NURS 5357 NEUROBIOLOGY EXAM 3
COMPREHENSIVE TEST BANK 2026
DETAILED QUESTIONS AND ACCURATE
SOLUTIONS GRADED A+
⩥ Briefly explain the dopamine hypothesis of the positive and negative
symptoms of schizophrenia.
Answer: The dopamine hypothesis of schizophrenia consists of:
There is too much dopamine activity in the mesolimbic dopamine
pathway, which leads to positive symptoms (such as hallucinations and
delusions).
There is also too little dopamine activity in the mesocortical dopamine
pathway, which leads to negative symptoms (such as blunting of affect,
poverty of speech, anhedonia, and so on).
⩥ What pathway is responsible for regulating dopamine in the
hypothalamus and affects the release of prolactin?
Answer: Tuberoinfundibular pathway
⩥ Drug-induced Parkinson's is caused by a decrease of dopamine in
what pathway?
Answer: Nigrostriatal pathway
, ⩥ Brodmann's areas are differentiated by the:
Answer: Cellular architecture
⩥ All of the following are true about the hippocampus except that it:
Answer: Is disrupted by frontal lobotomy
⩥ Which of the following statements is true about the cerebellum:
Answer: Has been implicated in autism.
⩥ Cytokines are involved with all of the following except:
Answer: identifying T. pallidum
⩥ Which of the following is a possible explanation for schizophrenia:
Answer: Excessive pruning
⩥ Possible explanations for the role of thyroid hormone in mood
disorders include all of the following except:
Answer: Changes in GR's
⩥ All of the following are plausible theories on the etiology of
schizophrenia except?
Answer: Dopamine hypothesis
COMPREHENSIVE TEST BANK 2026
DETAILED QUESTIONS AND ACCURATE
SOLUTIONS GRADED A+
⩥ Briefly explain the dopamine hypothesis of the positive and negative
symptoms of schizophrenia.
Answer: The dopamine hypothesis of schizophrenia consists of:
There is too much dopamine activity in the mesolimbic dopamine
pathway, which leads to positive symptoms (such as hallucinations and
delusions).
There is also too little dopamine activity in the mesocortical dopamine
pathway, which leads to negative symptoms (such as blunting of affect,
poverty of speech, anhedonia, and so on).
⩥ What pathway is responsible for regulating dopamine in the
hypothalamus and affects the release of prolactin?
Answer: Tuberoinfundibular pathway
⩥ Drug-induced Parkinson's is caused by a decrease of dopamine in
what pathway?
Answer: Nigrostriatal pathway
, ⩥ Brodmann's areas are differentiated by the:
Answer: Cellular architecture
⩥ All of the following are true about the hippocampus except that it:
Answer: Is disrupted by frontal lobotomy
⩥ Which of the following statements is true about the cerebellum:
Answer: Has been implicated in autism.
⩥ Cytokines are involved with all of the following except:
Answer: identifying T. pallidum
⩥ Which of the following is a possible explanation for schizophrenia:
Answer: Excessive pruning
⩥ Possible explanations for the role of thyroid hormone in mood
disorders include all of the following except:
Answer: Changes in GR's
⩥ All of the following are plausible theories on the etiology of
schizophrenia except?
Answer: Dopamine hypothesis
