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Head & Neck gross > Exam 02 - questions from lecture > Flashcards

Exam 02 - questions from lecture Flashcards

(88 cards)

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1
Q

Where do the spinal meninges stop in the vertebral canal?

A

S2 / 2nd sacral vertebral level

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2
Q

Where does the CSF end?

A

in the dural venous sinuses

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3
Q

Where are the dural venous sinuses located?

A

between the endosteal & meningeal layers of the dura mater

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4
Q

The Pia mater layer is also known as the what?

A

vascular membrane of the brain

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5
Q

Which layer forms the infolding or reflections for the compartments of the brain?

A

Falx cerebri -separates cerebrum into R & L hemispheres

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6
Q

Which veins are running in the venous sinuses?

A

Superior sagittal sinus, inferior sagittal sinus, straight sinus

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7
Q

What are the 3 sinuses located in falx cerebri?

A

Superior sagittal sinus, inferior sagittal sinus, straight sinus

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8
Q

What are the attachments of the Falx Cerebelli

A

free margin - attaches to clinoid process
attached margin - attached to posterior clinoid process of sphenoid bone, petrous part of temporal bone, internal surface of occipital bone & part of parietal bone

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9
Q

What are the 3 parts forming the brainstem?

A

Midbrain, pons, and medulla

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10
Q

Where is the free margin attached?

A

the cliniod process

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11
Q

What is the tentorium notch?

A

gap b/w free & attached margins, related to brain stem

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12
Q

Which venous sinus runs in the falx cerebelli?

A

occipital sinus

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13
Q

which fold of dura mater is pierced by the stalk of the pituitary, infundubullum?

A

diaphragm sella or sellar diaphragm

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14
Q

What is the termination of the internal jugular vein?

A

IJV (Internal Jugular vein) meets subclavian vein (from upper extremity) and forms Brachiocephalic vein

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15
Q

What are the venous sinuses inside the cranial cavity?

A
  • Sphenoid parietal sinus
  • Cavernous sinuess R & L
  • Anterior & Posterior intercavernous sinuses
  • Superior & Inferior Petrosal sinus
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16
Q

Which venous sinus forms internal jugular vein?

A

Sigmoid sinus

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17
Q

What are the veins connected to confluence of sinuses?

A
  • Superior & Inferior sagittal sinus
  • straight sinus
  • L & R Transverse Sinuses
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18
Q

What is the termination of sigmoid sinus?

A

internal jugular vein

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19
Q

what is formation of sigmoid sinus?

A

transverse sinus

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20
Q

superior sagittal sinus

A

begins in crista galli

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21
Q

What is the function of anterior inter cavernous & posterior inter cavernous sinuses?

A

connects the cavernous sinuses

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22
Q

Which foramina does Frontal emissary vein run?

A

Foramen cecum

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23
Q

The occipital sinus communicates with what?

A

vertebral venous plexus

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24
Q

What sinus makes the R transverse sinus?

