Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Neurology > Clinical anatomy of cranial nerves > Flashcards

Clinical anatomy of cranial nerves Flashcards

1
Q

What runs in the cribriform plate of the ethmoid bone?

A

Olfactory nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the contents of the optic canal of the sphenoid bone?

A

Optic nerve and the ophthalmic artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

In what bone is the superior orbital fissure?

A

Sphenoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What runs in the SOF?

A 
Lacrimal nerve
CN V1 
Superior ophthalmic vein 
CN 4
CN 3 
CN 6 
Inferior ophthalmic vein
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What runs in the foramen rotundum?

A

Maxillary nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What runs in the foramen ovale?

A

Mandibular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What runs in the internal acoustic meatus?

A

Facial nerve
Vestibulocochlear nerve
Vestibular ganglion
Labyrinthe artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What runs in the jugular foramen?

A

Inferior petrosal sinus
Glossopharyngeal nerve, vagus nerve and spinal accessory nerve
Sigmoid sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In what bone is the internal acoustic meatus?

A

Petrous part of temporal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

In what bone is the hypoglossal canal?

A

Occipital bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What runs in the hypoglossal canal?

A

Hypoglossal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What runs in the foramen magnum?

A 
Medulla
Meninges
Vertebral arteries
Anterior and posterior spinal arteries
Dural veins
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What runs in the foramen spinosum?

A

Middle meningeal artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Where will the optic nerve connect with the CNS?

A

Diencephalon at the lateral geniculate nucleus where it will then radiate to the visual cortex at the occipital lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How can the optic nerve be tested?

A 
Acuity - snellen
Colour - ishihara
Fields
Reflexes
Fundoscopy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where does the oculomotor nerve originate?

A

Midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What are the contents of the cavernous sinus?

A 
Oculomotor nerve
Trochlear nerve
Ophthalmic branch of trigeminal nerve
Maxillary branch of trigeminal nerve
Internal carotid artery
Abducens nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Where does the trochlear nerve originate?

A

Midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Where does the abducens nerve originate?

A

Pontomedullary junction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

How are CN 3,4 and 6 tested?

A

H test - eye movements

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Where does the vestibulocochlear nerve originate?

A

Pontomedullary junction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

How is the vestibulocochlear nerve tested?

A

Rinne

Weber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Describe rinne and weber testing?

A

Rinne - hold infront of ear and then on mastoid. In conducive hearing loss, you will hear better when on mastoid whereas in sensorineural you will hear better in air
Weber - hold tuning fork on head - sensorineural it will lateralise to normal ear but in conduction it will go towards affected ear

24
Q

Where does the spinal accessory nerve originate on the CNS?

A

Cervical spinal cord - top 4 segments

25
Q

How is the spinal accessory nerve tested?

A

Shug shoulders = trapezius

Turn head to flex neck and turn head towards opposite side

26
Q

Where does the hypoglossal nerve connect with the CNS?

A

Via many rootlets lateral to the pyramids of the medulla oblongata

27
Q

Where will the hypoglossal canal descend?

A

Lateral to the carotid sheath

At level of hyoid, tuns anteriorly towards lateral aspect of tongue

28
Q

What is the medullary olive?

A

Inferior olive - cerebellar system

Superior orlive - pons and part of the auditory system, aiding the perception of sound

29
Q

What innervates the palatoglossus muscle?

A

Vagus nerve

30
Q

How is the hypoglossal nerve tested?

A

Stick tongue straight out
If there is unilateral pathology - the tongue tip will point towards the injured nerve
The Tongue tells the Truth

31
Q

Which division of the trigeminal nerve provides sensory and motor innervation?

A

Only mandibular division

32
Q

What part of the brain does the trigeminal nerve come off?

A

Pons

33
Q

Where does the trigeminal nerve run in the brain?

A

Inferior to edge of tentorium cerebelli between post and middle cranial fossa

34
Q

What type of neurones will the trigeminal sensory have?

A

Pseudounipolar = SENSORY NEURONES

35
Q

What is the sensory distribution of CN V1?

A

Upper eyelid
Cornea (corneal reflex)
Conjunctiva
Skin of root/bridge/tip of nose

36
Q

What is the sensory distribution of CN v2?

A

Skin of lower eyelid
Skin over maxilla
Skin over ala of nose
Skin of upper lip

37
Q

What is the sensory distribution of CN V3?

A

Skin over mandible and TMJ

38
Q

What supplies the angle of the mandible?

A

Greater auricular nerve; C2,3

39
Q

What is the deep sensory territory of V1?

A

Bones and soft tissues of orbit
Upper anterior nasal cavity
Paranasal sinuses except the maxillary sinus
Anterior and posterior cranial fossa

40
Q

What is the deep sensory territory of V2?

A

Lower posterior nasal cavity
Maxilla and maxillary sinus
Floor of nasal cavity/ palate
Maxillary teeth and assoc soft tissues

41
Q

What is the deep sensory territory of V3?

A 
Middle cranial fossa
Mandible
Anterior 2/3rds of tongue
Floor of mouth 
Buccal mucosa
Mandibular teeth
42
Q

What is the CN V3 motor supply?

A 
Masseter
Temporalis
Medial Pteygoid 
Lateral pteygoid 
Tensor veli palatini
Tensor tympani
43
Q

Where does the facial nerve connect to the CNS?

A

Pontomedullary junction

44
Q

What is the course of somatic motor facial nerve axons?

A

Pass through internal acoustic meatus and then through the stylomastoid foramen
Pass into the parotid gland to then supply muscles of facial expression

45
Q

What is the action of the chorda tympani?

A

Taste buds to anterior 2/3rds of tongue

Parasymp to submandibular and sublingual glands

46
Q

What muscle in the inner ear does the facial nerve supply?

A

Stapedius muscle

47
Q

What is the function of the lingual nerve?

A

V3 to supply general sensation to the anterior 2/3rds of the tongue

48
Q

What are the muscles of facial expression?

A

Frontalis
Orbicularis oris
Elevators of lips
Orbicularis oculi

49
Q

Where does the glossopharyngeal nerve originate on the CNS?

A

Medulla oblongata

50
Q

What is the general sensory actions of the glossopharyngeal nerve?

A 
Posterior 1/3rd of tongue 
Mucosa of most of nasopharynx and oropharynx 
Mucosa of some of laryngopharynx 
Palatine tonsil
Eustachian tube
Middle ear cavity
51
Q

What is the special sensory action of the glossopharyngeal nerve?

A

Vallate papillae on post 1/3rd of tongue

52
Q

What is the parasymp action of the glossopharyngeal nerve?

A

Parotid gland

53
Q

What are the visceral afferent actions of the glossopharyngeal nerve?

A

Carotid sinus
Baroreceptors
Carotid body chemoreceptors

54
Q

What is the somatic motor action of the glossopharyngeal nerve?

A

Stylopharyngeus

55
Q

Where does the vagus nerve connect with the CNS?

A

Medulla oblongata

56
Q

Where will the vagus nerve run within the neck?

A

Within the carotid sheath

Posterior to and between the common carotid artery and internal jugular vein

57
Q

Describe the differences between the left and right recurrent laryngeal nerves?

A

Left hooks under arch of aorta

Right hooks under right subclavian

Neurology (48 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions