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Ninja PRITE Part 1 Questions And Answers Latest Update
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Ninja PRITE Part 1 Questions And Answers Latest Update
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Ninja PRITE Part 1 Questions AndAnswers Latest Update
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? Answer: CEREBELLUM
Mesolimbic DA pathway includes which structure? Answer: VENTRAL
STRIATUM
In addiction, dopaminergic neurons project to nucleus
accumbens. Cell bodies of these neurons reside in
which area of brain? Answer: VENTRAL TEGMENTAL AREA
Neural plasticity largely mediated through the capacity
to rapidly change in number and morphology which fo
the following? Answer: DENDRITIC SPINES
The uncinated fasciculus connects which of the
following brain areas? Answer: ANTERIOR TEMPORAL AND VENTRAL PRE-
FRONTAL
REGIONS
,What are cortical columns? Answer: FUNCTIONAL UNITS FOR INFORMATION
PROCESSING
Abnormal emotional expressions such as pathological
laughter or crying caused by lesions affecting cortical-
subcortical circuits linking frontal cortex, pons and
what? Answer: CEREBELLUM
Exposure to light effects which brain structure? Answer: SUPRACHIASMATIC
NUCLEUS
When does synaptogenesis peak? Answer: FIRST 4 YEARS OF LIFE
Where does the neuron morphology in the brain
change the most? Answer: PREFRONTAL CORTEX
threatening objects produce startle response prior to
person becoming consciously aware. Connection of
thalamus to what? Answer: AMYGDALA
Huntington's disease characterised by loss of neurons
producing which NT Answer: GABA
Adult neurogenesis in which area of the brain? Answer: HIPPOCAMPUS
,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? Answer: VENTROMEDIAL HYPOTHALAMUS
What is an accurate statement about the brain's default
mode network? Answer: IS INVOLVED IN REPROCESSING PREVIOUSLY
EXPERIENCED STIMULI
The most likely reason that adults are superior to
adolescents in abstract thinking. The brain undergoes: Answer: SYNAPTIC
PRUNING
Dorsal-lateral-pre-frontal cortext 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%
, Prostaglandin D2 increases extracellular levels of... Answer: ADENOSINE
Which is a retrograde neurotransmitter? Answer: ENDOCANNABINOIDS
Characteristics of Ach receptors in cerebral cortex Answer: BOTH INHIBITORY
AND EXCITATORY
Neurohormone for social bonding Answer: OXYTOCIN
28 y.o. hospitalized with paranoid delusions, AH, and
agitation, tx w/Haldol 5, pt becomes rigid & mute, in
days gets choreoform mvmt, has seizures, gets resp
problems leading to ICU admit. Exam shows ovarian
mass, CSF will show antibodies to: Answer: NMDA RECEPTORS
Neurotransmitter from responsible for rewarding
nature of drug abuse Answer: DOPAMINE
Role of glycine at NMDA receptor Answer: OBLIGATE COAGONIST
Low CSF levels of this neurotransmitter metabolites is
associated with suicidality? Answer: 5-HYDROXYINDOLE ACETIC ACID (5-
HIAA)
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