A person suffers punctures in his chest cavity in an accident without any damage to the lungs. Its effect could be

Cessation of breathing

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Rapid increase in breathing rate

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No change in respiration

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Reduced breathing rate

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Solution

The correct option is A Cessation of breathing
Diffusion of gases during breathing :

Diffusion of gases in our lungs involves their passive (without use of energy) movement from a region of their higher partial pressure to a region of lower partial pressure.

Punctures in chest cavity :

Puncture in the chest cavity (thoracic cavity) leads to the elimination of the pressure gradient which is essential for breathing due to which breathing would cease.

Final answer : d. Cessation of breathing

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Similar questions

A person suffers from punctures in his chest in an accident, without any damage to the lungs. Its effect could be

A person suffers punctures in his chest cavity in an accident, without any damage to the lungs its effect could be

(a) reduced breathing rate

(b) rapid increase in breathing rate

(d) cessation of breathing

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