(CO_2)` higher

D

4. `P_(O_2)` lesser, `P_(CO_2)` lesser

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