Question
If surfactant is deficient in lungs, what happens-
| A. |
Surface tension decreases, compliances increases
|
| B. |
Surface tension increases, compliance decreases
|
| C. |
Both surface tension & compliance increases
|
| D. |
Both surface tension & compliance decreases
|
Show Answer
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Correct Answer � B
Explanation
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|
Surfactant decreases surface tension and hence increase in lung compliance. Therefore a deficiency of surfactant will cause increase in surface tension and decrease in lung compliance.
It permits lungs to be more easily inflated and increases compliance
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