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

reduced breathing rate

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rapid increase in breathing rate

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no change in respiration

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cessation of breathing

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Solution

The correct option is D
cessation of breathing

The movement of air into and out of the lungs is due to the development of a pressure gradient between the lungs and the atmosphere. Punctures in a person's chest could damage the ribs and/or intercostal muscles, and may lead to the loss of the pressure gradient, thereby resulting in cessation of breathing.

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Similar questions

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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