Mesolimbic pathway - Study guides, Class notes & Summaries

How many dopamine pathways in the brain? - Answer - 5 but only 4 associated with schizophrenia Nigrostriatal Dopamine Pathway controls - Answer - motor function and movement (part of EP NS) Nigrostriatal Dopamine Pathway dopamine excess - Answer - Hyperkinetic movements such as tics/dyskinesias mesolimbic dopamine pathway controls - Answer - Pleasure, reward, euphoria of drug abuse and reinforcing behavior Mesolimbic dopamine pathway excess - Answer - delusions and hallucinations - p...

Exam 1: NURS 660/ NURS660 (Latest 2024/ 2025 Update) Psychopharmacology and Advanced Mental Health Review | Qs & As| 100% Correct| Grade A (Verified Answers)- Maryville Q: What is the black box warning of Clozapine Answer: Agranulocytosis Q: What is the most common side effect of clozapine Answer: sedation Q: What labs need to be done before starting clients on antipsychotic medications? Answer: fasting lipid panel, fasting glucose, weight, bp Q: When ...

dopamine hypothesis correct answer: the theory that schizophrenia results from excessive activity of the neurotransmitter dopamine What is the path of dopamine suppression by 5-HT? correct 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 mesolimbi...

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...

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...

dopamine hypothesis - ANSWER the theory that schizophrenia results from excessive activity of the neurotransmitter dopamine dopamine hypothesis- nigrostriatal pathway - ANSWER The nigrostriatal dopamine pathway that projects from the substantia nigra to the basal ganglia or striatum, is part of the extrapyramidal nervous system and controls motor function and movement. Mesolimbic dopamine hypothesis: Hyperactivity of dopamine neurons in the mesolimbic dopamine pathway cause what sympto...

26 y.o. w/HA and R-hand clumsiness for weeks. Exam shows difficulty w/rapid alternating movements of hand, overt intention tremor on finger-to-nose, and mildly dysmetric finger tamping. CNS intact and no papilledema. Where will damage show on MRI? - ANSWERCEREBELLUM Mesolimbic DA pathway includes which structure? - ANSWERVENTRAL STRIATUM In addiction, dopaminergic neurons project to nucleus accumbens. Cell bodies of these neurons reside in which area of brain? - ANSWERVENTRAL T...

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...

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...