What Type of Change in Pressure Causes the Bends, and Why

Multiple Choice

What type of change in pressure causes the bends, and why?

A) an increase in pressure, because nitrogen rapidly diffuses out of the bloodstream
B) an increase in pressure, because nitrogen rapidly dissolves into the bloodstream
C) a decrease in pressure, because nitrogen rapidly diffuses out of the bloodstream
D) a decrease in pressure, because nitrogen slowly dissolves into the bloodstream
E) The bends is not a result of pressure changes.