A teenager is admitted to the ED after being alternately hyperalert and difficult to arouse. The symptoms started within the last few hours, during which time he became disoriented, confused, and delusional. These symptoms support the diagnosis of:
a. Amnesia
b. Delirium
c. Dementia
d. Depression
ANS: B
The symptoms are indicative of delirium. The other options are not supported by the scenario.
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