When Assessing a Client for Tobacco Use, All These Questions

When assessing a client for tobacco use, all these questions can be asked of current tobacco users except one. Which is the one exception?

A) If you smoke, what type and how many times per day
B) If you chew/use snuff, what type? How much?
C) How long do you keep chew in your mouth? ____minutes
D) How many days of the week do you use tobacco?
E) How interested are you in stopping your use of tobacco?
F) Do you have ill-fitting dentures?
G) Have you tried to stop using tobacco before?