Flashcards in Exam 3- sensory and CN part 2 Deck (65):
what tests for abnormal reflexes?
Jaw reflex- tests which CN
Cranial nerve V
Jaw reflex- is preformed how?
~Depression of jaw slightly with finger
~percuss finger to open jaw further
Jaw reflex- what is the positive response?
Snout reflex- tests which CN
Snout reflex- is preformed how?
Percussion of upper lip at midline in philtrum region
Snout reflex- what is the positive response?
puckering or pursing of lips
Glabellar reflex- tests which CN
Glabellar reflex- is preformed how?
Percussion of glabella of eye
Glabellar reflex- what is the positive response?
blinking when tapped- positive if still blinking when tapped 5+ times and not adapting to the tap.
Hoffman’s reflex- tests which CN
CN VI- VIII (cervical nerves)
Hoffman’s reflex- is preformed how?
Flick distal phalanx of long finger: wrist in neutral and metacarpal jt in slight extension
Hoffman's reflex- what is the positive response?
when thumb and index finger move toward opposition
CN I is
CN I- motor/ sensory/ auto?
CN I- how to test?
test one nostril at a time with a nonnoxious smell
CN I- any other info
Good to know if someone can smell- fire, chemicals
CN II- name
CN II- motor/ sensory/ auto?
CN II- how to test?
~the Snellen chart
~test peripheral vision
~corneal light reflexion test
CN II-the Snellen chart
~the eye exam to test how well you can read far away
~See if they can read
CN II- Test peripheral vision
test to see if you can see the normal visual field (average- 90 to the side, 60 up, 70 down)
CN II- Cornel light reflexion test
~see if there is a shape difference of the eye
~shine a light in the eye and you can see the reflection of light in the pupil
CN III- name
CN III- motor/ sensory/ auto?
CN III- how to test?
~Pupillary light reflex
~Convergence/ divergence testing
CN III- Pupillary light reflex
direct/indirect when blocking the other eye, the direct stimulation will have more constriction than the other one
CN III- Convergence/ divergence testing
looking far, near, you will dilate/ constrict
CN III- other info
~don’t have to know which movements go with which CN for eyes
~Ptosis- can’t open the eye lids
CN IV- name
CN IV- motor/ sensory/ auto?
CN IV- how to test
Test eye movements
CN V- name
CN V- motor/ sensory/ auto?
CN V- how to test
~Test the Masseter
CN V- Test the Masseter
Have them bite, gave them move side to side with jaw
CN V- Corneal Reflex
Take cotton and touch eye, they should blink
CN V- other info
Facial fractures, etc can get it injured- can get injured easily
CN VI- name
CN VI- motor/ sensory/ auto?
CN VI- how to test
CN VII- name
CN VII- motor/ sensory/ auto?
Motor, sensory, autonomic
CN VII- how to test
CN VII- Test motor
by smile, raise eyebrows, close eyes
CN VII- test sensory
by having them taste (have to have them test bilaterally)
CN VIII- name
CN VIII- motor/ sensory/ auto?
CN VIII- how to test
CN VIII- hearing test
~rubbing fingers together next to their ears
~Weber tuning fork (sound that is louder has an air conduction problem)
~Rinne tuning fork (leave until it stops on the bone then put it next to the ear and they should be able to hear though the air)
CN VIII- vestibular testing
CN IX- name
CN IX- motor/ sensory/ auto?
Sensory, motor, autonomic
CN IX- how to test
Do they have a Gag reflex
CN X- name
CN X- motor/ sensory/ auto?
Motor, sensory, autonomic
CN X- how to test
Does the pt have a swallowing issue?
CN X- S/s of problems:
drooling, trouble eating, problems drinking water; can lead to cough/ chocking
CN XI- name
CN XI- motor/ sensory/ auto?
CN XI- how to test
Test by if the pt can Shrug shoulders, turn head
CN XI- other info
One of the few CNs that a PT can damage
CN XII- name
CN XII- motor/ sensory/ auto?