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USMLE Step 3 Latest /258 Questions And Answers Graded (A+)
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- USMLE Step 3 Latest 2023-2024
USMLE Step 3 Latest /258 Questions And Answers Graded (A+)
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USMLE Step 1 High Yield 2023 /122 Questions AndAnswers Rated (A+)
Quiz :Klüver Bucy syndrome - Answer:Hyperorality, hypersexuality, disinhibited
behavior. Associated with HSV-1
Quiz :Gerstmann Syndrome - Answer:Lesion of the parietal-temporal cortex.
Agraphia, acalculia, finger agnosia, and left-right disorientation.
Quiz :Wernicke-Korsakoff Syndrome - Answer:Confusion, ophtalmoplegia, ataxia,
memory loss (anterograde and retrograde amnesia), confabulation, personality
changes.
Wernicke problems come in a CAN of beer: Confusion, Ataxia, Nystagmus.
Quiz :Paramedian pontine reticular formation lesion. - Answer:Eyes look away
from side of lesion
Quiz :Frontal eye field lesion - Answer:Eyes look toward lesion
Quiz :Central Pontine myelinolysis - Answer:Correcting serum Na+ too fast:
From low to high your pons will die (CPM).
From high to low your brain will blow (cerebral edema/herniation)
Quiz :Lenticulo-striate artery - Answer:Lesion in lacunar infracts 2ndary to
unmanaged htn. Contralateral hemiparesis/hemiplegia
, Quiz :MCA stroke - Answer:Contralateral sensory and motor loss of upper limb.
Wernicke and broca aphasia.
Quiz :ACA stroke - Answer:Motor/sensory loss contralateral lower limb.
Quiz :Anterior spinal artery (ASA) stroke - Answer:Contralateral hemiparesis
upper and lower limbs. Decr. Contralateral propioception. Ipsilateral hypoglossal
dysfunction (tongue deviates ipsilaterally).
Quiz :PICA stroke (Wallenberg syndrome) - Answer:Vomiting, vertigo,
nystagmus, decr. Pain and temp. Sensation from ipsilateral face and contralateral
body. Dysphagia, hoarseness, decr. Gag reflex. Ipsilateral horner syndrome, ataxia
and dysmetria. "Don't pick a (PICA) horse (hoarseness) that can't eat (dysphagia)".
Quiz :AICA stroke - Answer:Vomiting, vertigo, nystagmus, decr. Pain and temp.
Paralysis of the face decr. Lacrimation, salivation, decr. Taste from Anterior 2/3 of
the tongue, decr. Corneal reflex. Face decr. Pain and temp. Ipsilateral decr.
hearing. Ipsilateral horner syndrome, ataxia and dysmetria. "Facial droop means
AICA's pooped".
Quiz :Pcomm stroke - Answer:CN III palsy- eye is down and out with ptosis and
pupil dilation.
Quiz :Charcot-Bouchard microaneurysm - Answer:Associated with chronic htn;
affects small vessels eg. Basal ganglia and thalamus
Quiz :Spinal muscular atrophy (werdnig-hoffmann disease) - Answer:Congenital
degeneration of anterior horns of spinal cord lead to LMN lesion. Floppy baby
syndrome.
Quiz :Histologic changes after a MI - Answer:0-4 hours: minimal change or
Normal.
4-12 hours: early coagulation, necrosis, edema, hemorrhage, wavy fibers.
12-24 hours: coagulation necrosis and marginal contraction band necrosis.
1-5 days: coagulation necrosis and neutrophillic infiltrate.
5-10 days: macrophage phagocytosis of dead cells.
10-14 days: granulation tissue and neovascularization.
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