Final answer:
The question of least importance initially when assessing a woman who fell is if she has fallen before, as immediate injury and cause are more critical.
Step-by-step explanation:
The question of least pertinence initially when assessing a responsive 40-year-old woman who fell from a standing position is D. have you fallen before? While a patient's history of falls could be relevant to an overall health assessment, the immediate concern after a fall is to determine if the patient has sustained any injuries or if there was an acute medical cause for the fall, such as fainting. Questions A, B, and C are directly related to assessing the patient's current status and potential injuries or causes - fainting could suggest a cardiovascular or neurological cause, injury to the head could indicate potential brain injury, and the ability to move hands and feet assesses immediate neurological and musculoskeletal function.