NURS 6635 MIDTERM-PMHNP Newly Updated 2023/2024 Exam Elaborations Questions with Answers Explanations guaranteed success rated A+

A Norepinephrine B GABA . C Dopamine . D Acetylcholine Answer: Dopamine Obsessive-compulsive disorder (OCD) is linked to defects in the cortico-striatal-thalamic-cortical (CSTC) circuitry, which may be linked to neurotransmitter dysregulation throughout this network. Serotonin, dopamine, glutamate, and -aminobutyric acid (GABA) are the main neurotransmitters throughout the CSTC. Compulsive behaviors linked to OCD are likely the product of a related dopaminergic reward system dysfunction. Continuous ventral striatum activation may lead to an undirected expectation of reward. Anxiety and a desire to fill the gap are caused by unfulfilled expectations. Step-by-Step explanation References Richter, M. A., De Jesus, D. R., Hoppenbrouwers, S., Daigle, M., Deluce, J., Ravindran, L. N., ... & Daskalakis, Z. J. (2019). Evidence for cortical inhibitory and