NU 664 Final Exam (2025/2026) – 100 Verified Questions with Detailed Answers on Developmental Psychology, Neuropsychiatry, Temperament, Depression & Primary Prevention

This NU 664 Final Exam 2025/2026 resource includes 100 professionally verified and clearly explained questions and answers, ensuring high-level preparation for NP students. Developed for academic excellence, this guide is essential for students in Family Nurse Practitioner (FNP), Psychiatric-Mental Health Nurse Practitioner (PMHNP), Pediatric NP, Primary Care NP, and RN-to-MSN/DNP programs who need comprehensive understanding in clinical, developmental, and psychiatric concepts relevant to certification and coursework. Key content areas in this document include: Primary, Secondary, and Tertiary Prevention: Clear differentiation of levels of disease prevention, with practical examples like vaccination (primary), screenings (secondary), and rehabilitation (tertiary). Child and Adolescent Neuropsychiatry: Covers PANS and PANDAS, their diagnostic features and link to neuroinflammatory mechanisms, especially in pediatric populations with acute onset OCD or eating disorders. Attachment Theory and Temperament: Comprehensive breakdown of secure, avoidant, ambivalent, and disorganized attachments, plus temperament classifications (easy, difficult, slow-to-warm-up) and the "Goodness of Fit" model—vital for developmental and behavioral assessments. Erikson’s Stages of Psychosocial Development: Fully detailed from infancy (trust vs. mistrust) through late adulthood (ego integrity vs. despair), helping NP students understand lifespan psychological growth and conflict resolution. Mood Disorders and Neurobiology: Explanation of the neurotransmitters involved in major depressive disorder, including dopamine, serotonin, and norepinephrine. Also includes a clinical overview of serotonin syndrome, its causes (e.g., SSRI + MAOI), and symptom constellation. With this document, learners gain a clinically relevant and theoretically rich review of psychiatric and developmental content. Each answer is clearly justified, making it ideal for exam preparation, concept reinforcement, and board review. Keywords: NU664, final exam, PANS, PANDAS, attachment theory, secure attachment, Erikson stages, temperament, trust vs mistrust, depression, neurotransmitters, serotonin syndrome, primary prevention, secondary prevention, tertiary prevention, mental health nursing, NP board prep, psychiatric disorders, mood disorders, developmental milestones, serotonin, dopamine, norepinephrine