Mesolimbic pathway Study guides, Class notes & Summaries

dopamine hypothesis - ANSWER the theory that schizophrenia results from excessive activity of the neurotransmitter dopamine What is the path of dopamine suppression by 5-HT? - ANSWER 5-HT2A antagonism by atypical antipsychotics decrease serotonin release, thereby stimulating downstream dopamine. Increased dopamine reduces glutamate which inhibits release of inhibitory GABA (inhibits dopamine) Mesolimbic dopamine hypothesis: Hyperactivity of dopamine neurons in the mesolimbic dopamine...

NURS 660 Exam1 LATEST UPDATE 2023 QUESTIONS AND EXPLAINED ANSWERS|AGRADE 1. Identify the emerging neurobiological hypothesis of schizophrenia. o The hypothesis: (focus on the most detail with the Dopamine Theory) The only pharmacological treatment that we have are dopamine (D2 receptors) and serotonin (5HT2A) Dopamine Theory ▪ Hyperactive dopamine at D2 receptors in the mesolimbic pathway In the mesolimbic pathway is responsible for the positive symptoms; the hypoactivity is res...

Exam 4: NURS660/ NURS 660 (NEW 2023/ 2024) Psychopharmacology and Advanced Mental Health Exam |Grade A | Questions and Verified Answers - Maryville Question Why do some people with ADHD abuse cocaine? What MOA does cocaine affect the same as methylphenidate? Answer: they have the same key binding site for the serotonin 2a receptor Question MOA of naltrexone how does it help people come OFF alcohol? Answer: by blocking mu receptors to induce euphoria Quest...

Final Exam: NR546/ NR 546 (Latest 2024/ 2025 Update) Psychopharmacology for the PMHNP Review -Questions and Verified Answers -100% Correct-Grade A-Chamberlain Q: Hallucinogenic intoxication Answer: pupillary dilation, tachycardia, sweating, palpitations, blurred vision, tremors, incoordination Can be perceived as a panic attack and often called a bad trip. Can experience an acute state of confusion (delirium) where the abuser is disoriented and agitated. Q: Disulfiram An...

ANCC PMHNP Exam Prep Question with complete solution 2023mesocortical pathway executive function: attention, focus, depression nigrostriatal pathway from substantia nigra (brainstem) to striatum (muscles): Parkinson's mesolimbic pathway projects to nucleus accumbens (part of limbic system). Pleasure, reward, positive symptoms of schizophrenia: Addiction, gambling Tuberoinfundibular pathway regulation of prolactin (acts on pituitary). Hypersexuality in mania Dopam...

Which of the following is considered the pleasure center of the brain? A. Cortico-striatal-thalamic-cortical loop B. Mesolimbic dopamine pathway C. Mesocortical dopamine pathway D. None of the above - B. Mesolimbic dopamine pathway The reactive reward system signals the immediate prospect of pleasure or pain and triggers drug-seeking behavior. A. True B. False - A. True What role does the amygdala play in substance abuse? A. Releases phasic bursts of dopamine to the nucleus accumbens wh...

Which of the following is considered the pleasure center of the brain? A. Cortico-striatal-thalamic-cortical loop B. Mesolimbic dopamine pathway C. Mesocortical dopamine pathway D. None of the above - B. Mesolimbic dopamine pathway The reactive reward system signals the immediate prospect of pleasure or pain and triggers drug-seeking behavior. A. True B. False - A. True What role does the amygdala play in substance abuse? A. Releases phasic bursts of dopamine to the nucleus accumbens wh...

Indication Target symptoms: state if positive or negative effect Potency (if noted. receptor occupancy if noted ) Neurotransmitter(s) affected Half-life (T1/2), metabolism (CYP 450 enzyme) Notable side effects (associate to pathway or NT) Typical antipsychotics (conventional) Blocks dopamine 2 receptors, reducing positive symptoms of psychosis and possibly combative, explosive, and hyperactive behaviors Blocks dopamine 2 receptors in the nigrostriatal pathway, improving tics and other sympto...

LMR - Georgette's flashcard 2023/2024 LMR - Georgette's flashcard 2023/2024 Terms in this set (526) What drugs should be avoided with Kava Kava? Alprazolam CNS depressants (e.g., phenobarbital, zolpidem) What is the normal range for TSH? 0.5 - 5.0 mu/L What are lab values in Hyperthyroidism Decreased TSH Increased T4 and T3 What are labs in Hypothyroidism? Increased TSH Decreased T4 and T3 Heat intolerance What are 5 primary symptoms of Agitation, Anxiety, Irr...

Which of the following is considered the pleasure center of the brain? A. Cortico-striatal-thalamic-cortical loop B. Mesolimbic dopamine pathway C. Mesocortical dopamine pathway D. None of the above - B. Mesolimbic dopamine pathway The reactive reward system signals the immediate prospect of pleasure or pain and triggers drug-seeking behavior. A. True B. False - A. True What role does the amygdala play in substance abuse? A. Releases phasic bursts of dopamine to the nucleus accumbens wh...