LAB Mouth, Tongue, Larynx

Question 0

Where does the parotid duct come out?

Answer 0

The second molar

Question 1

Where do the palatine tonsils sit between?

Answer 1

The palatoglossal arch and the palatopharyngeal arch

Question 2

What gland is at the floor of the mouth?

Answer 2

Submandibular gland

Question 3

What is the frenulum?

Answer 3

Divides the oral cavity to left and right

Question 4

What developmental delay leads to “tongue tied” stuff?

Answer 4

The frenulum of the tongue

It would need to be cut

Question 5

What goes over the lingual nerve?

Answer 5

The submandibular gland

Question 6

What hangs on the lingual nerve (after it joins the choroid tympani)?

Answer 6

The submandibular ganglion

Facial nerve is preganglionic

Question 7

What two ganglion does the facial nerve feed?

Answer 7

The submandibular

The pterygopalatine

Question 8

What is the hyoglossus muscle?

Answer 8

Goes from the hyoid bone to the tongue

Question 9

What runs over the hyoglossus muscle?

Answer 9

The hypoglossal nerve

Question 10

What is the most important muscle in the tongue region?

Answer 10

Genioglossus

Takes origin of four geniotubercles

Question 11

What is the genioglossus muscle innervated by?

Answer 11

The hypoglossal

Question 12

What does the genioglossus muscle do?

Answer 12

Stick out the tongue straight

Question 13

What happens if you have a lower motor neuron lesion in the hypoglossal nerve?

Answer 13

The tongue will stick out to the opposite side

Question 14

What is the geniohyoid innervated by?

Answer 14

Cervical nerve 1

Question 15

What are the three muscle coming off the styloid process?

Answer 15

Styloglossus
Stylopharyngeus
Stylohyoid

Question 16

What artery is under the hyoglossus muscle?

Answer 16

The lingual artery

Along with the hypoglossal nerve

Question 17

Where do you find the Glossopharyngeal nerve?

Answer 17

Around the stylopharyngeus muscle
Right below the superior and middle comstrictor
Supplieing posterior third of the tongue, sensory and taste

Question 18

Where do the taste fibers end up?

Answer 18

The brainstem
A tract called the solitary tract, surrounding the solitary tract is the solitary nucleus sending stuff to the thalamus, then to the insulary cortex

Question 19

What is the one tongue muscle not supplied by the hypoglossal?

Answer 19

Palatoglossus supplied by the vagus

Question 20

Where do the taste fibers from the lingual nerve have their cell bodies?

Answer 20

The geniculate ganglion

Question 21

Where do the central process from the geniculate ganglion go?

Answer 21

Solitary tract

From CN 9 also

Question 22

Where does the lymph for the anterior tongue drain?

Answer 22

The submental lymph nodes

Question 23

Where does the lymph from the sides of the tongue drain?

Answer 23

The submandibular nodes

Question 24

Where does lymphmfrom the center of the tongue drain?

Answer 24

Both sides

Question 25

Where does lymph drain from posterior tongue drain?

Answer 25

The internal jugular and corotid nodes

Question 26

What is the epiglottic valleculae?

Answer 26

Connects the epiglottis and hyoid | The saliva collects here and may find squamous cell carcinomas

Question 27

What is on the posterior side of the thyroid cartilage?

Answer 27

The arytenoid cartilage Controls movements of the vocal cords On top of the cricoid cartilage

Question 28

Where does the epiglottis attach?

Answer 28

The thyroid cartilage

Question 29

Where do the muscles of the vocal cord attach?

Answer 29

The muscular process of the arytenoid cartilage

Question 30

What is important about the internal branch of the superior laryngeal nerve?

Answer 30

It supplies sensory to the area above the true vocal cords

Question 31

What are the three areas of the larynx?

Answer 31

The vestibule Middle part Infraglottic region

Question 32

What is the false vocal cord?

Answer 32

The vestibular fold

Question 33

What nerve supplies the vocal cords of the larynx?

Answer 33

The reccurrent laryngeal branch of he vagus nerve | Also sensory to below the true vocal cord

Question 34

What is the one muscle at the larynx?

Answer 34

The cricothyroid supplied by the external branch of the superior laryngeal nerve

Question 35

What is the posterior cricoarytenoid muscle?

Answer 35

On the laminar process of the cricoid cartilage ABDUCTS the vocal cords Supplied by the recurrent branch of the laryngeal nerve of the vagus

Question 36

What nerve stimulates he cough reflex?

Answer 36

The internal branch of the superior laryngeal nerve

Question 37

What does the hypoglossal nerve pass over?

Answer 37

The hypoglossus muscle

Question 38

What is found in the floor of the tonsillar fossa?

Answer 38

Glossopharyngeal nerve Styloglossus muscle Superior pharyngeal constrictor

Question 39

What is responsible for protrusion of the tongue?

Answer 39

The genioglossus muscle

Question 40

What structure boarders the oral cavity and the Oropharynx?

Answer 40

The palatoglossal fold

Question 41

What nerve innervates stylopharyngeus?

Answer 41

The Glossopharyngeal | Also the tonsillar fossa

Question 42

What is the only tongue muscle not innervated by the hypoglossal nerve and what is it innervated by?

Answer 42

The palatoglossus | Innervated by the vagus nerve

Question 43

Which nerve is responsible for referred pain from the middle ear infections involving the tonsillar fossa?

Answer 43

The Glossopharyngeal

Question 44

Which ganglion is responsible for the sensory nerve fibers innervating the taste buds associated with the circumvallate papillae?

Answer 44

The Glossopharyngeal ganglion

Question 45

What muscle is responsible for opening the Roma glottidis?

Answer 45

The posterior cricoarytenoid muscle

Question 46

What muscles elevate the larynx?

Answer 46

``` Geniohyoid Mylohyoid Palatopharyngeus Salpingopharyngeus Sternothyroid Thyrohyoid ```

Question 47

What nerve innervates the intrinsic muscle of the larynx?

Answer 47

The recurrent branch (inferior) of the laryngeal nerve

Question 48

What nerve innervates the larynx superior to the true vocal cords?

Answer 48

The internal branch of the superior laryngeal nerve