A 23-yeаr-оld mаle with knоwn schizоphreniа is brought to the crisis stabilization unit by his parents, who complain that "he is having one of his episodes again". Vital signs and lab work are stable. The patient is admitted to the unit. It is 2 am and the AGACNP is covering the needs of the crisis stabilization unit until the psychiatric team returns at 7 am. What is the most appropriate regimen to stabilize this patient?