uworld3

Question 1

timing of atherosclerotic stroke vs embolic stroke

Answer 1

ather: takes days, gradual, alternate with periods of improvement
emb: onset is abrupt and maximal at start

Question 2

timing of intracerebral hemorrhage vs SAH

Answer 2

intra: min- hrs

SAH: severe at onset

Question 3

does SAH usually present with focal neuro findings?

Answer 3

no

Question 4

intracerebral hemorrhage presentation

Answer 4

focal neuro findings

–>elevated ICP (vomiting, HA, bradycardia)

Question 5

initial imaging study for patients with first unprovoked seizure

Answer 5

CT without contrast

MRI more sensitive but in nonemergent situations only

Question 6

cauda equina vs conus medularis: where is the pain

Answer 6

cauda: bilateral severe radicular pain
conus: sudden onset severe back pain

Question 7

cauda vs conus: where is there anesthesia?

Answer 7

cauda: saddle
conus: perianal

Question 8

cauda vs conus: symmetric or asymmetric motor weakness?

Answer 8

cauda: asymmetric
conus: symmetric

Question 9

cauda vs conus: which one is hyper vs hyporeflexic?

Answer 9

cauda: hypo, or areflexic
conus: hyper

Question 10

cauda vs conus: timing of bladder/bowel dysfunction

Answer 10

cauda: late-onset
conus: early onset

Question 11

diagnosis and management of cauda and conus

Answer 11

emergency MRI
IV glucocorticoids
neurosurg eval

Question 12

presbycusis

Answer 12

age related sensorineural hearing loss– bilateral

Question 13

cholesteatoma

Answer 13

erosive, expansive growth of squamous epithelium

conductive/sensorineural hearing loss, tinnitus, balance problems, ear discharge

Question 14

otosclerosis

Answer 14

sclerotic changes of middle ear

Question 15

otosclerosis is sensorineural or conductive hearing loss?

Answer 15

conductive

Question 16

what is strongest risk factor for ischemic and hemorrhagic stroke?

Answer 16

HTN

Question 17

fluorescein corneal staining tests for…

Answer 17

abrasion