After One Week of Continuous Mental Confusion, an Older African

After one week of continuous mental confusion, an older African American client is admitted with a preliminary diagnosis of AD. What should cause the nurse to question this diagnosis?

A) AD does not typically occur in African American clients.
B) The symptoms presented are more indicative of Parkinsonism.
C) AD does not develop suddenly.
D) There has been no T3- or T4-level evaluation ordered.