Sensory system examination

Question 1

screening procedure means

Answer 1

tests ascending tracts

Question 2

crude touch

Answer 2

ask patient when he or she is being touched by dull end of neurotic

screening procedure

Question 3

Pain

Answer 3

ask patient to identify when being touched by sharp end of the neurotip

screening procedure

Question 4

vibration/Pallesthesia

Answer 4

vibrate 128hz tuning fork on bony prominences of upper and lower extremities (3 DIPS, 5th metatarsal base, radial and ulnar styloids, medial/lateral malleoli) Ask patient to say when vibration is stopped

screening procedure

Question 5

light tough

Answer 5

Ask patient to identify when being touched by cotton swab or brush

screening procedure

Question 6

joint position sense

Answer 6

Dr. stablizes lateral surface of fingers or toes and asks patient to identify if it is up or down (start distal and go proximal: DIP, PIP, MCP joints)

screening procedure

Question 7

rhomberg

Answer 7

ask patient to stand should width apart and close eyes. Doctor stands close to steady the patient.

swaying=dorsal column involvement

screening procedure

Question 8

Discriminatory sensation

Answer 8

tests the integrity of somatosensory cortex

Question 9

Point localization

Answer 9

ask patient to identify multiple points the doctor touches with the dull end of neurotic, paperclip, or toothpick

Discriminatory sensation

Question 10

Sharp vs Dull discrimination

Answer 10

ask the patient to identify multiple points the doctor touches with dull or sharp end being applied to multiple points

Discriminatory sensation

Question 11

Stereognosis

Answer 11

ask patient to identify objects e.g. keys, pencil etc via touch

Discriminatory sensation

Question 12

graphesthesia

Answer 12

Patient identifies letts or numbers traced lightly on skin

Discriminatory sensation

Question 13

barognosis

Answer 13

ask patient to identify difference between two same sized objects of a different weight

Discriminatory sensation

Question 14

two point discrimination

Answer 14

Discriminatory sensation

Question 15

double simultaneous stimulation

Answer 15

touch patient on each side individually and then bilaterally

Discriminatory sensation

Question 16

extinction

Answer 16

only one side is felt

double simultaneous stimulation

Question 17

displancement

Answer 17

one side felt normally and the other displaced toward midline

(double simultaneous stimulation)

Question 18

synesthesia

Answer 18

one side is felt normally and the other is vague burning

double simultaneous stimulation