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Fiser Absite > 41 - Neurosurgery > Flashcards

41 - Neurosurgery Flashcards

1
Q

Comes together to form basilar artery

A

Vertebral arteries

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2
Q

Vertebral arteries branches into 2 _

A

Posterior cerebral arteries

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3
Q

Connect middle cerebral arteries to posterior cerebral arteries

A

Posterior communicating arteries

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4
Q

Branches off middle cerebral arteries

A

Anterior cerebral arteries

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5
Q

Anterior cerebral arteries connected via

A

anterior communicating artery

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6
Q

No axonal injury (temporary loss of function)

A

Neuropraxia

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7
Q

Disruption of axon with preservation of axon sheath

A

Axonotmesis

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8
Q

Disruption of axon AND myelin sheath

A

Neurotmesis

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9
Q

bare sections of nerve, allows salutatory conduction

A

Nodes of ranvier

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10
Q

ADH release controlled by _ nucleus of the hypothalamus

A

Supraoptic nucleus

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11
Q

SDH are caued by injury to _

A

Bridging veins

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12
Q

Epidural hematoma cause by injury to _

A

Middle meningeal artery

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13
Q

Cresent shape on CT scan

A

SDH

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14
Q

Convex/Lens shape on CT

A

EDH

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15
Q

Lobe often affected with intracerebral hematomas

A

Temporal lobe

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16
Q

Cushing triad

A

HTN
Bradycardia
Decreased resp rate

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17
Q

Most sensitive test for SCI

A

MRI

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18
Q

3 signs of spinal shock

A

HoTN
Normo/Bradycardia
Warm extremities (vasodilation)

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19
Q

Bilateral areflexia, flaccidity, parasthesias

A

Complete cord transection

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20
Q

Bilateral loss of motor, pain and temperature below level of lesion; preservation of position/vibratory sensation and light touch

A

Anterior cord syndrome

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21
Q

Loss of ipsilateral motor and contralateral pain/teperature below level of lesion

A

Brown-sequard syndrome (Hemisection)

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22
Q

Bilateral loss of pain, motor, and temperature sensation in upper extremities (lower spared)

A

Central cord syndrome

23
Q

Pain and weakness in lower extremities 2/2 lumbar nerve compression

A

Cauda (equina

24
Q

Tract that carries pain and temperature sensory fibers

A

Spinothalamic (dorsal)

25
Tracts (2) that carries motor neurons
Corticospinal and rubrospinal
26
Afferent nerve root, sensory fibers
Dorsal nerve roots
27
Efferent nerve root, motor fibers
Ventral nerve roots
28
Most common PRIMARY brain tumor
Gliomas
29
Most common subtype of glioma; fatal
Glioma multiforme
30
#1 metastasis to brain
Lung Ca
31
Most common brain tumor in children
Medulloblastoma
32
Most common metastatic brain tumor children
neuroblastoma
33
Acoutstic neuroma arises from _ cranial nerve at cerebellopontnie angle
8th
34
#1 spinal tumor
Neurofibroma
35
_ spinal tumors are most likely benign
Intradural
36
_ spinal tumors are most likely malignant
Extradural
37
Brain bleeding type seen in premature infants
Intraventricular hemorrhage
38
Herniation of spinal cord and nerve roots through defect in vertebra
Myelomeningocele
39
Speech comprehension, temporal lobe
Wernicke's
40
Speed motor, posterior part of anterior lobe
Broca's
41
Acts as brain macrophages
Microglial cells
42
Cranial nerve function/muscle of smell
1 - olfactory
43
Cranial nerve function/muscle of sight
2 - optic
44
Cranial nerve function/muscle of motor to eye
3 - oculomotor
45
Cranial nerve function/muscle of sensory to face; muscle of mastication
5 - trigeminal
46
Cranial nerve function/muscle of superior oblique of eye
4 - trochlear
47
Cranial nerve function/muscle of lateral rectus to eye
6 - abducens
48
Cranial nerve function/muscle of taste ant 2/3 of tongue; motor to face
7 - facial
49
Cranial nerve function/muscle of hearing
8 - vestibulochochlear
50
Cranial nerve function/muscle of taste to posterior 1/3 tongue; swallowing
9 - glossopharyngeal
51
Cranial nerve function/muscle of many functions
10 - vagus
52
Cranial nerve function/muscle of trapezius, SCM
11 - spinal accessory
53
Cranial nerve function/muscle of tongue
12 - hypoglossal

Fiser Absite (14 decks)

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