PRITE COMPILED
QUESTIONS WITH
COMPLETE
SOLUTIONS, ALREADY
SCORED A+
PRITE
SEPTEMBER 27, 2024
EVATEE
,PRITE COMPILED QUESTIONS WITH
COMPLETE SOLUTIONS, ALREADY SCORED A+
Neural plasticity largely mediated through the capacity to rapidly change in
number and morphology of? Answer - DENDRITIC SPINES
The uncinated fasciculus connects which of the following brain areas? Answer -
ANTERIOR TEMPORAL AND VENTRAL PRE-FRONTAL REGIONS
Abnormal emotional expressions such as pathological laughter or crying caused
by lesions affecting cortical subcortical circuits linking: Answer - CEREBELLUM
FRONTAL CORTEX
and
PONS
Exposure to light effects which brain structure? Answer - SUPRACHIASMATIC
NUCLEUS
Where does the neuron morphology in the brain change the most? Answer -
PREFRONTAL CORTEX
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? [be SPECIFIC] Answer - VENTROMEDIAL HYPOTHALAMUS
What is an accurate statement about the brain's default mode network?
Answer - IS INVOLVED IN REPROCESSING PREVIOUSLY EXPERIENCED STIMULI
,Most likely reason that adults are superior to adolescents in abstract thinking?
Answer - The brain undergoes: SYNAPTIC PRUNING
Dorsal-lateral-pre-frontal cortex plays important role in what activity? Answer -
WORKING MEMORY
Drug abuse activates neuro circuits. Generates signals in the ventral tegmental
area and to where? Answer - DOPAMINE INTO THE NUCLEUS ACCUMBENS
Ninety-five percent of right-handed people develop left hemispheric
dominance for language. What percentage of left handed people develop left
hemispheric dominance for language? Answer - 75%
28 y.o. hospitalized with paranoid delusions, AH, and agitation, tx w/Haldol 5,
pt becomes rigid & mute, in days gets choreiform mvmt, has seizures, gets resp
problems leading to ICU admit. Exam shows ovarian mass. CSF will show
antibodies to? Answer - NMDA RECEPTORS
Role of glycine at NMDA receptor? Answer - OBLIGATE COAGONIST
What is the 5HT3 receptor classification? Answer - LIGAND GATED
Pain by neurogenic inflammation mediated by? Answer - SUBSTANCE P
Unsteady gait, appendicular ataxia in LE only and normal eye movement. Walks
with lurching broad based gait. (8x) Answer - CEREBELLAR DEGENERATION
(ALCOHOLIC)
, 9 y/o F has 3 month h/o seemingly unprovoked bouts of laughter. Worse when
not sleeping well. Pt does not feel happy during these episodes. Started
menstruating 6 months ago, and at Tanner stage 4. Dx? (2x) Answer -
HYPOTHALAMIC HAMARTOMA
Young adult gained 70 lbs in last year c/o daily severe headaches sometimes
associated with graying out of vision. Papilledema present. CT and MRI brain no
abnormalities but ventricles smaller than usual. Goal of treatment in this case:
Answer - PREVENT BLINDNESS
Pt presents with a slowly progressive gait disorder, followed by impairment of
mental function, and sphincteric incontinence. No papilledema or headaches
are reported. Likely diagnosis? (3x) Answer - NORMAL PRESSURE
HYDROCEPHALUS
Tremor with a frequency of around 3 Hz, irregular amplitude, most evident
towards the end of reaching movements: (2x) Answer - CEREBELLAR TUMOR
Ptosis R eye, dilated R pupil, double vision, L-sided hemiparesis, no cognitive
impairment. Where is lesion? (x2) Answer - MIDBRAIN
5 y/o presents w/ sudden onset of slurred speech and gait difficulty. Exam
shows truncal ataxia and nystagmus, mild dysarthria and extensor plantar
responses. Recent h/o measles. MRI, UA, blood work unremarkable. Dx?
Answer - ACUTE CEREBELLITIS
Inability to name obj held in left hand, but not in right hand, indicates lesion in?
