Mouth and tongue

Question 1

chambers/passageways of mouth

Answer 1

vestibule
oral cavity
oropharyngeal

Question 2

boundaries of vestibule

Answer 2

externally: cheek and lips
internally: teeth and gums

Question 3

boundaries of oral cavity

Answer 3

anteriolateral: teeth and gums
superiorly: hard and soft palate

Question 4

boundaries of oropharyngeal isthmus

Answer 4

superiorly: soft palate
inferiorly: tongue
laterally: palatoglossal arches

Question 5

hard palate formed by

Answer 5

palatine process of maxilla

horizontal plate of the palatine bone

Question 6

function of hard palate

Answer 6

allows mammal to breathe while nursing

Question 7

soft palate separates which two areas

Answer 7

nasopharynx from oropharynx

Question 8

soft palate made of

Answer 8

movable muscular folds

Question 9

muscles of the soft palate

Answer 9

tensor veli palatini
levator veli palatini
musculus uvulae
palatoglossus
palatopharyngeous

Question 10

muscles of soft palate control opening of what two passageways?

Answer 10

nasopharyngeal isthmus
oropharyngeal isthmus
(elevates when swallowing to close off nasal cavity, important for chewing, swallowing, coughing, speaking, & sneezing)

Question 11

what nerve are muscles of soft palate innervated by?

Answer 11

all innervated by vagus N (pharyngeal plexus),

except tensor veli palatini- mandibular division of trigeminal

Question 12

types of tonsils

Answer 12

palatine
lingual
pharyngeal
tubal

Question 13

Waldeyer’s Ring

Answer 13

imaginary ring formed by all tonsils

Question 14

location of palatine tonsils

Answer 14

tonsillar fossa between palatoglossal and palatopharyngeal folds

Question 15

location of lingual tonsils

Answer 15

posterior part of dorsum of tongue

Question 16

location of pharyngeal tonsils

Answer 16

pharyngeal recess of nasopharynx

“adenoids”

Question 17

location of tubal tonsils

Answer 17

extension of the pharyngeal tonsil

near opening of auditory tube

Question 18

root of tongue attached to

Answer 18

mandible

hyoid

Question 19

muscles of tongue

Answer 19

genioglossus
hyoglossus
styloglossus
palatoglossus

Question 20

What innervates muscles of tongue

Answer 20

hypoglossal N

except palatoglossal-vagus (pharyngeal plexus)

Question 21

innervation for taste on tongue

Answer 21

anterior 2/3= chorda tympani from facial N

posteriro 1/3= glossopharyngeal & some Vagus

Question 22

general sensation innervation on tongue

Answer 22

anterior 2/3= lingual N (from mandibular division of trigeminal)
posterior 1/3= glosopharyngeal N

Question 23

largest, most superior muscle of tongue

Answer 23

genioglossus

Question 24

middle muscle of tongue

Answer 24

geniohyoid

Question 25

muscle down midline of tongue

Answer 25

hyoglossus

Question 26

action of genioglossus

Answer 26

protrudes and depresses tongue

Question 27

action of hyoglossus

Answer 27

depresses and retracts tongue

Question 28

action of styloglossus

Answer 28

retract and elevate tongue

Question 29

action of palatoglossus

Answer 29

elevates tongue