An Elderly Female Patient Has Come to the Clinic for a Scheduled

An elderly female patient has come to the clinic for a scheduled follow-up appointment. The nurse learns from the patients daughter that the patient is not following the instructions she received upon discharge from the hospital last month. What is the most likely factor causing the patient not to adhere to her therapeutic regimen?

A) Ethnic background of health care provider
B) Costs of the prescribed regimen
C) Presence of a learning disability
D) Personality of the physician