Why Is a Combination of Antipsychotic Agents with Benzodiazepines Useful

Why is a combination of antipsychotic agents with benzodiazepines useful in initial treatment of the agitated patient? (Select all that apply.)

A) Antipsychotics are not effective for 2 days.
B) Benzodiazepines allow for lower dosages of antipsychotic agents to be used,thereby decreasing serious adverse effects seen with high-dose therapy.
C) It assists in calming the psychotic patient.
D) It allows for rapid increase in dosing of the antipsychotic agents to expedite treatment of hallucinations.
E) It effectively treats extrapyramidal adverse effects associated with antipsychotic agents.