Cranial nerve problems I should know about - for Nurses

What is the most common cause of peripheral vestibular signs in the dog?

Hypothyroidism

Idiopathic vestibular disease

Otitis interna

Otitis media

What is the recommended treatment for idiopathic trigeminal neuritis causing a dropped jaw?

Antimicrobials

Corticosteroids

Non-steroidal anti-inflammatory drugs (NSAIDs)

Supportive care

Where would you expect a lesion causing Horner’s syndrome?

Brachial plexus

Cervical spinal cord

Middle ear

All above options are correct

What clinical signs would you expect in a dog presenting with optic neuritis:

Blindness with normal pupillary light reflexes

Blindness with reduced/absent pupillary light reflexes

Miotic pupils with normal pupillary light reflexes but normal vision

Dilated pupils with reduced/absent pupillary light reflexes but normal vision

Which cranial nerves cause dysphagia when affected?

II and III

V and VII

V and X

IX and X

Which cranial nerves mediate the palpebral (blink) reflex?

II and III

V and VI

V and VII

VI and VIII

Which cranial nerves mediate the pupillary light (PLR) reflex?

II and III

II and IV

III and IV

V and VII

What medication can you use to confirm the presence of Horner’s syndrome?

Adrenaline

Butorphanol

Neostigmine

Phenylephrine

What is the most common clinical sign associated with megaoesophagus in dogs?

Anorexia

Diarrhoea

Regurgitation

Vomiting

What is NOT a cause for acquired sensorineural deafness in dogs:

Anaesthesia induced deafness

Chronic otitis interna (+/- media)

Ear canal atresia (malformation)

Noise induced deafness

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Cranial nerve problems I should know about - for Nurses