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Level Two > Nervous System > Flashcards

Nervous System Flashcards

1
Q

prolonged seizures/ STATUS EPILEPTICUS are at highest risk of:

A

CORTICAL NECROSIS.

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2
Q

hemineglect is caused by…

A

right parietal lobe lesion

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3
Q

cephalohematoma v capput seccundum. which crosses suture lines?

A

seccundum

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4
Q

oligoclonal bands on CSF = dx?

A

MS

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5
Q

ddx: for marfanoid body habitus:
- downward lens dislocation and thrombosis and intellectual disabilit and fair skin].

-upward lens dislocation and aortic root dilation

A
  • DOWNWARD = homocystinuria

- UPWARD = marfans

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6
Q

calcification and round, homogenously enhancing DURAL BASED mass. B9

A

meningioma

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7
Q

acute MS exacerbation v. maintenance tx

A

acute - CS

maintenance = interferone beta

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8
Q

-If facial droop with SPARING of forehead muscle movement =?
VERSUS
- If forehead muscles are AFFECTED (cannot close eyelid/forehead mvmt loss) = ?

A

-If facial droop with SPARING of forehead muscle movement - intracranial lesion.
VERSUS
- If forehead muscles are AFFECTED (cannot close eyelid/forehead mvmt loss)- think peripheral neuropathy (bells = below pons)

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9
Q

2 ddx for lesions at gray-white junction

A

mets v. toxo

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10
Q

CT of brain with v without contrast

A

with = structural or masses

without = seizures or bleeds

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11
Q

SE of Dopamine antagonism in:

Mesolimbic v nigrostriatal v tubuloinfundibular

A

mesolimbic = antipsychotic

nigrostriatal = EPS

tubuloinfundibular = glactorrhea, amenorrhea

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12
Q

resting tremor of 4-6Hz = ?

A

parkinson tremor

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13
Q

treat daytime somnolence in narcoplepsy.

A

modafanil

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14
Q

Infective Brain lesions in Immunocompromised. (1)Well defined SINGLE enhancing focal lesion =

A

EBV causing primary CNS lymphoma.

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15
Q

Infective Brain lesions in Immunocompromised. (2)Multiple NONenhancing brain lesions with no mass effect =

A

JC virus activation causing PML.

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16
Q

Infective Brain lesions in Immunocompromised.

MULTIPLE ring enhancing lesions =

A

toxo

ppx: TMP-SMX
- tx: pyrimethamine and sulfadiazine, plus folinic acid.

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17
Q

Infective Brain lesions in Immunocompromised.

Ring enhancing brain abscess <100 CD4 =

A

nocardia

18
Q

Infective brain lesions in NONimmunocompromised (5)SINGLE brain abscess post sinus/ENT infection =

A

Viridans strep or staph aureus.

19
Q

Infective brain lesions in NONimmunocompromised. (6)Non ring enhancing Necrotic and destructive in DM or Immunocompr =

A

Rhizopus/Mucor

20
Q

mcc of orbital cellulitis

A

bacteria sinusitis

21
Q

what drug is CI in acute glaucoma?

A

atropine because it causes DILATION

22
Q

TCA OD sx and tx

A

sx: CNS, Cardio, anticholinerg
tx: sodium bicarbonate

23
Q

cyanide toxicity after combustion or nitro OD - what drug for tx?

A

sodium thiosulfate or hydroxycobalamin

24
Q

Old person with DJD gets into hyerextension injury (MvA) - subsequent weakness in UE. Dx?

A

A: Central cord syndrome - LSTT.

25
Q

Q: what is bl spastic motor paresis distal to lesion?

A

A: anterior cord syndrome

26
Q

define parkinson tremor

A

resting

27
Q

type of tremor: hands, relived with alcohol and beta blocker.

A

essential

28
Q

cortical and subcortical atrophy, esp in TEMPRAL and P ARIETAL lobes - dx?.

A

alz

29
Q

Herpes encephalitis has RBC in CSF bc….?

A

A: incr erythrocytes due to hemorrhagic destruct

of temporal lobes.

30
Q

dx: pain and temp and motor go away, dorsal column intact(light touch, virbatio position).

A

syringomyelia

31
Q

what class is CI in acute closure galucoma nad usin gin parkinosn

A

anti-chol

trihexyphenidyl. tx of Parkinson = entacapone–>levodopa

32
Q

ECG broad flat T waves, U waves, ST depression = ? electrolyte abn?

A

hypokalemia (i.e. hctz wasting)

33
Q

tx for NMS

A

Neruoleptic malignant syndrome = dantrolene or bromocripting, stop dop-antag meds, supporting (cooling)

34
Q

location of [PEDIATRIC tumor = ICP, seizures.

A

Supratentiorial

35
Q

location of [PEDIATRIC tumor = ICP, ataxia, clumsiness.

A

Posterior fossa

36
Q

location of tumor = ataxia, clumsiness, CN palsies.

A

Brainstem

37
Q

locaiton of tumor

- Back pain, weakness, abn gait.

A

Spinal Cord

38
Q

mcc of brain tumor in kids is __? presnts with ICP and seizures.

A

pilocytic astrocytoma = supratentorial = parietal = ICP, seizurs.

39
Q

acute closure glaucoma v uveitis - diff in pupils and light response.

A

ACG = dilated and nonreactive

Uveitis = constricted, poor light response

40
Q

tx antichonilergic OD with…

A

physostigmine

41
Q

ASA OD

A

resp alk –> met acid

Level Two (15 decks)

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