Final answer:
The psychosocial model of health used to discuss stress highlights the social environment and psychological factors as key influences on health and illness, signifying the importance of the integrated approach of the biopsychosocial model in health psychology.
Step-by-step explanation:
The psychosocial model of health is used to discuss stress and highlights that health/illness is determined by the interaction of multiple factors including the social environment and psychological factors. Therefore, the correct choice that describes the factors highlighted by the psychosocial model of health used to discuss stress is (A) social environment and psychological factors. This model forms a cornerstone in health psychology, recognizing the pivotal role that social status, control and predictability, resource inequality, cultural influences, as well as stress and emotional factors play in influencing an individual's health.
Health psychology is dedicated to understanding how biological, psychological, and sociocultural factors integrate to affect health and illness. Its purpose is to understand and address the behaviors that might lead to health problems and to devise interventions aimed at promoting healthy lifestyle changes. As such, health psychologists may study how stress levels vary among populations and how these levels impact health risks.