Answer:
Ask the patients daughter for history.
Explanation:
As an elderly female fell and is now confused and it is becoming difficult to get her past medical history than the next best option should be asking her daughter to provide the medical history of her mother because medical history helps in identifying the probable reason for the problem of the patient.
It also helps in giving the right treatment to the patient because many medicines can not be given without knowing the past medical history of the patient. Therefore asking her daughter of providing the past history is the right action.