Calculating measures of association with ____ rates is the best method.

Barotrauma, subsequent encounter:

a. T70.29XD. b. T70.0XXD. c. T70.1XXD. d. T70.20XD.

In a diving emergency, ___________ occurs when bubbles of gas, especially nitrogen, obstruct the blood vessels.

a. compression sickness b. decompression sickness c. pulmonary sickness d. nitrogen toxicity