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