Formal Tests to Assess Symptoms of Neurocognitive Disorders, Especially a Screening

Formal tests to assess symptoms of neurocognitive disorders, especially a screening questionnaire that indicates delirium or dementia, are often

A) memory scale tests like the WMS and Adult Intelligence Scales.
B) pre-dementia task orientation and nonverbal subtests.
C) simple arithmetic and verbal repetition.
D) client self-identification of problems and others' reports.