B7.056 Brain Environs

Question 1

constellation of symptoms that equal delirium

Answer 1

lethargy
inattention
disorientation

Question 2

possible lesions that can induce lethargy while pupils and EOMs remain reactive

Answer 2

RAS damaged, brainstem intact
metabolic
diencephalic
early supratentorial

Question 3

dysfunction of short term memory

Answer 3

requires bilateral dysfunction to memory circuits (midline structures)

Question 4

inattention

Answer 4

requires bilateral dysfunction of the dorsolateral prefrontal cortex

Question 5

first steps in suspected meningitis

Answer 5

1. order ceftriaxone and ampicillin
2. stat CT to rule out diencephalic lesion
3. LP

Question 6

dementia

Answer 6

cognitive deficits impairing social or occupational functioning
acquired (after 18)
persistent
multiple domains

Question 7

cognitive domains

Answer 7

executive function
attention
memory
language
perceptual-motor
social-cognition

Question 8

systems damaged in hydrocephalus

Answer 8

cognitive
-memory
-executive
corticospinal
bladder voluntary control

Question 9

cortical vs subcortical dementia

Answer 9

subcortical = ABNORMAL elementary neuro exam

Question 10

common etiologies of aseptic meningitis

Answer 10

tuberculosis meningitis
cryptococcal meningitis
parameningeal infection
Lyme disease
neurosyphilis
carcinomatous meningitis
sarcoidosis

Question 11

treatment of venous sinus thrombosis

Answer 11

anticoagulation
catheter thrombectomy
lower ICP
-repeat LPs
-Diamox
-optic nerve fenestration
-CSF shunt