A 26 year old man was brought to a hospital emergency room for evaluation by police. He was mute, immobile, and lying on his back with his arms extended in a bizarre position. His arms could be moved with some force and stayed in the position in which they were placed. The patient would not follow any instructions from the staff. Based on this information, the most likely diagnosis is:
O Major depression with psychotic features
O Paranoid Personality Disorder
O No diagnosis is necessary
O Schizophrenia
O Bipolar disorder, manic phase