Final answer:
A health psychologist would assist a patient who has had a heart attack in adjusting to the aftereffects of surgery by focusing on biological, psychological, and sociocultural factors that affect health.
Step-by-step explanation:
The psychologist helping a patient who has had a heart attack adjust to the aftereffects of surgery would be a Health psychologist. Health psychologists focus on how health is affected by biological, psychological, and sociocultural factors, and they help individuals achieve better health through research, education, and intervention. They are interested in exploring the relationship between genetic makeup, behavior patterns, relationships, psychological stress, and health, and they study effective ways to motivate people to address behaviors that contribute to poorer health.