Dive Safety Quiz

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9/10. I got the Pee question wrong. I'm sure that in Deco for Divers, it states that part of the reason the body shifts water out of the blood and into the bloodstream is due to the increasing pressure.
When you enter the water and stand waist-deep, the pooled blood in your legs is pushed back up into your torso and starts a chain that triggers the urge, yes. But as far as I know it doesn't get worse with depth ("increasing pressure" in the question).

Jolie Bookspan's "Diving Physiology in Plain English" has great details on this and related internal processes.
 
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