Ventral tegmental area - Study guides, Class notes & Summaries

Addiction is characterized by what? - Answer- impulsive drug craving, seeking & use that persists even in the face of negative consequences. What parts of the brain are involved in the reward pathway? - Answer- the ventral tegmental area (VTA), nucleus accumbens & pre-frontal cortex. When activated by a rewarding stimuli, information travels from the VTA to the nucleus accumbens and then up to the prefrontal cortex. All drugs that lead to addiction increases: - Answer- dopamine in the ve...

NURS 660 Exam 1 Study Guide 2023. Pathways in schizophrenia  Brain imaging shows cerebral atrophy and enlarged fluid filled ventricles, as well as shrinkage in prefrontal cortex, temporal, basal ganglia, and limbic regions like hippocampus.  Five dopamine pathways in the brain. The neuroanatomy of dopamine neuronal pathways in the brain can explain the symptoms of schizophrenia as well as the therapeutic effects and side effects of antipsychotic drugs. Know different pathways in th...

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...

Nicotine is found in _________________ tobacco Nicotine Pharmacokinetics: Route of Administration Metabolized by Metabolite Half-life inhalation CYP2A6 Cotinine 2 hours Although nicotine is readily absorbed, only about _______% of the nicotine in an average cigarette actually makes it into the bloodstream. 20 Because cigarettes contain, on average, about ______ mg of nicotine, smokers only take in about _________ mg of nicotine per cigarette. This is fortunate, as nicotine is a very poi...

What factors decrease renal clearance? Correct Answer-Kidney Disease NSAIDs Hydrochlorothiazide ACE Inhibitors ("Prils") What psychotropic is mainly excreted in the kidneys? Correct Answer-Lithium Gabapentin What makes adults more sensitive to psychotropics? Correct Answer-Decreased intracellular water Decreased protein binding (drugs dont have protein to bind to, free floats in blood stream) Low muscle mass Increased body fat Where is Norepinephrine produced? Correct Answer-Lo...

Final Exam: NSG527/ NSG 527 (Latest 2024/ 2025) Psychopathology, Theories, and Advanced Clinical Modalities |Exam Questions and Verified Answers| 100% Correct| Grade A Q: CNS is composed of and a. Afferent neurons, neurotransmitters b. Autonomic, peripheral nervous system c. Brain and spinal cord d. Oligodendrocytes. Afferent neurons Answer: c. Brain and spinal cord Q: What is not true about the definition of resilience a. Ability to recover from set...

Substance Use Disorder → Occurs when the recurrent use of a substance, such as alcohol or drugs, causes clinically significant impairment, including health problems, disability, or failure to meet responsibilities at home, work, or school. When does drug use typically begin? → Adolescence Common Comorbidities of substance use disorder → Anxiety disorders → depression → bipolar disorder → psychotic illness → borderline personality disorder → antisocial personality...

MH701 Exam 3 Questions With Solutions Addiction is characterized by what? impulsive drug craving, seeking & use that persists even in the face of negative consequences. What parts of the brain are involved in the reward pathway? the ventral tegmental area (VTA), nucleus accumbens & pre-frontal cortex. When activated by a rewarding stimuli, information travels from the VTA to the nucleus accumbens and then up to the prefrontal cortex. All drugs that lead to addiction increases: dopamin...

Which of the following medications are known as selective serotonin re-uptake inhibitors (SSRIs)? i. Nortriptyline ii. Citalopram iii. Duloxetine iv. Fluoxetine v. Venlafaxine vi. • Question 3 Which disease state of a non-adherent patient is at greater risk for substance use, violence, and victimization as well as worse overall quality of life? Schizophrenia Response Feedback: “Moreover, non-adherent patients with schizophrenia are at greater risk for substance use, violence, ...

MH701 Exam 3 Modules 6-8 Questions And Answers What 2 parts of the brain are affected by drug use? 1) Limbic system Lizard brain 2) Cortex (Prefrontal) Wizard brain What are the parts of the reward pathway in the brain? 1)the ventral tegmental area (VTA), 2)the nucleus accumbens, and 3) the prefrontal cortex. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:04 / 0:15 Full screen What is the neurotranmitter involved with add...