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← Nature & AnimalsWhich outcome occurs when buoyancy control fails during vertical ascents?
A)Increased metabolic activity occurs overall
B)Barotrauma from rapid expansion occurs✓
C)Gas exchange efficiency greatly increases
D)Osmoregulation mechanisms substantially counteract shift
💡 Explanation
Barotrauma occurs because ascent decreases ambient pressure, causing swim bladder volume to rapidly expand due to Boyle's Law. Therefore, tissues rupture due to this rapid expansion of gases, rather than minor shifts, due to metabolic alterations.
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