When Teal'c goes into the armory for the first time, the label on the door has it spelled "Armoury". The USAF would spell words, on their doors, in their bases, using American English not Canadian English.
Everyone including the medical staff is very afraid for Tealc's life if he continues to be trapped in the virtual reality training scenario. But the most obvious solution never seems to occur to any of them: simply inject Teal'c with a strong but safe tranquilizer.