Alcohol use produces negative reinforcement by

In trying to make a differential diagnosis between delirium and dementia, which of the following would be accurate?

a. Delirium has a stable, rather than fluctuating, course. b. Delirium often involves hallucinations, but dementia rarely does. c. With delirium, one has consistently poor insight, but with dementia, there are often insightful periods. d. Sleep is more disturbed with dementia than it is with delirium.

Syntactical rules are

a. the patterns of rhythm and emphasis used by a speaker. b. principles for understanding contextual variations in the perception of phonemes. c. principles for combining words to form phrases, clauses, or sentences. d. conventions that people have formally agreed to follow so that they can be understood when speaking or writing symbolically. e. rules for establishing the meaning of words and phrases.