Neuro Assessment Day 2 Flashcards

1
Q

what is spasticity?

A

rate dependent rigidity

moving the limb faster causes it

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2
Q

what would spasticity indicate?

A

Upper motor neuron lesion

CP, stroke

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3
Q

what is rigidity?

A

non-rate dependent rigidity

lead pipe rigidity

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4
Q

what would rigidity indicate?

A

parkinsonism

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5
Q

what would flaccid muscles indicate?

A

lower motor neuron lesion

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6
Q

what is the thenar eminence?

A

pad of hand at the thumb

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7
Q

what would cause atrophy of the thenar eminence?

A

carpal tunnel syndrome

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8
Q

what is important to consider when evaluating muscle strength?

A
  1. what would be “normal” for that person

2. symmetry

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9
Q

what the scale for evaluating muscle strenght?

A
0-no movement
1-flicker of muscle
2-moves but not against gravity
3-moves against gravity but not against resistnace
4-moves against some resistance
5-normal
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10
Q

what nerves does the grip test evaluate?

A

C7, C8, T1

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11
Q

what nerves does intrinsic hand muscle evaluate?

A

C8, T1, ulnar

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12
Q

what nerves does wrist flexion evaluate?

A

C7, C8, T1

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13
Q

what nerves does wrist extension evaluate?

A

C6, C7, C8

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14
Q

what does C6 innervate?

A

thumb and forefinger

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15
Q

what does elbow extension evaluate?

A

C7, C8

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16
Q

what does elbow flexion evaluate

A

C5, C6

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17
Q

what does shoulder adduction evaluate?

A

C5 through T1

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18
Q

what does shoulder abduction evaluate?

A

C5, C6

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19
Q

what does hip flexion evaluate (bringing the leg forward)?

A

L2, L3, L4

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20
Q

what does hip extension evaluate (bringing the leg backward)?

A

L5, S1

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21
Q

what does hip abduction evaluate?

A

L4, 5, S1

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22
Q

what does hip adduction evaluate?

A

L2, 3, 4

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23
Q

what does ankle dorsiflexion evaluate?

A

L4,5

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24
Q

what does ankle plantar flexion evaluate?

A

S1, 2

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25
Q

what is the usual progression of sensory deficits?

A

start distal and move proximal

26
Q

what will help to evaluate where the nerve pathology is located?

A

combining muscle and sensory findings

27
Q

what are possible causes of sensory neuropathy?

A
  1. peripheral afferent nerve fibers (DM)
  2. spinothalamic tract (crosses at the level of the spine) pain, temperature, crude touch
  3. dorsal column (crosses at the level of the brain stem)-discriminate touch, vibration, pressure
  4. cortex
28
Q

what is stereognosis?

A

being able to identify an object with eyes closed

29
Q

when testing sharp/dull which side is used as a control?

A

cotton side of the wooden cotton stick so that patients don’t say sharp, sharp, sharp

30
Q

when would you use temperature test?

A

if pain stimulus was abnormal

31
Q

where do you test proprioception first?

A

toes and fingers and only if that is not in-tact would you go more proximal

32
Q

what is graphesthesia?

A

ability to identify a number by feel alone when traced in the pt’s hand

33
Q

what is 2 point discrimination?

A

ability to identify 2 simultaneous stimuli

34
Q

what is extinction?

A

you are touching both arms, but they only feel that you are touching one

35
Q

what is a positive Romberg test?

A

pt can’t stand still with eyes closed

-may indicate dorsal column problem

36
Q

how would a cerebellar issue manifest itself?

A

can’t stand without wobbling

37
Q

what are the specific cerebellar tests?

A

finger to nose (point to point)
rapid alternating movements
gait

38
Q

what is dysmetria

A

missing the mark

39
Q

what is dysdiadokinesia?

A

inability to perform movements with speed and accuracy

40
Q

absent reflexes would indicate

A

peripheral neural damage

41
Q

normal reflexes with other problems could indicate

A

spinal cord damage

42
Q

hyperreflexes would indicate

A

central neural damage

43
Q

how would a normal reflex evaluation be documented?

A

2+

44
Q

what is clonus?

A

reflex turns into muscle contraction and is documented as a 4+

45
Q

what does patellar reflex test?

A

L2, 3, 4

46
Q

what does achilles reflex test?

A

S1, 2

47
Q

what does biceps reflex test?

A

C 5, 6

48
Q

what does triceps reflex test?

A

C7, C8

49
Q

what does brachioradialis relfex test?

A

C5, C6

50
Q

what is asterixis?

A

sudden, brief, non-rythmic flexion of hands and fingers when holding out arms with wrists extend
-liver flap (metabolic encephalopathy)

51
Q

what is winging of scapula?

A

scapula protrudes out

-may be seen in nerve injury or muscular dystrophy

52
Q

what are meningeal signs?

A
  1. nuchal rigidity
  2. kernig’s sign
  3. brudzinskis sign
53
Q

stroke is defined as…

A

death of brain tissue due to lack of oxygen

54
Q

what is a thrombotic stroke?

A

blocks blood flow to the brain at a local area that creates a clot

55
Q

what is an embolic stroke?

A

blocks blood flow to the brain that comes from a distant area

  • common cause is plaque from the carotid artery
  • afib
56
Q

what are common causes of hemorrhagic stroke?

A

aneurysm (outpouching of a blood vessel)

57
Q

what would decerebrate position indicate?

A

brain stem lesions

58
Q

what would decorticate position indicate?

A

stroke

59
Q

what would a positive pronator drift test indicate?

A

contralateral lesion in the corticospinal tract

60
Q

what is the first sensation to be lost in PPN?

A

vibration