question 1

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question 1

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6 Posts

Tiger1974
Forum Newbie

Topics: 12
Posts: 18

09/12/06 - 03:52 AM

If a resting individual at the sea level doubles his alveolar ventilation what would be his arterial Pco2?

a. same as in the alveoli
b. 120 mm Hg
c. 100 mm Hg
d. 80 mm Hg
e. 40 mm Hg

shamail zia
Forum Newbie

Topics: 0
Posts: 7

09/12/06 - 04:14 AM

I think ans should be the 40mmHg

blueocean
Forum Senior
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Topics: 15
Posts: 195

09/12/06 - 05:50 AM

milrac
Forum Junior

Topics: 5
Posts: 32

09/21/06 - 03:06 AM

how have you come to this answer?plz specify!!!!!!!!!

young_doc
Forum Guru
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Topics: 55
Posts: 732

09/21/06 - 07:18 AM

I guess A because it can't be any of the other answers!

If you hyperventilate, you will be hypocapneic. So pCO2 LESS than 40.

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Slacker
Forum Elite

Topics: 29
Posts: 141

09/21/06 - 07:26 AM

if alveolar ventilation doubles, that means that Pco2 in the alveoli and artery is reduced by half. thus the Pco2 will be 20mm Hg.

Ans A grin

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