woman is in a coma.  Nurses are in her room giving her a sponge bath.  One of them is washing her "private area" and, notices that there is a response on the monitor when he touches her.
They go to her husband and explain what happened, telling him, "Crazy as this sounds, maybe a little oral-sex will do the trick and bring her out of the coma."
 
The husband is skeptical, but they assure him that they'll close the curtains for privacy. Besides it's worth a try.
 
The hubby finally agrees and goes into his wife's room.  After a few minutes the woman's monitor flat-lines... no pulse... no heart rate.  The nurses run into the room.  The husband is standing there, pulling up his pants and says, "I think she choked.