Answer:
One of the main concerns Brittany may have about her doctor using electronic medical records is the risk of her medical information being misused or shared.
Explanation:
In the doctor-patient relationship, one of the most important aspects is the maintenance of the patient's information in secrecy and security, since the medical history is a personal, sensitive and delicate information.
Changing from physical medical records to digital records implies the risk that the information may be lost or accessible to others, who may misuse it. This is a logical concern for a patient, like Brittany, when she knows that her doctor will be using electronic medical records.
The other options are not correct because: