1. 17y/o is evaluated for binge eating associated with a 60 lb weight gain over the past
four months. CT shows a craniopharyngioma that likely disrupts what structure? -
ANS-Ventromedial hypothalamus
2. 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? - ANS-Cerebellum
3. 95% of right handed people develop left hemispheric dominance for language. What
percentage of left handed people develop left hemispheric dominance for language?
- ANS-75%
4. Abnormal emotional expressions such as pathological laughter or crying caused by
lesions affecting cortical- subcortical circuits linking frontal cortex, pons and what? -
ANS-Cerebellum
5. Adult neurogenesis in which area of the brain? - ANS-Hippocampus
6. Dorso-lateral-pre-frontal cortex plays important role in what activity? - ANS-Working
memory
7. Drug abuse activates neuro circuits. Generates signals in the ventral tegmental area
to where? - ANS-Nucleus accumbens. (DA goes there).
8. Exposure to light effects which brain structure? - ANS-Suprachiasmatic nucleus
9. Huntington's disease characterized by loss of neurons producing which NT? -
ANS-GABA
10.In addiction, dopaminergic neurons project to nucleus accumbens. Cell bodies of
these neurons reside in which area of brain? - ANS-Ventral tegmental area
11.Mesolimbic DA pathway includes which structure? - ANS-Ventral striatum
12.Neural plasticity largely mediated through the capacity to rapidly change in number
and morphology which fo the following? - ANS-Dendritic spines
13.The most likely reason that adults are superior to adolescents in abstract thinking is
that the brain undergoes: - ANS-Synaptic pruning
14.The uncinated fasciculus connects which of the following brain areas? - ANS-Anterior
temporal and ventral pre-frontal regions
15.threatening objects produce startle response prior to person becoming consciously
aware. Connection of thalamus to what? - ANS-Amygdala
16.What are cortical columns? - ANS-Functional units for information processing
17.What is an accurate statement about the brain's default mode network? - ANS-It is
involved in re-processing previously experienced stimuli.
18.When does synaptogenesis peak? - ANS-First 4 years of life
19.Where does the neuron morphology in the brain change the most? - ANS-Prefrontal
cortex