Mental Health Nursing | 25+ Graded Q&A from Chapter 3 | Exam 1 Review 2025/2026

This document presents 25+ NCLEX-style questions and verified answers from Chapter 3: Neurobiology and Mental Health designed for Exam 1 preparation in nursing programs for the 2025/2026 academic year. All questions are already graded A+ and aligned with NCLEX test plans and core psychiatric nursing concepts. Each item includes validated answers with concise explanations. Topics covered include: Neurotransmitters and brain function (Serotonin, Norepinephrine, Dopamine, GABA) Synaptic transmission (sodium/potassium ions, enzymatic breakdown, reuptake) Brain anatomy and function (brainstem, hypothalamus, limbic system) Basic neurophysiology (neuron count, membrane charge, monoamine function) Role of the CNS in behavior, emotion, and sleep Sedative-hypnotic safety and drug timing Anxiolytics and calming neurotransmitters (e.g., Benzodiazepines, GABA) This resource is especially helpful for mastering the biological foundations of mental health, often tested in psychiatric nursing, pharmacology, and health assessment courses. Recommended for: Students in ADN, BSN, or pre-licensure nursing programs Candidates for the NCLEX-RN or NCLEX-PN Courses such as Mental Health Nursing, Psychiatric Nursing, Pharmacology, or Neuroscience for Nurses Students using NinjaNerd, Elsevier, or Evolve test banks and lecture material Institutions where this may apply include: University of Texas at Arlington – College of Nursing University of Illinois Chicago – College of Nursing Chamberlain University University of Florida College of Nursing Community and private nursing colleges using NCLEX-integrated curricula This chapter review helps students connect complex neurobiology to psychiatric nursing care and prepares them for exams focused on mental health, neuroanatomy, and psychopharmacology. Keywords: mental health nursing, neurotransmitters, limbic system, benzodiazepines, brainstem, hypothalamus, serotonin, dopamine, GABA, NCLEX mental health, psychiatric nursing, exam 1 review, synapse, neurobiology for nurses