medium · MCAT chem-phys
A scuba diver at 30 meters depth (4 atm total pressure) breathes air with a P_N2 of roughly 3.2 atm.
According to Henry's Law, what happens to the nitrogen in their blood compared to at the surface (1 atm total pressure)?
- Nitrogen forms small, visible bubbles in the diver's bloodstream while at depth
- The P_N2 in the lungs decreases until it matches the nitrogen level of surface blood
- The nitrogen gas becomes progressively less soluble in plasma as ambient pressure increases with depth
- The concentration of dissolved nitrogen in the blood increases proportionally to the pressure
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