You have been called for a "drunk" male patient at a halfway house known to provide living quarters to persons with drug and alcohol problems. Residents tell you that the patient is a heavy drinker and must have had too much last night. This morning he was found "passed out" with alcohol on his breath. Quick assessment of the scene reveals the patient to be prone on a dirty bed in a room littered with liquor containers. Aside from the alcohol, which of these observations would be most significant to the EMT?

A) Glucometer on the table
B) Smell of urine in the room
C) Dried vomit on the floor
D) An empty fast-food bag on the bedside table

A) Glucometer on the table