Cns Flashcards
repeated question about hypoglossal nerve injury what is the sign?
deviation of tongue to the side of the lesion
What is the most injured nerve in case of thrombosis in cavernous sinus?
Trochlear
Lesions to the anterior limb of the internal capsule result in what?
Aphasia
what is lost in ischaemia reperfusion cycle
Oxidative phosphorylation
diseases that have CGG and loss of function mutation ?
Fragile X
thalamus contralateral hemiparesis neglect
Intralaminar
A Drug was given to a lady after surgery and she lost consciousness and resulted in
hypotension?
Codeine
Patient symptoms were referring to meningitis i think or encephalitis , there was
meningeal irritation , he was in his 70’s , asking which empirical therapy u would
give?
Vancomycin ceftriaxone and ampicillin (he is >65 )
Into what structure do auditory afferents travel in the midbrain
lateral lemniscus
70 Mutation of HNA?
FXR
After taking 3 doses of covid vaccine a patient experienced a loss of sensation
symmetrical in the lower limb then it involved the upper limb ? He is a smoker and
recently diagnosed with type 2 diabetes and is on oral therapy. He has back pain and
was prescribed NSAIDS. On physical examination, he showed loss of deep tendon
reflex.
Peripheral demyelination
Pt died of acute lobar pneumonia and suffered a neurological disease (it said that
she was suffering from these neurological for a long time before) she is hypertensive
and autopsy reveals brown deposit in periventricular white white matter. What is most
likely cause for the changes seen
a. Septic infarcts to brain
She has ms
Patient is acting on his dreams + anosmia ?
lewy body dementia
What describes carpal tunnel
Mononeuropathy
75 A 78 year old right-handed male collapses and is brought from an accident to
emergency. He seems to follow clear one-step commands but he gets very frustrated
as he cannot answer questions. He is unable to lift his right hand or leg.his blood
pressure is 149/87. He takes only aspirin and furosemide. What is the most likely
diagnosis?
Left cortical hemorrhage
What connects the temporal lobes?
anterior commissure
An old lady was admitted to hospital, she was eating her lunch then suddenly
dropped the fork . She calls for the nurse who notices the left side of her face is
drooping, What is the best next course of action?
Urgent CT
What is true about stereocilia?
tips mediate mechanoelectrical transduction (MET)
Hair cell contract by what
K+ influx
What does the sulcus limitans separate
motor & sensory nuclei
During childbirth, an excessive anteroposterior compression of the head may tear the
anterior attachment of the falx cerebri from the tentorium cerebelli. The bleeding that
follows is likely to be from which of the following venous sinuses?
Straight sinus
Which part of the cerebellum is affected in the following test?
Cerebrocerebellum
Which structure is least affected by herniation of the uncus thru transtentorial notch?
MCA
Which one is not affected by pica infarction ?
Medial longitudinal fasciculus
What would be affected in disorders of brain peroxisomes ?
degradation of glycosphingolipids
Which mutation leads to leber’s congenital amaurosis ?
RPE-65