A

Superior sagittal sinus

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25
Which sinus makes the L transverse sinus?
Straight sinus
26
Where is the Parietal emissary vein located?
near the Sagittal suture
27
Where is the mastoid emissary vein located?
connects sigmoid sinus with occipital or posterior auricular vein
28
What is the location of sub occipital venus plexus?
suboccipital triangle
29
What is the only venous sinus which exits from the cranium through the jugular foramen?
Inferior petrosal sinus
30
Which cranial nerve exits from the dorsal aspect of the brain?
the trochlear nerve - CN IV
31
Which cranial nerves are sensory & functioning for special senses?
CN I & CN II
32
Which are the motor nerves of the eye, control eye muscles?
CN III, IV, VI (3, 4, & 6)
33
What is the termination of the olfactory nerve?
lateral: piriform cortex of medial lobe medial: anterior commissure
34
Where does the optic nerve begin?
from the ganglion cells
35
What cranial nerves originate ONLY in the midbrain?
CN III & CN IV
36
Where do the nuclei originate for Trigeminal nerve - CN V?
midbrain, pons, medulla, & spinal cord
37
Where does the optic nerve exit?
foramina in cribiform plate of ethmoid bone
38
What is the destination of the optic nerve fibers?
- lateral genicular nucleus | - optic radiation - final destination: visual cortex of occipital lobe (in back)
39
What are the 2 intrinsic muscles that control the eye?
(size pupil)- constrictor pupillae | dilator pupillae
40
Where is the Spinal Accessory nerve's nucleus?
CN XI - Edinger Westphal nucleus (medulla)
41
Which cranial nerves originate ONLY in the pons?
CN VI, VII
42
Which cranial nerves originate ONLY in the medulla?
CN IX, CN X, CN XI, CN XII
43
Where does CN VIII nucleus originate?
pons, medulla
44
Where does cranial nerve V originate?
midbrain, pons, medulla, spinal cord
45
Which cranial nerves originate in the midbrain?
CN III, CN IV
46
Which of the cranial nerves runs through the orbital fissure?
Trochlear nerve CNIV
47
Which muscles does the superior branch of Trochlear nerve innervate?
* Levator palpebrae superioris * superior & medial rectus * ciliary ganglion
48
Which muscles does inferior branch of the Trochlear nerve innervate?
* inferior rectus | * inferior oblique
49
Which nerve carries parasympathetic root for ciliary ganglion...fibers?
nerve to inferior oblique muscle forms the motor or parasympathetic root from ciliary ganglion - which is a branch from oculomotor nerve
50
Which branch carries parasympathetic fibers?
nerve to inferior oblique
51
Which is the smallest cranial nerve?
Trochlear nerve (IV)
52
Which cranial root has 4 root origins?
Trigeminal nerve (V)
53
Location of Trochlear nucleus?
level of inferior colliculus in the midbrain
54
What is the largest cranial nerve?
Trigeminal nerve (V)
55
What is the location of the Oculomotor nerve?
level of superior colliculus in the midbrain
56
What is the nerve supply to superior oblique?
CN IV
57
Which cranial nerve has mesencephalic origin?
Trigeminal nerve (V)
58
What nerves enter through superior orbital fissure?
3, 4, 6, and ophthalmic division of (5)Trigeminal
59
What are the 3 main branches of Ophthalmic Branch of Trigeminal nerve?
* frontal nerve * nasociliary nerve * lacrimal nerve
60
Where does the Maxillary nerve exit?
foramen rotunda
61
What nerve contributes to ansa cervicalis?
Hypoglossal nerve
62
What type of neurons are present in Trigeminal ganglion?
psedounipolar neurons
63
What is the only muscles of the tongue NOT supplied by Hypoglossal nerve?
Palatoglossus muscle
64
Which cranial nerves have nucleus ambiguous?
CN IX, X, XI
65
Runs in Jugular formanen?
9, 10, 11
66
What muscles does the spinal accessory nerve innervate?
SCM | Trapezius
67
Nasopalatine nerve is a branch of the following nerve?
maxillary nerve
68
Which cranial nerve is giving motor supply to anterior belly of digastric muscle?
mandibular nerve
69
Where does the mandibular nerve exit the cranium?
foramen ovale
70
Which nerve gives motor nerve supply to anterior belly of digastric?
mandibular nerve
71
General sensation from the tongue is supplied by?
lingual branch of mandibular nerve - anterior 2/3
72
Chorda tempani nerve, branch of facial nerve, carries
taste fibers: to anterior 2/3 of tongue
73
Lingual nerve, branch of mandibular nerve, carries
general sensation to anterior 2/3 of tongue
74
What is the location of the abducens nucleus?
pons
75
What muscle is innervated by abducens nerve?
Lateral rectus muscle
76
What ganglion is paired with facial nerve?
genicular ganglion
77
Where does the facial nerve enter?
internal auditory meatus
78
Where does the facial nerve terminate?
enters parotid gland & forms parotid plexus
79
Which muscle of the neck is innervated by cervical branch of facial nerve?
platysma
80
Chorda tympani nerve
carries taste/special sensations to anterior 2/3 of tongue
81
Spiral ganglion
Trochlear nerve
82
Spiral ganglion of cochlear
internal ear
83
What are the two cranial nerves running through internal auditory meatus?
facial | vestibulocochlear
84
What is the motor nucleus of glossopharyngeal nerve?
nucleus ambiguous
85
Facial nerve
genicular gangion
86
Spinal ganglion
cochlear part of Vestibulocochlear nerve (VIII)
87
Glossopharyngeal
supplies posterior 1/3 of tongue
88
All muscles of pharynx, larynx, palate are supplied by
Vagus nerve (X) - motor supply

Head & Neck gross (5 decks)

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