CN exam

Question 1

If bone conduction is louder is this a positive or negative Rinne’s test? Is this normal or abnormal? What does it indicate?

Answer 1

Negative, abnormal, sensorineural hearing impairment

Question 2

If a Weber’s test sounds louder in one ear what could this indicate?

Answer 2

Ipsilateral conductive hearing loss or contralateral sensorineural hearing loss

Question 3

Afferent and efferent of gag reflex?

Answer 3

Afferent = glossoP
efferent= vagus

Question 4

Afferent and efferent of corneal reflex?

Answer 4

The afferent pathway for this reflex is the Trigeminal Nerve and the efferent pathway for this reflex is the Facial Nerve

Question 5

General inspection?

Answer 5

Posture, gait, symmetry, abnormal movement

Do they normally wear hearing aids or glasses

Question 6

4 things to check in optic nerve CN2

Answer 6

Visual acuity
Visual fields
Pupillary reflexes (light and accom)
Fundoscopy

Question 7

What to look for before you do CN3,4,6?

Answer 7

asymmetry of eyes at rest and ptosis

Question 8

Which cranial nerve is the corneal reflex testing?

Answer 8

CN5 trigeminal

Question 9

What do you need to check in the jaw for CN5?

Answer 9

Muscles of mastication
Jaw open against resistance
Jaw side to side equally
Jaw jerk reflex

Question 10

CN9 and 10?

Answer 10

Cough
Uvula deviation ‘aaaaahh’
Gag reflex

Question 11

In snellen chart results 6/6 means what?

Answer 11

line said 6 by it