Oral Cavity and Esophagus

Question 1

What are the two areas of the oral cavity?

Answer 1

oral vestibule and the oral cavity proper

Question 2

What is the oral vestibule?

Answer 2

The pouch btw lips and teeth

Question 3

What is the anterior border of the oral vestibule?

Answer 3

The upper (or lower depending on which vestibule) lip

Question 4

What is the posterior border of the oral vestibule?

Answer 4

The teeth

Question 5

What structures are located within the oral vestibule (3)

Answer 5

superior and inferior labial frenulum and the gingivae

Question 6

What is the inferior and superior labial frenulum

Answer 6

tissue that attaches lips to gums

Question 7

What is the gingivae?

Answer 7

Gum

Question 8

What forms the anterior border of the oral cavity proper?

Answer 8

teeth

Question 9

what froms the inferior border of the oral cavity proper?

Answer 9

the tongue (forms the floor)

Question 10

What forms the superior border of the oral cavity proper?

Answer 10

the hard and soft palate

Question 11

What forms the inferior border of the oral cavity proper?

Answer 11

palatoglossal arch and palatopharyngeal arch `

Question 12

What are the two associated structures within the oral cavity proper?

Answer 12

lingual foramen, uvula, and palatine tonsils

Question 13

What is the uvula?

Answer 13

It is an extension off the soft palate that closes when swallowing, blocking off access to the nasopharynx

Question 14

What is the palatine tonsil?

Answer 14

Lymphoid tissue in btw the platoglossal arch and the platopharyngeal arch (back and sidee of mouth), has immune functions

Question 15

What is the lingual frenulum?

Answer 15

mucous membrane that functions to attach the tongue to the floor of the mouth

Question 16

what ar the 3 major salivary glands?

Answer 16

parotid gland, submandibular gland, and sublingual gland

Question 17

What function does a mucous gland have?

Answer 17

secrete a mucous that provides lubrication

Question 18

What function does a serous gland have?

Answer 18

secretes enzymes containing saliva

Question 19

What function does a seromucous gland have?

Answer 19

Secretes both lubricating mucous and enzyme containing salvia

Question 20

Where is the parotid gland located?

Answer 20

anterior to the ears

Question 21

What is superficial to the parotid gland?

Answer 21

Skin

Question 22

What is deep to the parotid gland?

Answer 22

Masseter

Question 23

What drains the parotid gland?

Answer 23

Stendon’s duct

Question 24

Where does stendon’s duct open?

Answer 24

behind the second upper molar

Question 25

What nerve innervates parotid gland

Answer 25

CN 9 - hypoglossal nerve

Question 26

What type of gland is the parotid gland?

Answer 26

Serous (secretes saliva with enzymes)

Question 27

Where is the submandibular gland located?

Answer 27

Inferior to mandible and in btw diagastric muscles

Question 28

What emptiues the submandibular gland?

Answer 28

Warton's duct

Question 29

Where does Warton's duct open?

Answer 29

Lateral to the lingual frenulum (fold of mucus membrane that attaches tongue to the roof of the mouth)

Question 30

What innervates the submandibular gland?

Answer 30

Cranial nerve 7

Question 31

What type of gland is the submandibular gland?

Answer 31

Seromucous gland - secretes lubrating mucous AND enzyme containing saliva

Question 32

Where is the sublingual gland?

Answer 32

located inferior to tongue on the floor of the oral cavity

Question 33

What drains the sublingual gland?

Answer 33

Batholin's duct

Question 34

What does bartholins duct connect with?

Answer 34

Warton's duct

Question 35

What nerve innervates the sublingual gland?

Answer 35

cranial nerve 7

Question 36

what type of gland is the sublingual gland?

Answer 36

mucous secreting gland that acts to lubricate

Question 37

What divides the tongue into posterior 1/3 and anterior 2/3

Answer 37

sulcus terminalis

Question 38

What is the function of the epiglottis?

Answer 38

When relaxed - upright to allow air into larynx and lungs When folded (during swallowing) - covers entrance of larynx so food does not enter windpipes

Question 39

What is the lingual tonsil?

Answer 39

lymphoid tissue located at the back of the tongue serving an immunological function

Question 40

where is the epiglottis located?

Answer 40

in the throat, behind tongue and in front of larynx

Question 41

Which of the papillae contain tastebuds?

Answer 41

foliate papillae and the fungiform papillae and the circumvallate papillaefoliate

Question 42

What is the function of the foliate papillae

Answer 42

to perceive taste

Question 43

Where are the foliate papillae located?

Answer 43

bilaterally along posterolateral margins of the tongue surface

Question 44

What is the function of the fungiform papillae?

Answer 44

taste perception

Question 45

Where are the fungiform papillae located?

Answer 45

dorsum of the tongue - more in the middle

Question 46

What are the filiform papillae?

Answer 46

rough patches that allow you to grip food and form bolluses - they have NO tastebuds

Question 47

Where are the filiform papillae located?

Answer 47

anterior dorsum of the tongue (think the tip)

Question 48

What innervates the taste function of the epiglottis

Answer 48

CNX

Question 49

What innervates the taste function of the posterior 1/3 of the tongue?

Answer 49

CN 9

Question 50

What innervates the taste function of the anterior 2/3 of the tongue

Answer 50

CN 7 - chorda tympani branch

Question 51

What innervates the general sensation function of the epiglottis

Answer 51

CN X

Question 52

What innervates the general sensation function of the posterior 1/3 of the tongue?

Answer 52

CN 9

Question 53

What innervates the general sensation function of the anterior 2/3 of the tongue?

Answer 53

CN 5, branch 3