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Question

A mountain climber experiences a nose bleed due to:

A
Decrease in atmospheric pressure
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B
Increase in atmospheric pressure
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C
More gravitational pull
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D
Effect of high altitude
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Solution

The correct option is A Decrease in atmospheric pressure
A mountain climber experiences a nose bleed due to a decrease in atmospheric pressure. The atmospheric pressure decreases with height as the air becomes less dense as we go up in altitude. Thus, the internal body pressure becomes higher than atmospheric pressure causing a nose bleed.

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