"Broca's Aphasia" and "Wernicke's Aphasia" Are Confusing Terms Because

Multiple Choice

"Broca's aphasia" and "Wernicke's aphasia" are confusing terms because

A) the disorders to which they refer rarely, if ever, exist in their pure forms.
B) the disorders to which they refer do not usually result from damage to Broca's and Wernicke's areas, respectively.
C) they are predictions of the Wernicke-Geschwind model rather than common neuropsychological disorders.
D) all of the above
E) none of the above