Exam 2 stuff

Question 1

What muscles depress the larynx

Answer 1

Omohyoid
Sternohyoid
Sternothyroid

Question 2

What muscles elevate the larynx

Answer 2

stylohyoid
digastrics
mylohyoid
geniohyoid

Question 3

What do the intrinsic and extrinsic laryngeal muscles do

Answer 3

Extrinsic - move complex

intrinsic - change the vocal folds

Question 4

What innervates the styopharyngeous muscle and what is its pathway

Answer 4

over superior constrictor
behind middle constrictor
CN Xl

Question 5

What is the pharynx

Answer 5

nasal cavity to esophagus

• oropharynx
• Nasopharynx
• laryngopharynx - continuous with esophagus

Question 6

What nerve innervates the intrinsic laryngeal muscles

Answer 6

CNX - recurrent laryngeal

except cricothyroid - superior laryngeal

Question 7

What are the levels of the constrictor muiscles

Answer 7

superior - oral cavity
Middle - hyoid
inferior - thyroid cartilage

Question 8

What nerve gives sensation to the larynx

Answer 8

Internal laryngeal of CN X

Question 9

what is the pathway of the vagus nerve in the larynx

Answer 9

Superior laryngeal
 - Internal - sensory 
 - External - cricothyroid
Recurrent laryngeal
 - intrinsic muscles

Question 10

What is the level of the isthmus

Answer 10

2nd to 3rd tracheal cartilage

Question 11

What is the function of the deep neck flexors

Answer 11

Control intervertebral joint motion and control cervical lordosis
Proprioception
Support region

Question 12

What test measures the performance of the deep neck flexors

Answer 12

Cranio-cervico flexion test test

Question 13

What is the map for general sensation of the face

Answer 13

V1 - forehead to bridge of nose
V2 - temples to side of nose to upper lip, to upper teeth and palate
V3 - over ear to jaw
Anterior rami - posterior ear 
posterior rami back of scalp to occiput

Question 14

What are the greater, lesser and third occipital nerve roots

Answer 14

Greater - C2
Lesser - C2, C3
Third - C3

Question 15

What 4 muscles does V3 innervate

Answer 15

Lateral and medial pterygoid
Temporalis
Masseter

Question 16

What is the function of the corrugator

Answer 16

brow up and lateral

Question 17

What is the function of the nasalis

Answer 17

dilate nostrils

Question 18

When does the intraarticular disk of the TMJ move

Answer 18

opening of the mouth, foreword

Question 19

What produces TMJ elevation

Answer 19

temporalis, masseter, medial ptereoid

Question 20

What produces TMJ depression

Answer 20

gravity, lateral pteroid, supra and infra hyoid muscles

Question 21

What produces TMJ protrusion

Answer 21

lateral pterygoid, medial and masseter assist

Question 22

What produces TMJ retrusion

Answer 22

temporalis, anteriro digastric

Question 23

What produces TMJ lateral movements

Answer 23

ipsilateral temporalis and digastric

contralateral pterygoid and masseter

Question 24

The anterior and posterior branches of trigeminal do what

Answer 24

Anterior - motor

Posterior - sensory

Question 25

What nerves give sensation to the palet

Answer 25

Anterior palette - naso palatine
posterior palette - greater palatine
soft palate - lesser palatine

Question 26

What is the sensory distribution for the tongue

Answer 26

anterior 2/3 - lingual of V for sensation, chorda tympani for taste
Posterior 1/3 - glossopharyngeal

Question 27

What innervates all intrinsic muscles of the tongue

Answer 27

hypoglossal

except palatoglossal which is CN X

Question 28

What is the function of the SCM

Answer 28

ipsilateral tilt

contralateral rotation