Cranial Nerves

Question 1

What are the nerves providing ordinary sensation to the ear?

Answer 1

Facial and Glossopharyngeal

Question 2

What type of innnervation is the autonomic functions?

Answer 2

Parasympathetic

Question 3

What tests test the optic nerve?

Answer 3

Visual acuity
Visual fields
Pupillary reactions
Fundoscopg
Colour vision

Question 4

What is ptosis?

Answer 4

Drooping of upper eyelid

Question 5

Answer 5

A = SR
B = LR
C = IR
D = IO
E = MR
F = SO

Question 6

What does a strong jaw jerk imply?

Answer 6

Upper motor neuron lesion

Question 7

If you ear is blocked, what is wrong?

Answer 7

Not a nerve problem, it’s a conduction problem

Question 8

If your vestibulocochlear nerve, what are the symptoms?

Answer 8

Balance, dizzy, lightheaded

Question 9

What are the tests for vestibulocochlear nerve?

Answer 9

Dix-hallpike manoeuvre

Utenberger’s test

Question 10

What 2 nerves do we test together?

Answer 10

Vagus

Glossopharyngeal

Question 11

Does the palate usually move symmetrically?

Answer 11

Usually

Question 12

What quality of speech occurs if the Glossopharyngeal nerve is compromised?

Answer 12

Nasally speech

Poor quality of speech

Question 13

What nerve is compromised if you swallow things the wrong way or can’t cough?

Answer 13

Glossopharyngeal

Question 14

What muscle shrugs out shoulders?

Answer 14

Trapezius

Question 15

What nerves are you testing with the papillary light reaction?

Answer 15

Afferent II

efferent III

Question 16

What nerves are you testing with a corneal reflex?

Answer 16

Afferent - V
Efferent - VII

Question 17

What nerve is tested in jaw jerk?

Answer 17

Afferent and efferent - V

Question 18

What nerves are tested in gag reflex?

Answer 18

Afferent - IX
efferent - X

Question 19

Where is a bilateral oculomotlr nerve coming from?

Answer 19

Midbrain

Question 20

Where would problems with cranial nerves III, IV and VI coming from?

Answer 20

Superior orbital fissure

Question 21

Where are problems with CNVI and CNVII coming from?

Answer 21

Pons

Question 22

Where are problems with nerves V and VIII coming from?

Answer 22

Cerebellopontine angle

Question 23

What would cause unusual combinations of CN?

Answer 23

Chronic or malignant meningitis

Question 24

What disease is associated with pure motor signs?

Answer 24

Myasthenia gravis

Question 25

What can double vision imply?

Answer 25

Myasthenia or thyroid eye disease