Multiple choice general knowledge science & technology

Sudden change in pressure of which gas in blood causes cramp in deep sea diver coming up abruptly (bends/ decompression sickness/ Caisson disease)?

  1. Nitrogen

  2. Fluorine

  3. Chlorine

  4. Hydrogen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nitrogen dissolved in blood at high pressure forms bubbles when pressure decreases rapidly during ascent, causing decompression sickness (the bends). At deep-sea pressures, more nitrogen dissolves in blood; sudden release allows it to form gas bubbles in tissues and bloodstream.

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