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Reserve Volume/Residual Volume

Residual volu...

Question

Residual volume in the lungs of an average human is?

A

500

ml

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B

3 - 4.5

litres

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C

1000

ml

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D

1200

ml

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Solution

The correct option is C $1200$ ml
Residual volume (RV) is the amount of air that remains in a persons lungs after maximum exhalation.
In other words, this is the volume of air that we cant possibly get out of our lungs, meaning that the lungs are never completely empty of air.
Otherwise, they would collapse as the tissue sticks together.
It is about 1100 ml to 1200 ml.
So, the correct answer is '1200ml'

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