Neck Flashcards

1
Q

Borders of pharynx

A

base of skull to upper esophageal sphincter

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2
Q

attachent point of pharynx muscles

A

midline raphe

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3
Q

innervation of pharynx

A

CN10 - vagus

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4
Q

attachment of inf pharyx constrictor

A

thyroid and cricoid to raphe

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5
Q

attachment of mid pharyx constrictor

A

hyoid to raphe

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6
Q

innervation of stylopharyngeous

A

CN9- glossopharyngeal

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7
Q

3 regions of pharynx and sensory innervations

A
  1. Oro - V2
  2. Naso - CN9
  3. Laryngeo - CN10
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8
Q

5 features of oropharynx

A
  1. pharyngeal tonsil (adenoid)
  2. Torus
  3. Opening of eustacian tube
  4. Salpingopharyngeal fold
  5. Tubal tonsil
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9
Q

5 features of oropharynx

A
  1. glossoepiglottic folds
  2. valleculae
  3. lingual tonsil
  4. palatine tonsil
  5. tonsilar ring of waldeyer
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10
Q

2 features of laryngeopharynx

A
  1. piriform fossa

2. aryepiglottic folds

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11
Q

Point where food gets stuck in pharynx

A

vallecula

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12
Q

2 folds in larynx

A
  1. vestibular - false

2. vocal - true

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13
Q

Area between folds

A

ventricle

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14
Q

membrane making up false fold

A

quadrangular

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15
Q

Main muscles of larynx and their function

A
  1. post. cricoarytenoid - only abductor

2. cricothyroid - tilts cartelage forward

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16
Q

Suprahyoid muscles and their innervation (3)

A
  1. mylohyoid - V3
  2. stylohyoid - CN7
  3. digastric - Cn 7 and V3
17
Q

Infrahyoid muscles and their innervation (4)

A
  1. sternohyoid
  2. omohyoid
  3. sternothyroid
  4. thyrohyoid
    All cervical spinal nerves
18
Q

Innervation of intrinsic larynx muslces (motor and sensory)

A
  1. Motor - reccurent laryngeal except cricothyroid (external laryngeal)
  2. Sense - Above folds - internal laryngeal
    below folds - reccurent laryngeal
19
Q

Blood supply to larynx

A

common carotid> inf and sup thyroid As

20
Q

venous drainage of larynx (2)

A
  1. sup and mid thyroid veins>internal jugular

2. inf thyroid veins>R brachiocephalic

21
Q

fascia encircling neck

A

investing fascia

22
Q

muscle superficial to investing layer

23
Q

3 compartments of neck and covering

A
  1. Neurvascular - carotid sheath
  2. visceral - pretracheal fascia
  3. vertebral - prevertebral fascia
24
Q

Contents of vertebral comp (4)

A
  1. cervical vert and muscles
  2. vert arteries
  3. phrenic nerve
  4. cervical chain and ganglia
25
location of phrenic nerve
on ant. scalene
26
attachements of scalene muscles
cervical transverse processes to ribs
27
contents of carotid comp. (4)
1. common and int. carotid (not ext) 2. int jugular 3. deep cervical nodes (on jugular) 4. vagus
28
Level of carotid bifurcation
thyroid cartelegde
29
innervation of carotid body and sinus
CN 9 and 10
30
2 types of sense in carotid sinus
1. bromoreceptor - pressure | 2. chemoreceptor - oxygen
31
Branches of vagus and destination (3)
1. pharyngeal - motor to pharynx 2. superior laryngeal - int and ext. 3. cardiac - para to heart
32
contents of visceral compartement (6)
1. larynx 2. Thyroid 3. parathyroid 4. trach. 5. esophag 6. recurrent laryngeal
33
Parts of thyroid (3)
1. ithsmus 2. lobes 3. pyramidal lobe (sometimes)
34
blood supply to thyroid
1. sup thyroid - ext carotid 2. inf. thyroid - subclavian 3. Ima (sometimes) - arch
35
Muscles in investing layer (2)
1. trapezius | 2. sternocleidomastoid
36
Innervation of muscles of investing layer
CN 11 - but technically cervical through the route