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NR 507 Week 5 Study Guide – Alterations in Neurobiological Functions (Exam Review)

HEAL100 Health Care — exam and revision material · Other

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Health Care exam material, 30 pages. Originally published on StudyMerit.

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30
Academic year
2025/2026
Language
English

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CHAMBERLAIN UNIVERSITY NR507 WEEK 5 STUDY GUIDE Alterations in Neurobiological Functions eo Comprehensive Review e Exam Study Guide e Focused on Key Concepts

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Introduction to Depression Major depressive disorder is a mood disorder characterized by depressive symptoms that last longer than 2 weeks. Though the exact cause is unknown, depression can be influenced by genetic and environmental factors. Stressful life events, such as giving birth or experiencing emotional trauma, can also impact the development of depression. Recent research has tied depression to decreased activity of the prefrontal cortex (Buelt, 2023). The prefrontal cortex controls attention, memory, mood, and personality. This learning module focuses on disease processes associated with depression and enables you to meet the following course outcomes: « CO 1: Analyze pathophysiologic mechanisms associated with selected disease states across the lifespan. « CO 2: Examine the way in which homeostatic, adaptive, and compensatory physiological mechanisms can be supported and/or altered through specific therapeutic interventions across the lifespan. + CO 3: Distinguish risk factors associated with selected disease states across the lifespan. + CO 4: Integrate advanced pathophysiological concepts in the diagnosis and treatment of health problems in selected populations. Recognizing Depression The nurse practitioner (NP) is discussing a client's reason for seeking care. Which client statements should the NP recognize as being associated with depression? Select all that apply. “Lately, | cannot seem to remember anything without writing it down.”

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“lI have so much more energy these days.” Symptoms of depression can include difficulty making decisions, feeling hopeless and sad, and feeling guilt or self-negativity. Impaired recent and immediate memory or episodes of extreme energy are not associated with major depressive disorders. ricyclic Antidepressants The nurse practitioner (NP) prescribes a tricyclic antidepressant for a client with newly diagnosed major depressive disorder (MDD). Which statement should the NP include when providing client education? “Most clients notice a change in their mood within 36 hours after the first dose.” “Generally, 5-7 days are needed for the medication to start working.” “Your symptoms should improve over the next 3-4 months.” It takes 2 to 4 weeks for tricyclic antidepressants to reach a therapeutic blood level. Within 36 hours and 5 to 7 days are both too short for a therapeutic blood level of the drug to be achieved. Improvement in depression should be demonstrated sooner than 3 to 4 months. Acetylcholine and Mood Which statement best explains how acetylcholine impacts mood? Acetylcholine targets both serotonin and norepinephrine systems. Acetylcholine contributes to normal muscle contraction. Acetylcholine binds to receptors on the presynaptic neuron. Acetylcholine is involved in regulating neural circuits associated with mood and emotion, particularly in brain regions such as the hippocampus and prefrontal cortex. Changes in acetylcholine levels or receptor function in these areas may impact mood regulation and contribute to depressive symptoms.

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