pharynx/larynx

Question 1

Answer 1

Question 2

constrictor muscles of the pharynx

Answer 2

superior pharyngeal constrictor
middle pharyngeal constrictor
inferior pharyngeal constrictor

Question 3

superior pharyngeal constrictor muscle attachments

Answer 3

Anterior Attachments
* Pterygomandibular Raphe (with Buccinator muscle)
* Pterygoid Hamulus of the Medial Pterygoid Plate
* Side/base of tongue and posterior mandible behind mylohyoid line

Posterior Attachments
* Pharyngeal Raphe
* Pharyngeal Tubercle on skull

Question 4

middle pharyngeal constrictor muscle attachments

Answer 4

Anterior Attachments
* Greater horn of the Hyoid bone

Posterior Attachments
* Pharyngeal Raphae

Question 5

inferior pharyngeal constrictor muscle attachments

Answer 5

Anterior Attachments
* Cricothyroid and Thyroid Cartilage

Posterior Attachments
* Pharyngeal Raphe

Question 6

elavator muscles of the pharynx (5)

Answer 6

Palatopharyngeus muscle

Levator Veli Palatini muscle

Salpingophayngeus muscle

Stylopharyngeus muscle

Muscularis uvulae muscle

Question 7

where do the elevator muscles of the pharynx (5) insert?

Answer 7

pharyngeal constrictor muscles and posterolateral border of thyroid cartilage

Question 8

Palatopharyngeus muscle origin

Answer 8

soft palate

Question 9

Levator Veli Palatini muscle origin

Answer 9

base of skull and travels under medial pterygoid plates bilaterally

Question 10

Salpingophayngeus muscle origin

Answer 10

cartilaginous part of pharyngotympanic tub

Question 11

Stylopharyngeus muscle origin

Answer 11

Styloid Process

Question 12

muscularis uvulae muscle origin

Answer 12

posterior nasal spine

Question 13

Functions:
Palatopharyngeus muscle
Levator Veli Palatini muscle
Salpingophayngeus muscle
Stylopharyngeus muscle
Muscularis uvulae muscle

Answer 13

Palatopharyngeus muscle: elevates pharynx, closes larynx when swallowing

Levator Veli Palatini muscle: elevates soft palate during swallowing

Salpingophayngeus muscle: elevates pharynx, equalize pressure in middle ear

Stylopharyngeus muscle: swallowing

Muscularis uvulae muscle: elevate uvula

Question 14

Palatopharyngeus muscle function

Answer 14

Elevates pharynx
Closes larynx when swallowing

Question 15

Levator Veli Palatini muscle function

Answer 15

Elevates soft palate during swallowing

Question 16

Salpingopharyngeus muscle function

Answer 16

Elevates pharynx
Equalize pressure in middle ear

Question 17

Stylopharyngeus muscle function

Answer 17

helps with swallowing

Question 18

Muscularis Uvulae muscle function

Answer 18

elevate uvula

Question 19

nasopharynx sensory innervation

Answer 19

CN V-2

Question 20

oropharynx sensory innervation

Answer 20

CN IX

Question 21

laryngopharynx sensory innervation

Answer 21

CN X

Question 22

motor innervation of stylopharyngeus

Answer 22

CN IX

Question 23

motor innervation of pharyngeal muscles (except stylopharyngeus)

Answer 23

CN X

Question 24

pharynx vascularization

Answer 24

ascending palatine a. (branch from EXA)
tonsillar a. (facial artery)

Question 25

larynx prevents material from entering the

Answer 25

airway (epiglottis lays over the vocal folds)

Question 26

main functions of the larynx (4)

Answer 26

prevent material from entering airway phonation breathing couch reflex

Question 27

phonation of larynx

Answer 27

Tensing, abducting, adducting vocal folds causes air to vibrate during exhalation

Question 28

actions during breathing (larynx)

Answer 28

Abduction of vocal cords glottis open airway open

Question 29

cough reflex

Answer 29

Temporary closure of vocal folds to build up air pressure

Question 30

larynx cartilage (4)

Answer 30

thyroid cricoid epiglottis arytenoid

Question 31

larynx ligaments (3)

Answer 31

thyrohyoid cricothyroid vocal

Question 32

joints of larynx (2)

Answer 32

cricoarytenoid cricithyroid

Question 33

cricoarytenoid joint is a ____ joint

Answer 33

synovial

Question 34

what ligaments are in the cricoarytenoid joint?

Answer 34

abduct vocal ligaments adduct vocal ligaments

Question 35

Cricothyroideus muscle function

Answer 35

Pulls thyroid cartilage anteriorly increasing tension in vocal ligament

Question 36

cricothyroideus muscle motor innervation

Answer 36

superior laryngeal n. (CN X) *external laryngeal n.

Question 37

motor innervation of the vocal folds in the larynx

Answer 37

recurrent laryngeal n. (CN X)

Question 38

rima glottis

Answer 38

space between the 2 vocal cords opens during breathing/closes during speech - vibrate

Question 39

glottis

Answer 39

vocal cords + rima glottis

Question 40

vocal folds (true) origin and insertion

Answer 40

arytenoid to thyroid cartilage (ligament)

Question 41

vagus nerve branch innervation of larynx (2)

Answer 41

superior laryngeal n. recurrent laryngeal n.

Question 42

branches of the superior laryngeal n. to the larynx

Answer 42

external laryngeal n. internal laryngeal n.

Question 43

external laryngeal n. motor/sensory internal laryngeal n. motor sensory

Answer 43

external laryngeal n.: motor (cricothyroideus) internal laryngeal n.: sensory (above vocal cords)

Question 44

recurrent laryngeal n. motor and sensory

Answer 44

motor: laryngeal m. visceral sensory: below vocal cords

Question 45

larynx vascularization

Answer 45

external carotid artery --> superior thyroid artery thyrocervical trunk --> inferior thyroid artery