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Neurology > Anatomy Workshops > Flashcards

Anatomy Workshops Flashcards

1
Q

where is the location of the third neurone in the somatosensory pathway for discriminative touch

A

thalamus

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2
Q

where do 85% of upper motor neurone axons decussate

A

the medulla oblongata

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3
Q

testing the actions of the biceps femoris tests what spinal root levels

A

C5, S1

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4
Q

what is saltatory conduction

A

jumping between the nodes of ranvier

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5
Q

what are schwann cells

A

myelinators of the PNS

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6
Q

contraction of what muscle against resistance tests C7 motor function of the radial nerve

A

triceps

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7
Q

weakness of right trapezius indicates a weakness in which nerve

A

spinal accessory

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8
Q

extension of the back tests which muscle aswell as testing posterior rami

A

erector spinae group

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9
Q

where is CSF in the spinal cord

A

central canal

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10
Q

what is the main sensory and motor component of the biceps (jerk) reflex

A

musculocutanous (C5,6) mainly C6

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11
Q

complete transection (LMN) injury of what nerve results in grade 0 power in extension movements of the arm

A

radial nerve

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12
Q

what supplies sensation to the skin of the suprapubic region

A

T12 spinal nerve

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13
Q

what supplies sensation to the skin of the 1st web space

A

L5 spinal nerve

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14
Q

what supplies sensation to the skin of the middle finger

A

median nerve

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15
Q

what supplies sensation to the skin of the heel

A

S1 spinal nerve

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16
Q

what are the output cells of the cerebellum

A

purkinje cells

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17
Q

what part of spinal cord/nerves give antereolateral sensation

A

anterior rami

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18
Q

what part of spinal cord/nerves give visceral sensation

A

visceral afferent (posterior rami)

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19
Q

what part of spinal cord/nerves contains only somatic motor and sympathetic axons

A

anterior roots and rootlets

20
Q

what part of midbrain has a large anterior bulge

A

pons

21
Q

which part of midbrain looks like mickey mouse

A

midbrain- cerebral aqueduct is the mouth

22
Q

what is the worm in the brainstem

A

olivary nucleus of the medulla oblongata

23
Q

interrupting the direct pathway of the basal ganglia causes what clinical sign

A

hypokinesia/ bradykinesia

24
Q

what is the clinical symptom of demylination of the posterior column (MS)

A

loss of fine touch

25
Q

would a lesion in the CST produce contralateral or ipsilateral symptoms

A

ipsilateral

26
Q

what is the role of latissimus dorsi

A

upper limb adduction/ internal rotation

27
Q

what contains fibres of fine touch and proprioception from upper AND lower limbs

A

dorsal column

28
Q

what carries pain, temp and deep pressure fibres

A

spinothalamic tract

29
Q

fibres within what tract cross at the decussation of the pyramids

A

lateral corticospinal tract

30
Q

which part of the diencephalon which has an endocrine function

A

hypothalamus

31
Q

what lies inferior to the part of the cerebral hemisphere concerned with vision

A

cerbellum

32
Q

what matter contains axons but no cell bodies

A

white matter

33
Q

occulusion of which artery would cause a CVA the pre central left gyrus

A

anterior cerebral

34
Q

what specialised structures pierce the dura mater on order to transfer CSF to the venous system

A

arachnoid granunlations

35
Q

what does the spinothalamic tract convery

A

pain

36
Q

what does the dorsal column convey

A

fine touch, conscious proprioception

37
Q

what does bocas

area do

A

language production

38
Q

what does wernickes area do

A

language comprehension

39
Q

where does vagus leave the cranium

A

jugular foramen

40
Q

what is the last point supplied by the vagus nerve

A

splenic flexure

41
Q

the sympathetic axons that supply the orbit pass through here

A

carotid canal

42
Q

what type of axons pass through the foramen rotundum

A

sensory- CN V3

43
Q

what type of axons leave the skull via the hypoglossal canal

A

motor- hypoglossal nerve

44
Q

what is the path of the sympathetic nerve supply to the eye

A 
T1 sympathetic trunk
superior cervical sympathetic ganglion 
internal carotid plexus 
ciliary ganglion 
short ciliary nerve
45
Q

what only normall exits in relation to the spinal cord (not brain) and can be accessed via the L3/4 interspace

A

extradual (epidural) space

46
Q

what cranial nerve contains visceral afferents that originate within the carotid sheath

A

CN IX

47
Q

what CN: crossed motor axons exit via the posterior aspect of the midbrain at its junction with the pons

A

CN IV

Neurology (35 decks)

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