Neck

Question 1

Borders of pharynx

Answer 1

base of skull to upper esophageal sphincter

Question 2

attachent point of pharynx muscles

Answer 2

midline raphe

Question 3

innervation of pharynx

Answer 3

CN10 - vagus

Question 4

attachment of inf pharyx constrictor

Answer 4

thyroid and cricoid to raphe

Question 5

attachment of mid pharyx constrictor

Answer 5

hyoid to raphe

Question 6

innervation of stylopharyngeous

Answer 6

CN9- glossopharyngeal

Question 7

3 regions of pharynx and sensory innervations

Answer 7

1. Oro - V2
2. Naso - CN9
3. Laryngeo - CN10

Question 8

5 features of oropharynx

Answer 8

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

Question 9

5 features of oropharynx

Answer 9

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

Question 10

2 features of laryngeopharynx

Answer 10

1. piriform fossa

2. aryepiglottic folds

Question 11

Point where food gets stuck in pharynx

Answer 11

vallecula

Question 12

2 folds in larynx

Answer 12

1. vestibular - false

2. vocal - true

Question 13

Area between folds

Answer 13

ventricle

Question 14

membrane making up false fold

Answer 14

quadrangular

Question 15

Main muscles of larynx and their function

Answer 15

1. post. cricoarytenoid - only abductor

2. cricothyroid - tilts cartelage forward

Question 16

Suprahyoid muscles and their innervation (3)

Answer 16

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

Question 17

Infrahyoid muscles and their innervation (4)

Answer 17

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

Question 18

Innervation of intrinsic larynx muslces (motor and sensory)

Answer 18

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

Question 19

Blood supply to larynx

Answer 19

common carotid> inf and sup thyroid As

Question 20

venous drainage of larynx (2)

Answer 20

1. sup and mid thyroid veins>internal jugular

2. inf thyroid veins>R brachiocephalic

Question 21

fascia encircling neck

Answer 21

investing fascia

Question 22

muscle superficial to investing layer

Answer 22

platysma

Question 23

3 compartments of neck and covering

Answer 23

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

Question 24

Contents of vertebral comp (4)

Answer 24

1. cervical vert and muscles
2. vert arteries
3. phrenic nerve
4. cervical chain and ganglia

Question 25

location of phrenic nerve

Answer 25

on ant. scalene

Question 26

attachements of scalene muscles

Answer 26

cervical transverse processes to ribs

Question 27

contents of carotid comp. (4)

Answer 27

1. common and int. carotid (not ext)
2. int jugular
3. deep cervical nodes (on jugular)
4. vagus

Question 28

Level of carotid bifurcation

Answer 28

thyroid cartelegde

Question 29

innervation of carotid body and sinus

Answer 29

CN 9 and 10

Question 30

2 types of sense in carotid sinus

Answer 30

1. bromoreceptor - pressure

2. chemoreceptor - oxygen

Question 31

Branches of vagus and destination (3)

Answer 31

1. pharyngeal - motor to pharynx
2. superior laryngeal - int and ext.
3. cardiac - para to heart

Question 32

contents of visceral compartement (6)

Answer 32

1. larynx
2. Thyroid
3. parathyroid
4. trach.
5. esophag
6. recurrent laryngeal

Question 33

Parts of thyroid (3)

Answer 33

1. ithsmus
2. lobes
3. pyramidal lobe (sometimes)

Question 34

blood supply to thyroid

Answer 34

1. sup thyroid - ext carotid
2. inf. thyroid - subclavian
3. Ima (sometimes) - arch

Question 35

Muscles in investing layer (2)

Answer 35

1. trapezius

2. sternocleidomastoid

Question 36

Innervation of muscles of investing layer

Answer 36

CN 11 - but technically cervical through the route