Pharynx

Question 1

What is the pharynx

Answer 1

muscular sac hanging from the base of the skull

common opening for air and food

Question 2

What part of the pharynx will receive openings for oral cavity

Answer 2

oropharynx

Question 3

What part of the pharyx will receive openings for larynx

Answer 3

laryngopharynx

Question 4

What part of pharynx will receive openings for nasal cavity

Answer 4

nasopharynx

Question 5

What marks the posterior wall of the pharynx

Answer 5

pharyngeal tubercle

Question 6

Where does the pharynx insert laterall

Answer 6

cartilaginous portion of the pharyngotympanic tube

Question 7

What are the cranial attachments of superior constrictor

Answer 7

medial pterydoid plate hamulus

pteygomandibular raphe

Question 8

What are the attachments of the middle constrictors

Answer 8

stylohyoid ligament and hyoid bone

Question 9

What are the attachments of the inferior constrictors

Answer 9

thyroid cartilage

cricoid cartilage

Question 10

What muscles will attach to the oblique line of the thyroid cartilage

Answer 10

sternothyroid and thyrohyoid

Question 11

What does the palatopharyngela sphincter differentiate

Answer 11

pharyngeal isthmus between the nasopharynx and oropharynx

Question 12

What are the pharyngeal constrictor muscles innervated by

Answer 12

vagus CNX

Question 13

What does the stylopharyngeus muscle span

Answer 13

styloid process to the gap between the superior and middle constrictors

Question 14

What is stylopharyngeus muscle innervated by

Answer 14

CN IX: glossopharyngeal

Question 15

Where does the Salpingopharyngeus muscle span

Answer 15

pharyngotympanic tube to the pharyngeal wall

Question 16

What is salpingopharyngeus muscle innervated by

Answer 16

CNX

Question 17

Where does the palatopharyngeus muscle span

Answer 17

soft palate to the pharyngeal wall

Question 18

What is the palatopharyngeus muscle innervated by

Answer 18

CNX: vagus

Question 19

What does the palatopharyngeus muscle form

Answer 19

palatopharyngeal arch

Question 20

What are the longitudinal muscles of the pharyngeal wall

Answer 20

stylopharyngeus
salpingopharyngeus
palatopharyngeus

Question 21

What are the functions of the stylopharyngeus, salpingopharyngeus, palatopharygeus muscles

Answer 21

elevate the pharynx

Question 22

What are the fascial layers that cover the pharyngeal wall

Answer 22

buccopharyngeal fascia (outside)
pharyngobasilar fascia (inside)

Question 23

What are in between the buccopharyngeal and pharyngobasilar fascia

Answer 23

constrictor muscles

Question 24

How many gaps are seen in the pharyns

Answer 24

4

Question 25

Where does GAP 1 occur

Answer 25

superior to the superior constrictor

Question 26

Where does GAP 2 occur

Answer 26

between superior and middle constrictor

Question 27

Where does GAP 3 occur

Answer 27

between middle and inferior constrictor

Question 28

Where does GAP 4 occur

Answer 28

under the inferior constrictor

Question 29

Where is the nasopharynx found

Answer 29

behind the choanae above the soft palate

Question 30

What forms the ceiling of the nasopharyns

Answer 30

skull base (sphenoid and occipital bones)

Question 31

Where will the pharyngotympanic tube open

Answer 31

nasopharynx

Question 32

What is the torus tubarius

Answer 32

elevation by the cartilage of the pharyngotympanic tube

Question 33

What does the mucosa covering of the torus tubarius contain

Answer 33

tubarian tonsils

Question 34

What is contianed within the salpingopharyngeal fold

Answer 34

salpingopharyngeus muscle

Question 35

Where is the levator veli palatini contained

Answer 35

salpingopalatini gold

Question 36

What innervates levator veli palatini

Answer 36

Vagus

Question 37

Where is the oropharynx found

Answer 37

behind oral cavity

Question 38

What structures are found within the oropharyngeal isthmus

Answer 38

palatoglossal arch palatine tonsils palatopharyngeal arch

Question 39

What does the palatoglossal arch contain

Answer 39

palatoglossus muscle

Question 40

What does the palatopharyngeal arch contain

Answer 40

palatopharyngeus muscle

Question 41

Where is the lingual tonsil found

Answer 41

base of tongue

Question 42

Where are palatoglossal arches found

Answer 42

between soft palate and tongue

Question 43

What is the superior blood supply of the pharynx

Answer 43

ascending pharyngeal artery Ascending palatine and tonsillary branches of facial small branches of maxillary and lingual arteries

Question 44

What is the inferior blood supply of the pharyns

Answer 44

pharygeal branches of the inferior thyroid artery

Question 45

What causes most of the bleeding during tonsillectomy

Answer 45

ascending palatine and tonsillary branches

Question 46

Where will the pharyngeal venous plexus drain

Answer 46

superiorly: pterygoid plexus inferiorly: facial and internal jugular veins

Question 47

What are the branches of the pharyngeal plexus that will supply motor and sensory info to the pharynx

Answer 47

external branch of the superior laryngeal nerve (Vagus CNX) pharyngeal branch (Glossopharyngeal CNIX)

Question 48

What nerve will supply sensory innervation to the nasopharynx

Answer 48

pharyngeal branch of the maxillary nerve (V2)

Question 49

What nerve will supply sensory innervation to the oropharynx

Answer 49

CNIX

Question 50

What nerve will supply sensory innervation to the laryngopharynx

Answer 50

CNX

Question 51

What nerves will provide the afferent and efferent limbs of the gag reflex

Answer 51

afferent CNIX | efferent CNX

Question 52

What is the course of the glossopharyngeal nerve around the pharynx

Answer 52

through the jugular foramen. First on posterior surface of the stylopharyngeus then turns to the lateral surface of the muscle Passes through the gap between superior and middle constrictors under the palatine tonsil Reaches the poster aspect of the tongue