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LG Smith Notes > Chapter 35: Neuro > Flashcards

Chapter 35: Neuro Flashcards

1
Q

Cranial nerves with PS function?

A

3-7-9-10-11

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2
Q

PS post-ganglionic NT is?

A

Acetylcholine

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3
Q

CN that controls eye movement?

A

3-4-6

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4
Q

Findings indicating central vestibular disease?

A

Severe mentation changes, vertical/changing/deconjugate nystagmus, CN deficits other than 6 & 7, proprioceptive deficits.

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5
Q

CN 3 deficit

A

Mydriasis on the affected side, lateral strabismus,

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6
Q

CN 12 deficit

A

Tongue flaccid on affected side

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7
Q

No blinking and a dry cornea - which CN deficit?

A

7

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8
Q

Which CN innervates the tastebuds of the tongue?

A

7 & 9

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9
Q

CN 6 deficit

A

Medial strabismus

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10
Q

CN 4 deficit

A

Rotatory

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11
Q

CN1

A

Olfactory - smell - sensory

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12
Q

CN2

A

Optic - vision - sensory

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13
Q

CN3

A

Oculomotor - motor & PS

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14
Q

CN3 motor function

A

Extra-ocular muscles: dorsal, medial and ventral recti, ventral oblique

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15
Q

CN3 PS function

A

Pupillary constriction (PLR)

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16
Q

CN 4

A

Trochlear - motor - dorsal oblique (extra-ocular muscle)

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17
Q

CN5

A

Trigeminal - sensory & motor

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18
Q

CN5 sensory function

A

Facial sensation, including corneal

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19
Q

CN5 motor function

A

Closing of the jaws: masseter, temporal and medial pterygoid muscles. Opening of the jaws: lateral pterygoid, mylohyoid, geniohyoid and digastric muscles

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20
Q

CN6

A

Abducens - motor - lateral rectus & retractor bulbi

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21
Q

CN7

A

Facial - sensory & motor & PS

22
Q

CN7 sensory function

A

Taste - rostral 2/3 of tongue

23
Q

CN7 motor function

A

Muscles of facial expression & stapedius m.

24
Q

CN7 PS function

A

Lacrimal & mandibular salivary glands

25
Q

CN8

A

Vestibulocochlear - sensory - hearing & balance

26
Q

CN9

A

Glossopharyngeal - sensory & motor & PS

27
Q

CN9 sensory function

A

Pharyngeal & middle ear sensation. Taste to caudal 1/3 of the tongue.

28
Q

CN9 motor function

A

Pharyngeal & laryngeal m.

29
Q

CN9 PS function

A

Zygomatic & parotid salivary glands

30
Q

CN10

A

Vagus - sensory & motor & PS

31
Q

CN10 sensory function

A

Pharynx, larynx, tongue root, external ear canal & viscera

32
Q

Which nerves run through the equine guttural pouch?

A

CN 9-12
Glossopharyngeal
Vagus
Accessory
Hypoglossal

33
Q

CN10 motor function

A

Pharyngeal, laryngeal & oesophageal m.

33
Q

CN10 PS function

A

Visceral

34
Q

CN11

A

Accessory - motor & PS

35
Q

CN11 motor function

A

laryngeal m, parts of trapezius, brachiocephalic & sternocephalicus m.

36
Q

CN11 Ps function

A

Connects to CN10 - intrinsic m of the larynx, cervical & cranial thoracic oesophagus

37
Q

CN12

A

Hypoglossal - motor - tongue m.

38
Q

Palpebral reflex (afferent & efferent).

A

Afferent - CN 5 - lateral canthus maxillary branch/ medial canthus - ophthalmic branch. Efferent - CN7.

39
Q

Menace response (afferent & efferent).

A

Afferent - CN2. Efferent - CN7.

40
Q

Pupillary light reflex (afferent & efferent).

A

Afferent - CN2. Efferent - CN3.

41
Q

Corneal reflex (afferent & efferent).

A

Afferent - CN5 ophthalmic branch. Efferent - CN6.

42
Q

Nasal-cortical response (afferent & efferent).

A

Afferent - CN 5 - ophthalmic branch - septum/ maxillary branch - lateral nares. Efferent - conscious response.

43
Q

Physiological nystagmus (afferent & efferent).

A

Afferent - CN8. Efferent - CN3/CN4/CN6.

44
Q

Facial reflex (afferent & efferent).

A

Afferent - CN5/CN7. Efferent - CN7.

45
Q

Lateral & ventral strabismus. Ptosis. Mydriasis.

A

CN3 dysfunction.

46
Q

Dorsomedial strabismus.

A

CN6 dysfunction.

47
Q

Medial strabismus. Loss of corneal reflex.

A

CN6 dysfunction.

48
Q

Dysphagia. Dorsal displacement of the soft palate. Laryngeal paralysis.

A

CN9/CN10 dysfunction.

49
Q

Mayhew Ataxia Grading

A

0: Normal strength & orientation.
1: Mild neurological deficits are only noted under certain circumstances.
2: Mild neurological deficits noted at all times.
3: Moderate deficits at all times are obvious to all observers.
4: Severe deficits with a tendency to buckle, stumble spontaneously, trip and fall.
5: Recumbent, unable to stand.

LG Smith Notes (5 decks)

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