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508 > Neuro Screen > Flashcards

Neuro Screen Flashcards

1
Q

What is sensory integration?

A

The ability of the brain to organize, interpret, and use sensory information

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2
Q

What is somatosensation (somatosensory)?

A

Sensation received from the skin and musculoskeletal system

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3
Q

How does sensory info travels to the sensory cortex?

A

Peripheral receptors> through peripheral nerves> nerve roots> spinal cord> brain stem> thalamus> sensory cortex

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4
Q

What sensations are carried by the small unmyelinated fibers?

A

Pain and temperature sensation

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5
Q

What sensations are carried by large myelinated fibers?

A

Vibration and proprioception (joint position)

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6
Q

What does normal sensation allow a pt to detect?

A

-Pain (pin prick) and temperature in whichever area is tested
- Vibration at tips of fingers and toes
- Joint position (small amplitude movements) at distal joints

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7
Q

What causes sensory loss?

A
  • Spinal cord lesions
  • Nerve root lesion
  • Peripheral neuropathy
  • Peripheral nerve lesion
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8
Q

What are dermatome patterns?

A

Specific patterns of innervation as nerves exit the spinal column; Based on a general map

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9
Q

C1/C2 Myotomes

A

Neck flexion/extension

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10
Q

C3 Myotome

A

Neck lateral flexion

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11
Q

C4 Myotome

A

Shoulder elevation

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12
Q

C5 myotome

A

Shoulder abduction

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13
Q

C6 myotome

A

Elbow flexion, wrist extension

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14
Q

C7 myotome

A

Elbow extension, wrist flexion

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15
Q

C8 myotome

A

Finger flexion

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16
Q

T1 myotome

A

Finger abduction

17
Q

L2 myotome

A

Hip flexion

18
Q

L3 Myotome

A

Knee extension

19
Q

L4 myotome

20
Q

L5 myotome

A

Great toe extension

21
Q

S1 myotome

A

Ankle PF, EV, and hip extension

22
Q

S2 myotome

A

Knee flexion

23
Q

S3-S4 myotome

24
Q

What is sporadic sensory loss?

A

Systemic pathology that produces unpredictable or scattered patterns of sensory loss (Ex. Multiple Sclerosis)

25
Q

What is peripheral neuropathy? What body parts are affected first? Pattern?

A
  • Loss, altered, or abnormal sensation that starts at periphery and spreads proximally
  • Toes and feet
  • Glove and stocking
26
Q

What sensory exams do you perform?

A
  • Light touch
  • Pain (sharp/dull)
  • Temperature
  • Vibration
  • Stereognosis
  • 2 Point discrimination
  • Barognosis (texture)
  • Kinesthesia
  • Proprioception
  • Double simultaneous stimulation
  • Graphesthesia

508 (11 decks)

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