Neurology - CN + Lesion Recap Flashcards
CN I, function and test
Olfactory
Smell
No test
CN II, function and test
Occular
Vision
Menace, PLR
CN III, function and test
Ocularmotor
Motor eye
PLR
Look for anisocoria, strabismus, nystagmus
CN IV, function and test
Trochlear
Motor eye
Look for anisocoria, strabismus, nystagmus
CN V, function and test
Trigeminal
Facial sensation and jaw movement
Skin sensation, palpebral and corneal
CN VI, function and test
Abducens
Motor eye
Look for anisocoria, strabismus, nystagmus
CN VII, function and test
Facial
Facial expression
Menace, muscle symmetry, lacrimal glands (Schirmer tear test)
CN VIII, function and test
Vestibular cochlear
Hearing and balance
Asses hearing and nystagmus
CV IX, function and test
Glossopharyngeal
Swallowing
Animal able to sawallow?
CN X, function and test
Vagus
Swallowing and PSNS
Hard to asses (voice and GI)
CN XI, function and test
Accessory
Swallowing
Neck tone and swallowing
CN XII, function and test
Hypoglossal
Tongue movement
Tongue tone
What type of a paralysis occurs with an UMN disorder?
Spastic paralysis, reflexes intact, tone maintained
What type of a paralysis occurs with an LMN disorder?
Flaccid paralysis, lack of reflexes, lack of tone
For a forebrain lesions, what is the key clinical sign?
Seizure
An animal presents with ataxia and muscle tremors, where is the lesion localised?
Cerebellum
An animal presents with cardiovascular and respiratory problems, if there is a brain lesion, where would it be localised?
Medulla Oblongata
For a Central Vestibular Nuclei of the Medulla lesion, what are the key clinical signs?
Nystagmus, head tilt, ataxia
For a midbrainlesions, what are the key clinical signs?
Nystagmus, strabismus (abnormal eye position)
An animal presents with UMN signs in both forelimb and hind limbs, where can the lesion be localised?
Cranial to the brain stem (brain)
C1 to C5
An animal presents with UMN signs in the hindlimb and LMN in the forelimbs, where can the lesion be localised?
C6 - T2
An animal presents with UMN in the hindlimb and normal in the forelimbs, where can the lesion be localised?
T3-L3
An animal presents with LMN in the hindlimb and normal in the forelimbs, where can the lesion be localised?
L4 - S3