Answer - CORPUS CALLOSUM
Increased risk-taking behavior. Where is lesion? Answer - ORBITOFRONTAL
CORTEX
QUESTIONS WITH
COMPLETE
SOLUTIONS, ALREADY
SCORED A+
PRITE
SEPTEMBER 27, 2024
EVATEE
,PRITE COMPILED QUESTIONS WITH
COMPLETE SOLUTIONS, ALREADY SCORED A+
Neural plasticity largely mediated through the capacity to rapidly change in
number and morphology of? Answer - DENDRITIC SPINES
The uncinated fasciculus connects which of the following brain areas? Answer -
ANTERIOR TEMPORAL AND VENTRAL PRE-FRONTAL REGIONS
Abnormal emotional expressions such as pathological laughter or crying caused
by lesions affecting cortical subcortical circuits linking: Answer - CEREBELLUM
FRONTAL CORTEX
and
PONS
Exposure to light effects which brain structure? Answer - SUPRACHIASMATIC
NUCLEUS
Where does the neuron morphology in the brain change the most? Answer -
PREFRONTAL CORTEX
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? [be SPECIFIC] Answer - VENTROMEDIAL HYPOTHALAMUS
What is an accurate statement about the brain's default mode network?
Answer - IS INVOLVED IN REPROCESSING PREVIOUSLY EXPERIENCED STIMULI
,Most likely reason that adults are superior to adolescents in abstract thinking?
Answer - The brain undergoes: SYNAPTIC PRUNING
Dorsal-lateral-pre-frontal cortex plays important role in what activity? Answer -
WORKING MEMORY
Drug abuse activates neuro circuits. Generates signals in the ventral tegmental
area and to where? Answer - DOPAMINE INTO THE NUCLEUS ACCUMBENS
Ninety-five percent of right-handed people develop left hemispheric
dominance for language. What percentage of left handed people develop left
hemispheric dominance for language? Answer - 75%
28 y.o. hospitalized with paranoid delusions, AH, and agitation, tx w/Haldol 5,
pt becomes rigid & mute, in days gets choreiform mvmt, has seizures, gets resp
problems leading to ICU admit. Exam shows ovarian mass. CSF will show
antibodies to? Answer - NMDA RECEPTORS
Role of glycine at NMDA receptor? Answer - OBLIGATE COAGONIST
What is the 5HT3 receptor classification? Answer - LIGAND GATED
Pain by neurogenic inflammation mediated by? Answer - SUBSTANCE P
Unsteady gait, appendicular ataxia in LE only and normal eye movement. Walks
with lurching broad based gait. (8x) Answer - CEREBELLAR DEGENERATION
(ALCOHOLIC)
, 9 y/o F has 3 month h/o seemingly unprovoked bouts of laughter. Worse when
not sleeping well. Pt does not feel happy during these episodes. Started
menstruating 6 months ago, and at Tanner stage 4. Dx? (2x) Answer -
HYPOTHALAMIC HAMARTOMA
Young adult gained 70 lbs in last year c/o daily severe headaches sometimes
associated with graying out of vision. Papilledema present. CT and MRI brain no
abnormalities but ventricles smaller than usual. Goal of treatment in this case:
Answer - PREVENT BLINDNESS
Pt presents with a slowly progressive gait disorder, followed by impairment of
mental function, and sphincteric incontinence. No papilledema or headaches
are reported. Likely diagnosis? (3x) Answer - NORMAL PRESSURE
HYDROCEPHALUS
Tremor with a frequency of around 3 Hz, irregular amplitude, most evident
towards the end of reaching movements: (2x) Answer - CEREBELLAR TUMOR
Ptosis R eye, dilated R pupil, double vision, L-sided hemiparesis, no cognitive
impairment. Where is lesion? (x2) Answer - MIDBRAIN
5 y/o presents w/ sudden onset of slurred speech and gait difficulty. Exam
shows truncal ataxia and nystagmus, mild dysarthria and extensor plantar
responses. Recent h/o measles. MRI, UA, blood work unremarkable. Dx?
Answer - ACUTE CEREBELLITIS
Inability to name obj held in left hand, but not in right hand, indicates lesion in?
Answer - CORPUS CALLOSUM
Increased risk-taking behavior. Where is lesion? Answer - ORBITOFRONTAL
CORTEX
