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ANAT 1030 > Neck #3 > Flashcards

Neck #3 Flashcards

(73 cards)

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1
Q

4 components of the deep cervical fascia

A

Pre-vertebral layer
Carotid Sheath (paired)
Pretracheal layer
Investing Layer

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2
Q

8 bones of the neck

A

mandible
hyoid
thyroid cartilage
cricoid
Trachea
Manubrium
Clavicle
Mastoid process

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3
Q

neck runs from C__ –> C __

A

C1 - C7

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4
Q

What does atlanto-occipital joint do

A

nods head

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5
Q

atlanto axial joint function

A

shakes head

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6
Q

4 parts of prevertebral layer

A

vertebrae and deep neck/ back muscles
Ant: longus colli, longus capitis
Lateral: anterior, middle, and posterior scalene
Post: deep cervical muscle

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7
Q

where do the scalene muscles run

A

transverse processes of cervical vertebrae to 1st and 2nd rib

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8
Q

Innervation of scalene muscle

A

C4-C8

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9
Q

action of scalene muscle (2)

A

flexion of neck
elevates ribs in forced inspiration

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10
Q

what innervates the carotid sheath

A

the carotid sinus nerve - CN IX

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11
Q

what makes up the carotid sheath

A

carotid sinus and carotid body

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12
Q

function of carotid sheath

A

detect BP and O2 levels

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13
Q

What does vagus nerve supply

A

organs in thorax and abdomen

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14
Q

In the neck vagus nerve provide sensory info from

A

pharynx and larynx

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15
Q

What does vagus nerve provide somatic innervation to

A

Pharynx and intrinsic laryngeal muscles

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16
Q

4 components of paratracheal layer of fascia

A

Infrahyoid muscles
Respiratory organs
Alimentary organs
endocrine organs

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17
Q

what are the respiratory organs, and their function

A

larynx and trachea - alow air to pass thru

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18
Q

what are alimentary organs and their functions

A

pharynx and esophagus

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19
Q

what are endocrine organs

A

thyroid and parathyroid glands

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20
Q

what do the larynx do

A

connect the inferior pharynx to the trachea

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21
Q

innervation of larynx

A

C3 - C6

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22
Q

Functions of larynx 4

A

protect airway
phonation (sound)
direct food to esophagus
direct air to trachea

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23
Q

2 types of laryngeal folds

A

vestibular and vocal folds

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24
Q

what is the false vocal cord and its function

A

vestibular fold. protection of vocal fold

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25
true vocal fold
vocal fold
26
what does vesitibular fold NOT do
does NOT. contribute to sound protection
27
which ligament and muscle does vocal fold contain
vocal ligament and vocalis muscle
28
function of intrinsic laryngeal muscle and mechanism
produce sound (phonation) - change position and tension of vocal folds
29
sensory innervation in superior laryngeal nerve
mucosa ABOVE vocal folds
30
sensory innervation in recurrent laryngeal nerve
mucosa BELOW vocal folds
31
where does recurrent laryngeal nerve disappear into
thorax
32
thyroid gland innervation
C5 - T1
33
function of thyroid gland 2
- regulates metabolic rate via thyroid hormones (T3 and T4) - regulate blood calcium via calcitonin
34
largest endocrine gland
thyroid gland
35
parathyroid gland is ___ to thyroid gland
posterior
36
function of parathyroid gland 1
regulate calcium and phosphate - via parathyroid hormone
37
where is the retropharyngeal space located
between prevertebral and pretracheal layer
38
what closes the retropharyngeal space
carotid sheath
39
what is known as danger space
retropharyngeal space
40
why is retropharyngeal space danger space (2)
- infection spread from neck --> thorax - avascular - poor at healing
41
2 hyoid muscles
suprahyoid and infra hyoid
42
function of suprahyoid
elevate hyoid bone - speech and swallowing
43
suprahyoid innervation
V3, VII and C1
44
function of infra hyoid (1)
depress hyoid bone -
45
2 components of infrahyoid and function
thyrohyoid - elevate larynx sternothyroid - depress larynx
46
innervation of infrahyoid
ansa cervicalis - C1 and C3
47
what muscles does the investing later invest in
sternocleidomastoid and tapezius muscle
48
sternocleidomastoid muscle divides neck into
anterior and lateral cervical regions
49
superior attachment of sternocleidomastoid
mastoid process of temporal bone
50
inferior attachment of sternocleidomastoid
sternal head and clavicular head
51
sternal head
manubrium of sternum
52
clavicular head
medial 3rd of clavicle
53
innervation of sternocleidomastoid
Spinal accessory nerve - CN XI
54
3 functions of sternocleidomastoid
- lateral flexion with rotation - extension at atlanto-occipital joint - flexion of cervical vertebrae
55
where does superficial cervical fascia run to
subcutaneous tissue deep to skin
56
what does superficial cervical fascia contain (4)
fat superficial veins cutaneous nerves platysma muscle
57
what is the platysma muscle
facial expression muscle
58
platysma muslce inervation
CN7
59
platysma muscle action 2
tense skin on neck depress skin on chin
60
what does suprahyoid muscle cover in anterior cervical 2
floor of mouth, base of tongue
61
anterior cervical - suprahyoid action
elevated hyoid and larynx
62
anterior cervical - INFRAHYOID action 2
- anchor hyoid to sternum and clavicle - depress hyoid and larynx
63
anterior cervical nerves 2
vagus nerve (CN X) hypoglossal nerve (CN XII)
64
anterior cervical vein
internal jagular
65
anterior cervical artery
common carotid
66
2 parts of common carotid artery
internal and external carotid
67
2 parts of external carotid. a
superior thyroid and facial a
68
posterior cervical muscles 3
Ant, middle and Post. scalene
69
posterior cervical nerves 3
CN XI (spinal acessory) phrenic nerve (C3-5) - diaphragm brachial plexus root -C5-8, T1
70
posterior cervical vein
ext jagular
71
posterior cervical arteries (4)
subclavian A, veteberal A, Thyrocervical Trunk (Inferior thyroid)
72
where are superior cervical lymph nodes present
ext jag
73
where are deep cervical lymph nodes present
internal jag

ANAT 1030 (2 decks)

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