Final answer:
The correct answer is to keep the patient's head and neck stabilized, tell the patient not to move, and wait for the paramedic unit to arrive at the scene.
Step-by-step explanation:
The correct answer is A. keep the patient's head and neck stabilized, tell the patient not to move, and wait for the paramedic unit to arrive at the scene. In cases where a patient has fallen from a height and there is a suspicion of a back or neck injury, it is important to keep the patient still and avoid moving them. Moving the patient could result in permanent paralysis or other serious complications. Stabilizing the head and neck and waiting for medical professionals to arrive at the scene is the appropriate course of action.