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Physiology > Neuro > Flashcards

Neuro Flashcards

0
Q

Subthalamus lesions

A

Sudden flailing of entire limb

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1
Q

Globus Pallidus Lesions

A

Writhing movements of hands arms neck and face

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2
Q

Putamen Lesions

A

Flickering movements

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3
Q

Substantial Nigra lesions

A

Rigidity, akinesia, tremors

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4
Q

The alpha neuron and fibers it innervates

A

Motor unit

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5
Q

Actions of ACH at NMJ can be blocked by

A

Curare

Cobra Venom

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6
Q

Excitatory

A

Depolarization

Na enters cell

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7
Q

Inhibitory

A

Hyper polarization
Na leaves
Cl enters

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8
Q

Biogenic Amines

A

NE
Dopa
Serotonin

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9
Q

Inferior cerebellar peduncles

A

Connect medulla and cerebellum dorsally

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10
Q

Olive

A

Carries sensory info to cerebellum

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11
Q

Cerebral peduncles

A

Carry motor info from corticospinal tracts to spinal cord

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12
Q

Superior colliculi

A

Midbrain, relay for visual reflexes

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13
Q

Inferior colliculi

A

Auditory info

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14
Q

Red nuclei

A

Motor coordination

In midbrain

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15
Q

Substantia Nigra

A

Regulates basal nuclei
Motor coordination
In mid brain

16
Q

Flocconodular lobe

A

Cerebellum

Involved in equilibrium

17
Q

Most common vessel involved in CVA

A

Middle cerebral artery

18
Q

If MCA blocked on left side

A

Aphasia

Deficits on right side

19
Q

MCA blocked on right side

A

Difficulty drawing of interpreting spacial relationships

Left side deficits

20
Q

Spinothalamic tract

A

Pain and temp relayed to cerebral

Cortex

21
Q

Medial lemniscal pathway

A

Sensory info conveying touch/pressure & propireceptiom

Dorsal column of sc

22
Q

Lateral Corticospinal tract

A

Fine detailed movements in distal limbs

23
Q

Corticospinal tract

A

Voluntary movements

Directly from cerebral cortex

24
Q

Extrapyramidal pathway

A

Indirect pathway

Controlled by motor circuit structures

25
Q

Positive Babinskis reflex

A

Damage to pyramidal motor system

26
Q

Ipsilateral hemiplegia caused by GSW

A

Brown sequard syndrome

27
Q

Injury to thoracolumnar spine

A

May interrupt sympathetic outflow

28
Q

Injury to sacral region

A

Parasympathetic flow impacted, incontinence

29
Q

Primary sensory cortex located

A

Postcentral gyrus

Physiology (3 decks)

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