NURS 5357 NEUROBIOLOGY EXAM 4 STUDY
LATEST QUESTIONS WITH ANSWERS (100%
CORRECT ANSWERS)
What do stimulant medications improve in ADHD?— Answer: Impulse control by increasing
dopamine in the nucleus accumbens.
Which brain structure is associated with hyperactive symptoms in ADHD?— Answer:
Prefrontal motor cortex.
What do neurofibrillary tangles consist of?— Answer: Hyperphosphorylated tau proteins.
What happens to tau proteins in Alzheimer's disease?— Answer: They become abnormally
phosphorylated, detach from microtubules, and aggregate into twisted fibers inside neurons.
How is the progression of Alzheimer's disease measured?— Answer: By the development and
progression of neurofibrillary tangles.
What is the most prominent structural brain change related to Alzheimer's disease?—
Answer: Dramatic shrinkage of cortical tissue, known as cortical atrophy.
What findings are associated with Alzheimer's dementia according to Dr. Alzheimer?—
Answer: Cognitive loss, cortical atrophy, plaques outside neurons, and tangles inside neurons.
Which brain structure is associated with cravings?— Answer: Prefrontal cortex.
What are two clinical manifestations of an addicted brain?— Answer: Tolerance and
withdrawal.
What substances are involved in the calming effect associated with pleasure?— Answer:
GABA, endocannabinoids, and opioids.
Which substance is considered the major currency of pleasure?— Answer: Opioids.
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