Neuro Screen

Question 1

What is sensory integration?

Answer 1

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

Question 2

What is somatosensation (somatosensory)?

Answer 2

Sensation received from the skin and musculoskeletal system

Question 3

How does sensory info travels to the sensory cortex?

Answer 3

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

Question 4

What sensations are carried by the small unmyelinated fibers?

Answer 4

Pain and temperature sensation

Question 5

What sensations are carried by large myelinated fibers?

Answer 5

Vibration and proprioception (joint position)

Question 6

What does normal sensation allow a pt to detect?

Answer 6

-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

Question 7

What causes sensory loss?

Answer 7

• Spinal cord lesions
• Nerve root lesion
• Peripheral neuropathy
• Peripheral nerve lesion

Question 8

What are dermatome patterns?

Answer 8

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

Question 9

C1/C2 Myotomes

Answer 9

Neck flexion/extension

Question 10

C3 Myotome

Answer 10

Neck lateral flexion

Question 11

C4 Myotome

Answer 11

Shoulder elevation

Question 12

C5 myotome

Answer 12

Shoulder abduction

Question 13

C6 myotome

Answer 13

Elbow flexion, wrist extension

Question 14

C7 myotome

Answer 14

Elbow extension, wrist flexion

Question 15

C8 myotome

Answer 15

Finger flexion

Question 16

T1 myotome

Answer 16

Finger abduction

Question 17

L2 myotome

Answer 17

Hip flexion

Question 18

L3 Myotome

Answer 18

Knee extension

Question 19

L4 myotome

Answer 19

Ankle DF

Question 20

L5 myotome

Answer 20

Great toe extension

Question 21

S1 myotome

Answer 21

Ankle PF, EV, and hip extension

Question 22

S2 myotome

Answer 22

Knee flexion

Question 23

S3-S4 myotome

Answer 23

Anal wink

Question 24

What is sporadic sensory loss?

Answer 24

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

Question 25

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

Answer 25

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

Question 26

What sensory exams do you perform?

Answer 26

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