Final answer:
Physical response to treatment is not directly affected by a person's socioeconomic status, which influences other areas such as health behaviors, healthcare availability, and environmental exposures.
Step-by-step explanation:
The question focuses on identifying which factor is NOT potentially affected by a person's socioeconomic status (SES). While health behaviors, the availability of healthcare, and environmental exposure to illness or toxins are all influenced by SES, the physical response to treatment is less directly affected by socioeconomic factors. Instead, the physical response is more biologically based and can be influenced by a variety of factors including genetics, the patient's unique physiology, and the presence of other conditions but not typically by the direct socioeconomic status of the individual.