Week 1 Neuro Exam- Erickson

Question 1

CN 1

Answer 1

Olfactory
Sense of smell
located in roof of nasal cavity
terminates in olfactory bulb
Test: Pass oder under nose with eyes closed

Question 2

CN 2

Answer 2

Optic
Visual acuity, fields, pupils
Leads from eye to diencephalon through OPTIC FORAMEN (runs with opthalmic artery)
Test: Pocket card/ wall chart

Question 3

CN 3

Answer 3

Oculomotor
Pupils, eye movements (does all muscles except 2)
-superior orbital fissure
Test: Direct, consensual, acommodation, swinging flash light

Question 4

CN 4

Answer 4

Trochlear
Eye movements - superior oblique muscles
-superior orbital fissure

Question 5

CN 5

Answer 5

Trigeminal
Facial sensation, corneal response, muscles of mastication
Test: Cotton, pin, something cold, compare side to side

Question 6

CN 6

Answer 6

Abducens
Eye movements- lateral rectus muscle
Superior orbital fissure/cavernous sinus

Question 7

CN 7

Answer 7

Facial
Facial muscle movements
-internal auditory meatus
Test:

At rest observes palpebral fissures and nasloabial folds

Squeeze eyes shut, eyelashes should be buring

Smile/puff out cheeks

Peripheral vs. central facial weakness lesions

Question 8

CN 8

Answer 8

Vestibulocohlear
Hearing/ Dizziness/vertigo
-internal auditory meatus
Tests:
Weber- hearing impaired 1 side, conductive loss louder in affected ear
Rinne- tunning fork on mastoid, then front of ear

Vertigo Test:
Diz Hallpike maneuver
Calorics

Question 9

CN 9

Answer 9

Glossopharyngeal

-jugular foramen

Question 10

CN 10

Answer 10

Vagus
Palate elevations
Gag reflex
swallow
-jugular foramen
Test: listen for horseness or breathiness

Question 11

CN 11

Answer 11

Accesory
Innervates sternoclidomastoid, traps
-foramen magnum
Tests: turn head against resistance at chin, shoulder shrug is not as good

Question 12

CN 12

Answer 12

Hypoglossal
Tongue
-hypoglossal foramen
Tests: Slurring w/ lingual sounds, observe at rest for fasciculation, observe w/ protrusion and movement for deviation to one side and slowness

Question 13

What are the components of a mental status exam? What part of the brain is associated with mental status?

Answer 13

Cortex

• Level of consciousness (awakeness, awareness)
• Orientation (person, place, time)
• Attention/Concentration (months of the year backwards)
• Calculation (serial 7’s)
• Language (naming, repetition, comprehension, fluency)
• Speech
• Memory (3 words)
• Fundamental Knowledge (president, nickels in a dollar, recent events)

Question 14

What should you look for in a fundoscopic exam?

Answer 14

• Blurring of disk margins
• Loss of venous pulsations
• Color of optic nerve head

Question 15

Three components of a motor exam?

Answer 15

Bulk- observe for atrophy
Tone- passive movement around a joint (spastic, rigid, paratonia, flaccid)
Strength- compare side to side and proximal/ distal. Grade 0-5

Question 16

What does the finger to nose to finger test?

Answer 16

Cerebellum

Question 17

What does rapid alternating hand movements test?

Answer 17

Frontal Lobes

Question 18

What does fine finger and toe tapping test?

Answer 18

Basal Ganglia, Cortex