Brainscape's Knowledge GenomeTM

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


See full index

Nick's neuro > Skull and meninges > Flashcards

Skull and meninges Flashcards

1
Q

Which structures pass through the superior orbital fissure?

A

Trochlear n. Abducens n. Occulomotor n. Ophthalmic branch of trigeminal n.

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

Which structures pass through the optic canal?

A

Optic nerve and ophthalmic artery

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

Which structure passes through foramen rotundum?

A

Maxillary branch of trigeminal nerve

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

Which structure passes through foramen ovale?

A

Mandibular branch of trigeminal nerve

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

Which skull foramen does the optic nerve pass through?

A

Optic canal

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

Which skull foramen does the trochlear nerve pass through?

A

Superior orbital fissure

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

Which skull foramen does the abducens nerve pass through?

A

Superior orbital fissure

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

Which skull foramen does the occulomotor nerve pass through?

A

Superior orbital fissure

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

Which skull foramen does the ophthalmic branch of the trigeminal nerve pass through?

A

Superior orbital fissure

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

Which skull foramen does the maxillary branch of the trigeminal nerve pass through?

A

Foramen rotundum

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

Which skull foramen does the mandibular branch of the trigeminal nerve pass through?

A

Foramen ovale

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

Which skull foramen does the middle meningeal artery pass through?

A

Foramen spinosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What passes through the foramen spinosum?

A

Middle meningeal artery

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

What passes through the jugular foramen?

A

Glossopharyngeal, vagus and spinal accessory nerves

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

What passes through the foramen magnum?

A

Medulla oblongata, vertebral arteries, spinal accessory nerve,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What Sx will a lesion of the olfactory nerve cause?

A

Ipsilateral anosmia

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

Which hemiretina decussates?

A

Nasal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which hemiretina remains ipsilateral?

A

Temporal

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

A lesion of the right optic nerve will cause what problem with the pupillary light reflex?

A

Bilateral loss of reflex to light shined in ipsilateral eye. No change to reflex when light shined in contralateral eye.

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

A lesion of the right occulomotor nerve will cause what problem with the pupillary light reflex?

A

Loss of pupillary reflex of ipsilateral eye to light shined in either eye

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

Name 5 signs of a lesion to the occulomotor nerve?

A

Ipsilateral ptosis, lateral strabismus, dilated pupil (mydriasis), fixed pupil (loss of papillary reflex), diplopiadouble vision

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

Define mydriasis

A

Dilated pupil

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

How do we say ‘dilated pupil’?

A

Mydriasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Define miosis

A

Constricted pupil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

How do we say ‘constricted pupil’?

A

Miosis

26
Q

Which muscles does the occulomotor nerve supply?

A

Superior, inferior and medial rectus, inferior oblique and superior levator palpebrae

27
Q

Which nuclei are associated with the occulomotor nerve?

A

Occulomotor nuc and Edinger-Westphall nuc.

28
Q

At what level of the brainstem is the trochlear nucleus?

A

Inferior colliculus

29
Q

Which muscle does the trochlear nerve supply?

A

Superior oblique

30
Q

What movement of the eye does the trochlear nerve cause?

A

Depression of the eye when adducted

31
Q

What type of strabismus will a lesion of the trochelar nerve cause?

A

Supero-medial

32
Q

How may a person with a trochlear lesion compensate?

A

Tilt head to contralateral shoulder

33
Q

Which nuclei are associated with the trigeminal nerve?

A

Spinal trigeminal nucleus. Chief/principal sensory nucleus. Mesencephalic motor nucleus. Trigeminal motor nucleus.

34
Q

What symptoms will a lesion of the trigeminal nerve cause?

A

Loss of touch, pain and temperature from face. Pain or parasthesia from ipsilateral face. Loss of blink reflex. Flaccid paralysis of muscles of mastication.

35
Q

Which regions does the principal sensory nucleus receive input from?

A

DCFNOS

Dura, cornea, face, nasal cavity, oral cavity, scalp

36
Q

What type of deficit will a lesion of the abducens cause?

A

Medial strabismus

37
Q

What Sx will a lesion of the facial nerve cause?

A

Facial paralysis. Loss of blink reflex. Loss of taste. Dry mouth. Loss of lacrimation. Noises sound louder on ipsilateral side.

38
Q

What is the course of the facial nerve through the skull?

A

Exits through internal acoustic meatus and leaves through stylomastoid foramen

39
Q

Which nuclei are associated with the facial nerve?

A

Solitary nucleus. Spinal trigeminal nucleus. Facial motor nucleus.

40
Q

What part of the body does the facial nerve convey pressure, pain and temperature?

A

Ipsilateral external ear

41
Q

Which nuclei are associated with the glossopharyngeal nerve?

A

Nucleus ambiguus. Solitary nucleus. Spinal trigeminal nucleus.

42
Q

What Sx would be caused by a lesion of the glossopharyngeal nerve?

A

Loss of gag reflex. Loss of taste from posterior 1/3 of tongue. Uvula deviates to contralesional side. Dysphagia

43
Q

What nuclei are associated with the vagus nerve?

A

Nucleus ambiguus. Solitary nucleus. Spinal trigeminal nucleus. Dorsal motor nucleus of vagus.

44
Q

Which nuclei are associated with the spinal accessory nerve?

A

Spinal accessory nucleus

45
Q

Which muscles are innervated by the spinal accessory nerve?

A

Sternomastoid and trapezius

46
Q

What is a Sx of hypoglossal nerve palsy?

A

When deviated, tongue deviates to ipsilesional side. Ipsilesional wasting/atrophy.

47
Q

Which nerves are associated with the nucleus ambiguus?

A

9 and 10

48
Q

Which nerves are associated with the solitary nucleus?

A

7, 9 and 10

49
Q

Which nerves are associated with the spinal trigeminal nucleus?

A

5, 7, 9 and 10

50
Q

A lesion of facial corticobulbar fibres will cause what kind of facial weakness?

A

Lower face only (ie forehead spared)

51
Q

A lesion of the facial nucleus or nerve will cause what kind of facial weakness?

A

Upper and lower face (ie forehead affected)

52
Q

Facial weakness of the entire face implies what level of lesion?

A

Facial nucleus or nerve

53
Q

Facial weakness of the lower face with sparing of the forehead implies what level of lesion?

A

Cortical or corticobulbar

54
Q

What are the 5 layers of the scalp?

A

SCALP

Skin. Connective tissue. Aponeurosis. Loose connective tissue. Periosteum.

55
Q

What are the 2 layers of dura mater?

A

The endosteum of the skull vault and the true meningeal layer of dura

56
Q

What is the middle layer of the skull called?

A

Diploe

57
Q

What are the 3 layers of the skull?

A

Internal plate, diploe, external plate

58
Q

Which 4 bones form the pterion?

A

Frontal, parietal, greater wing of sphenoid, squamous temporal bone

59
Q

What is the line of demarcation between the two parts of the frontal bone?

A

Supraorbital margin

60
Q

What is the name of the dural reflection that covers sella turcica?

A

Diaphragma sella

61
Q

How many mls of CSF are there in the brain?

A

150ml

62
Q

How is cerebral perfusion pressure calculated?

A

MAP - ICP

Nick's neuro (23 decks)

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