60 y/o right-handed M, getting lost, only writes on right half of paper. Left-sided hemi- neglect. Where is the lesion? (8x) - ANSWERSRIGHT PARIETAL LOBE
66 y/o with HTN develops vertigo, diplopia, nausea, vomiting, hiccups, L face numbness, nystagmus, hoarseness, ataxia of limbs, staggering gai...
Ninja Prite (NEUROSCIENCE)
Questions& Answers
60 y/o right-handed M, getting lost, only writes on right half of paper. Left-sided hemi-
neglect. Where is the lesion? (8x) - ANSWERSRIGHT PARIETAL LOBE
66 y/o with HTN develops vertigo, diplopia, nausea, vomiting, hiccups, L face
numbness, nystagmus, hoarseness, ataxia of limbs, staggering gait, and tendency to
fall to the left. Dx? (8x) - ANSWERSLATERAL MEDULLARY STROKE
78 y/o pt had an ischemic stroke that left him with a residual mild hemiplegia. Pt
appeared to be unaware that there was a problem of weakness on one side of this
body. When asked to raise the weak arm, the patient raised his normal arm. When the
failure to raise the paralyzed arm was pointed out to pt, he admitted that the arm was
slightly weak. He also neglects the side of the body when dressing and grooming. Pt did
not shave one side of his face, had difficulty putting a shirt on when it was turned inside
out. Area of brain likely affected by stroke? (4x) - ANSWERSRIGHT PARIETAL LOBE
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? (5x) - ANSWERSCEREBELLUM
Adult neurogenesis in which area of the brain? (x2) - ANSWERSHIPPOCAMPUS
Previously pleasant mom becomes profane and irresponsible over 6 months. Most likely
a pathology in: (2x) - ANSWERSFRONTAL LOBE
Rapid onset of right facial weakness, left limb weakness, diplopia: (2x) -
ANSWERSBRAIN STEM INFARCTION
MRI scan of head reveals an infarct in distribution of left anterior cerebral artery. Pt most
likely exhibits: (2x) - ANSWERSWEAKNESS OF CONTRALATERAL FOOT AND LEG
Neurogenesis in adult brain is restricted to what region of the brain? -
ANSWERSDENTATE GYRUS
bipolar has decreased connectivity here - ANSWERSAMYGDALA AND PFC
Biogenic amine made in Locus Coeruleus - ANSWERSNE
CNS response to fear mediated by what structure. - ANSWERSCENTRAL NUCLEUS
OF THE AMYGDALA
, Brain area activated by subliminal presentations of emotional faces -
ANSWERSAMYGDALA
CNS region containing dopaminergic neurons projecting to caudate and putamen -
ANSWERSSUBSTANTIA NIGRA
Area of brain responsible for face recognition - ANSWERSFUSIFORM GYRUS
Area of brain to remember a number to make a phone call -
ANSWERSDORSOLATERAL PFC
Which part of cortical-striatal-pallidal-thalamic cortical circuit evaluates painful stimuli -
ANSWERSLATERAL ORBITOFRONTAL
The dorsolateral-prefrontal cortex, striatum and ____ are part of a loop circuit that
produces worry and obsessive symptoms - ANSWERSTHALAMUS
The blood brain barrier is made up of what kind of cells? - ANSWERSENDOTHELIAL
Orexin is made in what part of the brain? - ANSWERSHYPOTHALAMUS
Dopamine neurons in what system is primarily implicated in tasks related to cognitive
processing? - ANSWERSMESOCORTICAL
Which dopaminergic pathway includes the nucleus accumbens and mediates addiction
and associated behaviors? - ANSWERSMESOLIMBIC
Development of brain grey-matter volume peaks at what stage - ANSWERSLATE
CHILDHOOD
In a pt with hippocampus damage, what allows them to still learn new skills like playing
tennis? - ANSWERSBASAL GANGLIA
65 y/o pt has a stroke which causes him to fall. On exam, weakness of the right leg, with
only minor weakness of the right hand, no weakness of the face, no sensory deficit.
Speech is not affected, but pt seems unusually quiet and passive. The stroke most likely
involves the: - ANSWERSLEFT ANTERIOR CEREBRAL ARTERY
Hemisensory loss followed by pain and hyperpathia involving all modalities and
reaching the midline of the trunk and head is most consistent with ischemia in the
distribution of which of the following arteries? - ANSWERSPOSTERIOR CEREBRAL
Right-side palsy with equal involvement of the face, arm and leg combined with third
nerve palsy is most likely due to occlusion of a branch of which artery? -
ANSWERSPOSTERIOR CEREBRAL
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