EBSE Neuro Quiz 1

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In the excitatory pathway of the basal ganglia, what disinhibits the thalamus via the GPi/substantia nigra?
Pathway of CNXII
Muscle that opens jaw
Location of norepinephrine synthesis
Regulation of cerebral perfusion normally driven by
Increased CSF in the setting of atrophy
Conjugate vertical gaze center
Sensory receptor responsible for position sense and dynamic fine touch
Nerve damaged when eye looks down and out
Nonfluent aphasia w/ intact comprehension
Nerve damaged when eye drifts upward and causes vertical diplopia
Dorsal columns nucleus synapse for upper body and extremities
Dermatome at the nipple
Area of lesion in Kluver-Bucy syndrome
What are Lewy bodies composed of?
Action of ciliary muscle in distant vision
Cell that myelinates multiple CNS axons
Embryonic origin of Schwann cells
Achilles reflex nerve root
Vagal nucleus responsible for motor innervation of pharynx, larynx, upper esophagus
Pathway of brain stem + vertebral arteries
Auditory center in the brain stem
Schwannoma affecting CNVIII
Common site of a berry aneurysm causing CNIII palsy
Location of highest concentration of Na+ channels
Artery affected in stroke causing contralateral hemianopsia w/ macular sparing
In the basal ganglia, what stimulates the GPi to inhibit the thalamus?
Paralysis of conjugate vertical gaze
Pathway of middle meningeal artery
Thalamic nucleus that relays face sensation and taste information
Area of lesion in truncal ataxia
Most common site of berry aneurysms
Nerve for taste from posterior 1/3 of tongue
Lumbar puncture usually performed at level of
Dermatome at the umbilicus
Nerve damage with eyes directed medially
Thalamic nucleus that relays pain/temperature, pressure, touch, vibration, and proprioception information
In the basal ganglia, what inhibits the thalamus to decrease movement?
Action of ciliary muscle in near vision
Location of 5-HT synthesis
Dermatome at the kneecap
Cell that myelinates one PNS axon
Pathway of CNV3
Output nerves of cerebellum
Parkinson's disease results in the loss of dopaminergic neurons from what nucleus?
Neurotransmitter increased in schizophrenia
Nerve that monitors aortic arch chemo/baroreceptors
Area of lesion in which eyes look away from lesion
Innervation of muscles of mastication
Area of lesion in anterograde amnesia
Tx of tremors
Dermatome at inguinal ligament
Where does the lateral corticospinal tract decussate
Nerve to levator palpebrae muscle
Neurotransmitter decreased in anxiety and Huntington's disease
What connects Broca's and Wernicke's areas?
Area of lesion in Wernicke-Korsakoff syndrome
Artery affected in stroke causing contralateral hemiparesis and hemiplegia
Area of lesion in spatial neglect syndrome
Vagal nucleus of visceral sensation
Thalamic nucleus that relays vision to the calcarine sulcus
Drug contraindicated in closed angle glaucoma
Area of lesion in re-emergence of primitive reflexes
Sensory receptor responsible for vibration and pressure
Nerve to lateral rectus muscle
Child presents w/ staggering gate + pes cavus + kyphoscoliosis
Layer of peripheral nerve that must be rejoined in microsurgery for limb reattachment
Location of GABA synthesis
Horner's syndrome is associated w/ lesion above what spinal cord level?
Nerve that monitors carotid body and sinus chemo/baroreceptors
Where does the dorsal column tract decussate?
Drug that aids delivery of chemo to brain tumors by transiently unraveling the BBB
Site in hypothalamus that makes oxytocin
'Floppy baby' presents at birth w/ tongue fasciculations
Artery affected in stroke causing decreased taste from anterior 2/3 of tongue + ipsilateral Horner's syndrome
Reversible cause of dementia in the elderly
Where does the spinothalamic tract decussate?
Cell responsible for physical support, K+ metabolism, maintaining BBB
Location of ACh synthesis
Neurotransmitter decreased in Parkinson's disease and depression
Enzyme defect in amyotrophic lateral sclerosis
Cells destroyed in multiple sclerosis
Lesion in superior colliculi results in paralysis of
Sensory receptor responsible for position sense and static touch
Biceps reflex nerve root
Hemballismus is characteristic of contralateral lesion of what nucleus?
Inflammatory infiltrate in Guillain-Barre syndrome
Rupture of bridging veins
Area of lesion in comatose state
Decreased CSF absorption by arachnoid villi leading to increased ICP, papilledema, herniation
Atrophy of strial nuclei + hydrocephalus ex vacuo
Site in hypothalamus that makes ADH
'Fried eggs' on H&E staining
Provides stimulatory feedback to contralateral cortex to module movement
Pathway of CNV2
Dorsal columns nucleus synapse for lower body and extremities
Fluent aphasia w/ impaired comprehension
Medial cerebellum injured, which side will patient fall?
Thalamic nucleus that receives auditory information
Artery affected in stroke causing contralateral paralysis and loss of sensation to upper limb and face
Artery affected in stroke causing tongue deviating ipsilaterally
Astrocyte cell marker
Artery affected in stroke causing hoarseness and dysphagia
Artery affected in stroke causing contralateral paralysis and loss of sensation to lower limb and face
Cells destroyed in Guillian-Barre syndrome

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