The nurse receives new orders for multiple clients. Which order should be the nurse's priority?

Nitroglycerin 0.4 mg sublingually STAT for the client experiencing chest pain.

Lorazepam 2 mg IV now for the client experiencing restlessness and picking at tubing.

Morphine sulfate 4 mg IV now for the client experiencing incisional pain.

One unit packed red blood cells STAT for the client with hemoglobin of 9.5 g/dL.