A nurse is caring for a patient who is addicted to alcohol and drugs and is discussing the pathway of the brain responsible for this behavior
The nurse should know that the pathway of the brain thought to be involved in pleasurable sensations and the euphoria resulting from use of drugs is called the:
A) Tuberinfundibular dopamine pathway
B) Nigrostriatal dopamine pathway
C) Mesocortical dopamine pathway
D) Mesolimbic dopamine pathway
Ans: D
Feedback:
The mesolimbic pathway is thought to be involved in pleasurable sensations and euphoria resulting from substance abuse. Deficiencies in the nigrostriatal pathway result in movement disorders (eg, Parkinson's disease) and contribute to certain side effects of antipsychotic medications. The mesocortical pathway is thought to mediate both the negative and cognitive symptoms of psychosis. The tuberoinfundibular pathway regulates prolactin secretion.
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