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: Yes, it is possible that he could have been alive and practicing law somewhere.