Lawyer is alive without brain

Q: "Doctor, before you performed the autopsy, did you check for a pulse?" 
A: "No." 
Q: "Did you check for blood pressure?" 
A: "No." 
Q: "Did you check for breathing?"
A: "No." 
Q: "So, then it is possible that the patient was alive when you began the autopsy?"
A: "No." 
Q: "How can you be so sure, Doctor?" 
A: "Because his brain was sitting on my desk in a jar." 
Q: "But could the patient have still been alive nevertheless?" 
A: "It is possible that he could have been alive and practicing law somewhere."