PSY241 Exam 1 (Ch. 1–3 Summary) – Health Psychology | Theory, Research Methods, Biological Systems | 2025 Review Notes

This expertly verified document is a high-yield summary of Chapters 1 through 3 for PSY241 (Health Psychology), designed for Exam 1 preparation. It covers essential foundational content including the biopsychosocial model, health psychology theory, history of medicine, modern healthcare goals, and health disparities such as the healthy migrant paradox. The notes also outline factors influencing wellbeing, prevention strategies, and U.S. healthcare system goals. In the research section, students are guided through descriptive, experimental, epidemiological, and meta-analysis methods, including how to infer causation, avoid bias, and apply ethical standards. Key definitions such as incidence, prevalence, morbidity, and mortality are clearly explained. Chapter 3 transitions into biological systems, offering a concise yet complete breakdown of the nervous, endocrine, circulatory, immune, digestive, respiratory, reproductive, and integumentary systems. It highlights brain structures and neurotransmitters, hormone pathways, organ system interactions, and introduces genetic principles like epigenetics, genotype vs phenotype, and behavior genetics. Ideal for students in: – Health Psychology (PSY241 or equivalent courses) – Pre-med, psychology, and behavioral health programs – Nursing and allied health fields studying biopsychosocial health models – Anyone preparing for introductory exams on health psychology, anatomy, and medical research methods Keywords: PSY241, health psychology, biopsychosocial model, health disparities, healthy migrant paradox, disease history, prevention strategies, APA goals, research methods, descriptive study, experimental design, epidemiology, meta-analysis, causation criteria, ethics in research, nervous system, brain anatomy, endocrine glands, immune response, circulatory system, digestive system, respiratory pathway, reproductive system, behavior genetics, epigenetics, neurotransmitters, hormones