While working in a factory, Terri hears a scream and finds her coworker with a severely injured arm. What should Terri do first to aid her coworker?
O A. Terri should check her coworker's vital signs for irregularities.
O B. Terri should stem the blood flow by applying pressure to the wound.
O C. Terri should place her coworker in a relaxed recovery position.
O D. Terri should check the surroundings for possible dangers.​