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4th yr- CMS- Clinical Skill s > 2- Cranial nerve examination and lymph nodes > Flashcards

2- Cranial nerve examination and lymph nodes Flashcards

1
Q

Name the 12 cranial nerves

A 
Olfactory 
Optic 
Oculomotor
Trochlear
Trigeminal 
Abducens
Facial 
Vestibulocochlear
Glossopharyngeal
Vagus 
Accessory 
Hypoglossal
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2
Q

Is the olfactory nerve sensory or motor

A

Sensory

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3
Q

Is the optic nerve sensory or motor

A

Sensory

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4
Q

Is the oculomotor nerve sensory or motor

A

Motor

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5
Q

Is the trochlear nerve sensory or motor

A

motor

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6
Q

Is the Trigeminal nerve sensory or motor

A

both

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7
Q

Is the abducens nerve sensory or motor

A

Motor

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8
Q

is the facial nerve sensory or motor

A

Both

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9
Q

Is the vestibulocochear nerve sensory or motor

A

Sensory

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10
Q

Is the glossopharyngeal nerve sensory or motor

A

Both

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11
Q

Is the vagus nerve sensory or motor

A

both

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12
Q

Is the accessory nerve sensory or motor

A

Motor

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13
Q

Is the hypoglossal nerve sensory or motor

A

motor

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14
Q

What is the function of the olfactory nerve

A

Smell

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15
Q

What is the function of the optic nerve

A

Sight

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16
Q

What is the function of the OCULOMOTOR nerve

A

Moves eyes

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17
Q

What is the function of the trochlear nerve

A

Moves eyes

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18
Q

What is the function of the trigeminal nerve

A

Sensory: to taste and touch
Motor: Moves jaw

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19
Q

What is the function of the abducens nerve

A

Moves eyes

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20
Q

What is the function of the Facial nerve

A

Sensory is to taste

Motor to move the face

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21
Q

What is the function of the Vestibulocochlear nerve

A

Hearing

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22
Q

What is the function of the glossopharyngeal nerve

A

Sensory is to touch in the mouth

Motor is to move the palate

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23
Q

What is the function of the vagus nerve

A

Sensory is to touch in the mouth

Motor is to move the palate

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24
Q

What is the function of the accessory nerve

A

To move the shoulders and neck

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25
Q

What is the function of the hypoglossal nerve

A

Moves tongue

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26
Q

Before we go onto testing the cranial nerve what do we do

A

Introduce ourself to the patient and wash our hands
Explain to the patient what we are about to do and get consent
Face the patent and make sure they are comfortable

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27
Q

Name cranial nerve I

A

Ophthalmic

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28
Q

How do we test cranial nerve I

A

Ask about the patients sense of smell

Get them to test and identity different smelling objects

29
Q

What is cranial nerve II called

30
Q

How might we test cranial nerve II

A

-Visual acuity
-Visual fields
-Blind spot
-Colour vision
-Pupil reaction to light and accomodation
(-Fundoscopy)

31
Q

Name three nerves we can test together

A

III- Oculomotor
IV- Trochlear
VI- Abducens

32
Q

How do we test cranial neves III, IV, VI

A

Ask paint if they have experienced blurred or double vision

Look fro symmetry of eye movement

33
Q

Give a condition affecting cranial nerve III

A

Third nerve palsy

34
Q

What is third nerve palsy

A

The characteristic sign of a unilateral occulomotor nerve palsy

35
Q

What are characteristic signs of third nerve palsy

A
  1. Ptosis of the upper eyelid
  2. Dilation of the pupil
  3. Depressed and abducted resting eye
36
Q

What is Ptosis

A

Dropping of the eyelid

37
Q

Why does Ptosis of the upper eyelid occur in third nerve palsy

A

Due to act of actin of the levator palpebrae superioris

38
Q

Why does dilation of the pupil occur in third nerve palsy

A

due to loss of sphincter papillae function

39
Q

Why causes the depressed and abducted resting eye seen in third nerve palsy

A

The IV and VI nerve eye muscle acting unopposed

40
Q

what is another term used to describe third nerve palsy

A

Down and out syndrome

41
Q

What can cause third nerve palsy

A
  1. Vascular eg diabetes, hypertension
  2. Aneurysms
  3. Congenital conditions
42
Q

Give a condition affecting cranial nerve iv

A

Fourth nerve palsy

43
Q

what muscle does cranial nerve 4 supply

A

Trochlear nerve supplies Superior oblique muscle

44
Q

Describe a patient who has fourth nerve palsy

A

Affected eye looks slightly ip and head tilts away from lesion
The eye drifts upwards upon examination

45
Q

What might a patient with fourth nerve palsy complain of

A

neck pain or double vision during reading

46
Q

Give a condition affecting cranial nerve vi

A

Sixth nerve palsy

47
Q

What muscle does cranial nerve 6 supply

A

Abducens nerve su[[lies lateral rectus muscle

48
Q

What can sixth nerve palsy cause

A

Esotropic (inward) quint and resulting double vision

49
Q

Name cranial nerve 5

A

Trigeminal nerve

50
Q

How do we test the sensory aspect of the trigeminal nerve

A
  1. Facial sensations
  2. Sensations int eh oral cavity
  3. Corneal reflex
51
Q

How do we test the motor aspect of the trigeminal nerve

A

Muscles of mastication

Jaw movements and jaw jerk reflex

52
Q

What is cranial nerve 7 called

A

facial nerve

53
Q

How do we test the sensory aspect of the facial nerve VII

A

Sensations of external ear

Ask about taste

54
Q

How do we test the motor aspect of the facial nerve VII

A

Movement of facial muscles

55
Q

Give a condition affecting cranial nerve vii

A

Facial nerve palsy

56
Q

What is another term for facial nerve palsy

A

Bells palsy

57
Q

Gives some possible symptoms of bells palsy

A
  1. Droppy eyelids
  2. Dry eyes or excessive tears
  3. Facial paralysis, twitching or weakness
  4. Dropping corner of mouth
  5. Dry mouth or impaired taste
58
Q

How do we treat bells palsy

A

Usually resolves spontaneously over weeks to months and caused by viral infection

59
Q

Name cranial nerve 8

A

Vestibulocochlear

60
Q

How do we test cranial nerve 8?

A

Gross hearing assessment

Webers and Rinnes test

61
Q

Name cranial nerve 9

A

Glossopharyngeal

62
Q

Name cranial nerve 10

63
Q

How do we test the motor aspect of the facial nerve IX AND X

A

movement of palate and pharynx

64
Q

How do we test the sensory aspect of the facial nerve IX AND X

A

Gag reflex

65
Q

Name cranial nerve 11

66
Q

How do we test cranial nerve xi

A

Movement and strength of neck and shoulders

67
Q

Name cranial nerve 12

A

Hypoglossal

68
Q

How do we test cranial nerve xii

A

Look for:
fasciculation/wasting
Tongue movement
Tongue power

4th yr- CMS- Clinical Skill s (3 decks)

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