The mind of a 4 year old

Katie had to go to the doctor's office today. It seems like our particular office causes Katie to have an extra dash of creativity...

Nurse walks in the room
Katie: Mommy, is that the doctor?
Mommy: No, that was the nurse
Katie: Mommy, you are a nurse.
Mommy: Remember, Mommy is a pharmacist.
Katie: But you nurse Carter.