Answer to Question 1
C
Agnosia is defined as failure to recognize or identify objects despite intact sensory function. Apraxia refers to inability to carry out motor activities. Echolalia is repeating what others say. Amnesia refers to learning and recalling information.
Answer to Question 2
B
Symptoms of hallucinogen use include depersonalization, loss of reality, hallucinations, synesthesia, panic, paranoid thinking, and loss of contact with reality. Data given in the scenario do not support a schizophreniform disorder, formication (abnormal crawling sensations under the skin), or confabulation.