Cranial Nerves/ Neuro Exam

Question 1

Cranial Nerve 1 detects what?

Answer 1

Smell.

Question 2

Cranial Nerve 2 is what nerve?

Answer 2

Optic .

Question 3

How do I test cranial nerve two?

Answer 3

Visual acuity in each eye

Question 4

Cranial nerve three is called what?

Answer 4

Oculomotor

Question 5

How do I test cranial nerve III?

Answer 5

Pupil size and constriction with light. Also check the near response, convergence, and accommodation. Problems with cranial nerve III can lead to ptosis (Myasthenia Gravis, Horner syndrome).

Question 6

Explain the Snellen chart

Answer 6

First number is the patient’s distance from the chart. Second is the distance at which a normal eye can read the line of letters

Question 7

Myopia is what?

Answer 7

Nearsightedness

Question 8

Hyperopia is what?

Answer 8

farsightedness

Question 9

Presbyopia is what?

Answer 9

focusing problems for near vision found in middle aged and older adults

Question 10

How do we measure confrontation?

Answer 10

Static finger wiggle test

Question 11

Cranial nerve IV is what?

Answer 11

Trochlear

Question 12

Cranial nerve VI is what?

Answer 12

Abducens

Question 13

How do we test cranial nerves 3, 4, & 6?

Answer 13

EOM. Ask the patient if they see any double vision. “diplopia”. Watch for nystagmus.

Question 14

How to I test cranial nerve 5?

Answer 14

Check the strength of the temporal and masseter muscles by having the patient clench their jaw. Ask them to open the mouth and move jaw side to side. Then check sensory to three areas on both sides using a soft object (cotton), sharp object (broken popsicle stick), normal sensation with a finger. If any abnormalities check temperature sensation.

Question 15

Cranial nerve 5 is called what?

Answer 15

Trigeminal

Question 16

Cranial nerve 7 is called what?

Answer 16

Facial nerve

Question 17

How to I test cranial nerve 7?

Answer 17

Ask the patient to frown, raise both eyebrows, close both eyes tightly and I try to separate them, poof cheeks, smile, show both their upper and lower teeth.

Question 18

How can I tell Bell’s palsy from a central lesion?

Answer 18

Bell palsy affects both the upper and lower face. A central lesion mainly affect the lower face. Bell’s palsy is also associated with eye tearing and poor taste sensation.

Question 19

Cranial nerve VIII is what (8)?

Answer 19

Vestibulocochlear

Question 20

How do I test cranial nerve 8?

Answer 20

Whisper test

Question 21

Vertigo + Hearing loss + nystagmus typically identifies what?

Answer 21

Meniere Disease

Question 22

Cranial nerve IX (9) is what?

Answer 22

Glossopharyngeal

Question 23

Cranial nerve X is what?

Answer 23

Vagus nerve

Question 24

How do I test cranial nerves 9 and 10?

Answer 24

Have the patient open wide and say “ah” what for movement of the soft palate and the uvula.

Question 25

Cranial nerve XI is what?

Answer 25

Spinal accessory

Question 26

How do I inspect cranial nerve XI?

Answer 26

Look to see if the scapula are symmetrical. Look for fasciculations. Ask the patient to shrug shoulders against your hands. Ask the patient to push against each hand to test the SCM.

Question 27

How do I inspect cranial nerve XII? The hypoglossal?

Answer 27

Ask the patient to stick out their tongue.

Question 28

The pronator drift test can detect what?

Answer 28

cortical spinal tract lesion

Question 29

Stereognosis

Answer 29

Can they identify an object they are holding?

Question 30

Graphesthesia

Answer 30

can they feel the number you draw on their palm.

Question 31

When grading a reflex a score of 4 would include what?

Answer 31

clonus

Question 32

A flexion of the hips and knees in response to flexing the neck indicates a positive what?

Answer 32

Brudzinski sign