Pharynx

Question 0

What are the three parts of the pharynx

Answer 0

Nasopharynx
Oropharynx
Laryngopharynx

Question 1

Where does the pharynx extend from and to?

Answer 1

From the base of the skull to the inferior border of the cricoid cartilage

Question 2

What type of function does the Nasopharynx have?

Answer 2

Entirely respiratory

Question 3

Where does the Nasopharynx extend

Answer 3

Base of skull to the soft palate

Question 4

Where is your torus levatorius ?

Answer 4

Below the pharyngeal opening of the auditory tube caused by levator velli palatini

Question 5

Where is the tubal tonsil?

Answer 5

Lymphoid tissue around the pharyngeal opening of the auditory tube

Question 6

Where does the oropharynx extend from

Answer 6

Soft palate to the superior border of the epiglottis

Question 7

What are the epiglottic valleculae?

Answer 7

Two depressions between the epiglottis and the root of the tongue

Question 8

What is the pharyngeal lymphoid ring (waldeyer’s ring)

Answer 8

Accumulations of lymphoid tissue

Pharyngeal, tubal, lingual, and palantine tonsils

Question 9

Where does the laryngopharynx extend from?

Answer 9

Superior border of epiglottis to inferior border of cricoid cartilage

Question 10

What is under the mucosa of the piriform recess?

Answer 10

Internal branch of superior laryngeal nerve

Question 11

What are the layers of the mucosa from internal to external?

Answer 11

Mucosa
Submucosa
Muscular coat
Buccopharyngeal fascia

Question 12

What separates the pharynx from the vertebral column and muscles

Answer 12

Retropharyngeal space

Question 13

What are the three longitudinal muscles of the pharynx?

Answer 13

Stylopharyngeal
Palatopharyngeus
Salpingopharyngeus

Question 14

What is unique about the superior border of the superior constrictor muscle?

Answer 14

There is a non-muscular area composed mainly of pharyngobasilar fascia

Question 15

What is special about the cricopharyngeus muscle

Answer 15

It acts as a sphincter at entrance of esophagus to prevent air from entering digestive tract

Question 16

What structures pass between the base of the skull and the superior constrictor?

Answer 16

Pharyngotympanic auditory tube
Levator veli palatini
Ascending palatine artery

Question 17

What structures pass between the superior constrictor and the middle constrictor

Answer 17

Stylopharyngeus and glossopharyngeal nerve

Question 18

What structures pass between the middle constrictors and the inferior constrictors

Answer 18

Internal laryngeal nerve
Superior laryngeal artery (branch of superior thyroid)
Superior laryngeal vein

Question 19

What structures pass between the inferior to inferior constrictors

Answer 19

Recurrent laryngeal nerve
Inferior laryngeal artery (branch of inferior thyroid)
Inferior laryngeal vein

Question 20

All muscles except the stylopharyngeus are innervated by what

Answer 20

Vagus

Question 21

What innervates stylopharyngeus

Answer 21

Glossopharyngeal

Question 22

What is the main source of sensory innervation to the pharynx mucosa

Answer 22

Glossopharyngeal

Question 23

What supplies sensory innervation to the upper part of the Nasopharynx and the palatine tonsil?

Answer 23

MAxillary nerve

Question 24

What supplies sensory innervation to the laryngeal inlet

Answer 24

Vagus nerve

Question 25

What are the 5 arteries that supply blood to the pharynx?

Answer 25

Ascending pharyngeal artery 
Branches of facial artery
Branches of maxillary artery
Dorsal lingual branches of lingual artery
Superior thyroid artery

Question 26

What is the only voluntary stage of swallowing?

Answer 26

Stage 1