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Ninja PRITE Part 1 QUESTIONS & ANSWERS 100% CORERCT!!
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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? - ANSWERCEREBELLUM Mesolimbic DA pathway...

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  • October 13, 2024
  • 264
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ninja prite part 1 questions answers 100 corerc
  • ninja prite part 1 stuvia 2024
  • 26 yo wha and r hand clumsiness for weeks exam
  • mesolimbic da pathway includes which structure

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Ninja PRITE Part 1 QUESTIONS &
ANSWERS 100% CORERCT!!

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? - ANSWERCEREBELLUM



Mesolimbic DA pathway includes which structure? - ANSWERVENTRAL STRIATUM



In addiction, dopaminergic neurons project to nucleus

accumbens. Cell bodies of these neurons reside in

which area of brain? - ANSWERVENTRAL TEGMENTAL AREA



Neural plasticity largely mediated through the capacity

to rapidly change in number and morphology which fo

the following? - ANSWERDENDRITIC SPINES



The uncinated fasciculus connects which of the

following brain areas? - ANSWERANTERIOR TEMPORAL AND VENTRAL PRE-FRONTAL

REGIONS



What are cortical columns? - ANSWERFUNCTIONAL 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? - ANSWERCEREBELLUM



Exposure to light effects which brain structure? - ANSWERSUPRACHIASMATIC NUCLEUS



When does synaptogenesis peak? - ANSWERFIRST 4 YEARS OF LIFE



Where does the neuron morphology in the brain

change the most? - ANSWERPREFRONTAL CORTEX



threatening objects produce startle response prior to

person becoming consciously aware. Connection of

thalamus to what? - ANSWERAMYGDALA



Huntington's disease characterised by loss of neurons

producing which NT - ANSWERGABA



Adult neurogenesis in which area of the brain? - ANSWERHIPPOCAMPUS



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? - ANSWERVENTROMEDIAL HYPOTHALAMUS



What is an accurate statement about the brain's default

mode network? - ANSWERIS INVOLVED IN REPROCESSING PREVIOUSLY

EXPERIENCED STIMULI



The most likely reason that adults are superior to

adolescents in abstract thinking. The brain undergoes: - ANSWERSYNAPTIC PRUNING



Dorsal-lateral-pre-frontal cortext plays important role in

,what activity? - ANSWERWORKING MEMORY



Drug abuse activates neuro circuits. Generates signals

in the ventral tegmental area and to where? - ANSWERDOPAMINE 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? - ANSWER75%



Prostaglandin D2 increases extracellular levels of... - ANSWERADENOSINE



Which is a retrograde neurotransmitter? - ANSWERENDOCANNABINOIDS



Characteristics of Ach receptors in cerebral cortex - ANSWERBOTH INHIBITORY AND EXCITATORY



Neurohormone for social bonding - ANSWEROXYTOCIN



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: - ANSWERNMDA RECEPTORS



Neurotransmitter from responsible for rewarding

nature of drug abuse - ANSWERDOPAMINE



Role of glycine at NMDA receptor - ANSWEROBLIGATE COAGONIST



Low CSF levels of this neurotransmitter metabolites is

associated with suicidality? - ANSWER5-HYDROXYINDOLE ACETIC ACID (5-HIAA)

, What is the 5HT3 receptor classification? - ANSWERLIGAND GATED



Pain by neurogenic inflammation mediated by? - ANSWERSUBSTANCE P



Decreased level of what NT is most associated with

depressed mood, poor sleep, and poor impulse

control - ANSWERSEROTONIN



Psych stress increases cortisol and prolonged cortisol is

associated with bad outcomes. Stress also affects other

hormones. Increase in which hormone is correlated

with decreased PTSD severity most likely due to

hormone's anti-glucocorticoid properties: - ANSWERDHEA



Unsteady gait, appendicular ataxia in LE only and

normal eye movement. Walks with lurching broad-

based gait. (8x) - ANSWERCEREBELLAR DEGENERATION (ALCOHOLIC)



Visual problem in pituitary tumor compressing optic

chiasm (10x) - ANSWERBITEMPORAL HEMIANOPSIA



60 y/o right-handed M, getting lost, only writes on

right half of paper. Left-sided hemi-neglect. Where is

the lesion? (8x) - ANSWERRIGHT PARIETAL LOBE



Which cancer has the highest likelihood of going to

brain? - ANSWERLUNG



66 y/o c/o frequent falls, several-month hx of anxiety,

unwillingness to leave home. On exam, mild

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