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Neuro of Spine > Exam One Lecture > Flashcards

Exam One Lecture Flashcards

1
Q

Cranial Nerve 1

A

Olfactory, Nose, has only afferent nerves

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2
Q

Cranial Nerve 2

A

Optic, has only afferent sensory nerves

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3
Q

Cranial Nerve 3

A

Oculomotor
Only has efferent sensory nerves
Ciliary muscle, sphincter of pupil and all external eye muscles except CN 4 and 6.

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4
Q

Cranial Nerve 4

A

Trochlear
efferent sensory nerves
controls superior oblique muscles

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5
Q

Cranial Nerve 5

A

Trigeminal
Has both afferent and efferent sensory
the afferent sensory is face sinuses and teeth

The efferent motor is muscles of eating

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6
Q

Cranial Nerve 6

A

Abducens
Only has efferent motor nerves

controls the lateral rectus muscle

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7
Q

Cranial nerve 7

A

This is the Facial
Has both Efferent motor and Afferent sensory

Efferent is muscles of the face and submandibular
Afferent is anterior 2/3 of the toungue

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8
Q

Cranial Nerve 8

A

Vestibulocochlear
Has only Afferent sensory nerves
For hearing

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9
Q

Cranial nerve 9

A

Glossopharyngeal
Has both efferent motor and afferent sensory nerves

the efferent motor is stylopharyngeous and parotid gland
the afferent sensory is the posterior 1/3 of the tounge

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10
Q

Cranial Nerve 10

A

Vagus
has both efferent motor and afferent sensory nerves

efferent motor controls the heart lungs pharynx larynx trachea
afferent sensory controls same thing

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11
Q

Cranial Nerve 11

A

Access

only has efferent motor
controls the sternocleidomastoid and trapezius muscles

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12
Q

Cranial Nerve 12

A

Hypoglossal
Has only efferent motor

Controls the tongue muscles

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13
Q

Platysma

A

The origin: fascia of pectoralis major and deltoid
insertion is mandible
action is it depresses the mandible and angle of the mouth
uses cranial nerve 7 Facial

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14
Q

Trapezius

A

Origin is EOP, ligamentum nuchae, and spinous process of c7 through T12
insertion is lateral 1/3 of clavicle, spine of the scapula, and acromion process
action is to elevate, retract, and depress the scapula
innervation is cranial nerve 11

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15
Q

Sternociedomastoid

A

origin is the manubrium and clavicle
insertion is the mastoid process
action is to flex the head
innervated by cranial nerve 11

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16
Q

What is the infrahyoid muscle group:

A

Sternohyoid
sternothyroid
omohyoid
thyrohyoid

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17
Q

What does the infrahyoid muscle group do:

A

They depress the hyoid bone and larynx

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18
Q

Sternohyoid:

A

Origin: manubrium and medial clavicle
Insertion is to the hyoid bone
Action is to depress the hyoid bone
innervated by c1 to c3 nerves

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19
Q

Sternothyroid:

A

Origin is also the manubrium
Insertion is to the thyroid cartilage
Action is to depress the larynx
Innervated by c2 to c3 nerves

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20
Q

Omohyoid

A

Origin: inferior belly is at the scapula, superior belly is the intermediate ligament
Insertion: inferior bell is the intermediate ligament, superior belly is to the hyoid bone
Action is to depress the hyoid bone and larynx
Innervated by C1 to C3 nerves

21
Q

Thyrohyoid

A

Origin is thyroid cartilage
Insertion is the hyoid bone
Action is to depress the hyoid bone
Innervated by same nerves

Begines where the sternothyroid ends

22
Q

What muscles depress the hyoid bone?

A

Sternohyoid
Thyrohyoid
Omohyoid

23
Q

What muscles are in the Suprahyoid bone:

A

Digastric
Stylohyoid
Mylohyoid
Geniohyoid

24
Q

Digastric Muscle

A

Origin: the posterior belly is the mastoid process and the anterior belly is the digastric fossa of the mandible
Insertion: both go to the intermediate tendon of the digastric
Action: elevate the hyoid bone
Innervated: posterior belly is CN 7 while anterior is CN 5

25
Q

Stylohyoid

A

Origin is the styloid process
Insertion is the body of the hyoid bone
Action is to elevate the hyoid bone
Innervated by CN 7

26
Q

Mylohyoid

A

Origin is the mylohyoid line of the mandible
Insertion is the body of the hyoid bone
Action is to elevate the mandible
Innervated by C1 hypoglossal

27
Q

Cricothyroid

A

Origin is the anteriolateral circoid cartilage
Insertion is the inferior thyroid cartilage
Action is to tenses and elongate the vocal cords

28
Q

Internal carotid artery runs through what?

A

Stylohyoid, Digastric, and the mandible

29
Q

Branches of Carotid Artery

A

Superior Thyroid Artery
Ascending Pharyngeal artery
Lingual Artery
Facial Artery
Occipital Artery
Posterior Auricular Artery
Maxillary Artery

30
Q

How does the superior thyroid artery move?

A

descends anteriorly to supply the upper thyroid gland.

31
Q

How does the ascending pharyngeal artery move?

A

ascends posteriorly to supply pharynx

32
Q

How does lingual artery move?

A

It is at the level of hyoid bone, and runs behind suprahyoid to supply tongue

33
Q

Where and how does the occipital artery move?

A

It is at the hyoid bone, and runs superior and posterior. Found deep to posterior belly of digastric

34
Q

Where does the posterior Auricular Artery?

A

It ascends posteriorly between external acoustic meatus and mastoid process.

35
Q

How does the maxillary artery move?

A

It moves deep to the mandible and supplies deep structures of the face

36
Q

How does the superficial temporal artery move?

A

It moves superiorly and over zygomatic arch

37
Q

Where does the subclavian artery arise from?

A

Brachiocephalic trunk on right and aortic arch on left

38
Q

What is the danger space?

A

The posterior retropharyngeal space

39
Q

Anterior Retropharyngeal space

A

It is between the buccopharyngeal and alar fascia, helps spread infection

40
Q

The Retropharyngeal space

A

largest of the cervical spaces, it allows free movement while swallowing.

41
Q

Posterior Retropharyngeal space

A

it is between alar and posterior prevertberal fascia

42
Q

The posterior prevertebral fascia

A

It is the larger of the two prevertebral fascia planes

43
Q

Anterior (alar) Prevertebral fascia

A

smaller of the two fascial planes

44
Q

Prevertebral Fascia is what?

A

Three parts, anterior posterior and axillary sheath.

Invests vertebral column and muscles

45
Q

Carotid Sheath is

A

Contains the internal and common carotid arteries, internal jugular veins, vagus nerves.

Formed from three facial layers
investing
pretracheal
prevertebral

46
Q

Buccopharyngeal fascia

A

It invests the buccinator and dorsal esophagus

47
Q

Subclavian artery branches?

A

Vertebral Artery
internal thoracic artery
thyrocervical trunk
costocervical trunk

48
Q

What are the three parts of the Thyrocervical trunk?

A

Inferior thyroid artery
suprascapular artery
transverse cervical artery

49
Q

What is the cervical plexus formed by?

A

The ventral ramis of c1 to c4

Neuro of Spine (12 decks)

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