Week 2 - dry room

Question 1

What is the oral vestibule?

Answer 1

space between the lips and cheeks superficially and the teeth and gingivae deeply

Question 2

What v shaped sulcus separates the tongue into the anterior 2/3 and posterior 1/3?

Answer 2

terminal sulcus

Question 3

What is the foramen in the terminal sulcus called and what is its embryological significance?

Answer 3

foramen caecum

thyroid gland non functional remnant - why thyroglossal cyst moves with tongue protrusion

Question 4

What are the 3 types of papillae called on the tongue?

Answer 4

filiform

fungiform and foliate

Question 5

What papillae lacks taste buds?

Answer 5

filiform

Question 6

What is the submucosal lymphoid tissue collection on too posterior 1/3 of tongue called?

Answer 6

lingual tonsil

Question 7

What is the fold of mucous membrane fixing the tongue to the floor of the mouth?

Answer 7

lingual frenulum

Question 8

Anterior 2/3 tongue - general sensory and taste

Answer 8

mandibular division of trigeminal

chorda tympani

Question 9

Posterior 1/3 tongue - general sensory and taste

Answer 9

both glossopharyngeal

Question 10

What do intrinsic tongue muscles do?

Answer 10

change shape of the tongue

Question 11

4 extrinsic tongue muscles

Answer 11

genioglossus, hyoglossus, styloglossus and palatoglossus

Question 12

What extrinsic muscle of the tongue is not innervated by the hypoglossal nerve?

Answer 12

palatoglossus

Question 13

What nerve innervates each of the salivary glands?

Answer 13

parotid = glossopharyngeal

other 2 = facial

Question 14

5 muscles of the soft palate

Answer 14

Tensor veli palatine, levator veli palatine, palatoglossus, palatopharyngeus, musculis uvulae

Question 15

Collective action of soft palate muscles

Answer 15

block off nasal cavity during swallowing

Question 16

What structure lies between the palatoglossus and palatopharyngeus folds?

Answer 16

palatine tonsils

Question 17

What prevents a bolus from entering a)nasopharynx and b) larynx

Answer 17

soft palate elevation

epiglottis

Question 18

What comprises the outer circular layer of the pharynx?

Answer 18

constrictor muscles - superior, middle and inferior

Question 19

What 3 muscles comprise the inner longitudinal layer of the pharynx?

Answer 19

salpingopharyngeus
palatopharyngeus
stylopharyngeus

Question 20

Where does the pharynx receive innervation from?

Answer 20

pharyngeal plexus

Question 21

What 2 cranial nerves forms the pharyngeal plexus?

Answer 21

9 and 10

Question 22

Constrictor muscles of pharynx function during swallowing

Answer 22

constrict the lumen and propel bolus inferiorly into the oesophagus

Question 23

Longitudinal pharynx muscles function during swallowing

Answer 23

shorten and widen the pharynx and elevate larynx

Question 24

What is the purpose of pharyngeal lymphoid ring?

Answer 24

protects entrance to oropharynx and first line of defence

Question 25

What are some other tonsils called?

Answer 25

palatine, adenoid, lingual

Question 26

The prominence on what cartilage makes the adams apple?

Answer 26

thyroid

Question 27

What cartilage of the larynx is paired?

Answer 27

arytenoid

Question 28

What cartilage of the larynx is a complete ring?

Answer 28

cricoid

Question 29

What is the vestibular fold?

Answer 29

false vocal cord

Question 30

What is the nerve supply to the intrinsic muscles of the larynx? Except which?

Answer 30

recurrent laryngeal nerve | cricothyroid

Question 31

What supplies the cricothyroid muscle?

Answer 31

superior laryngeal nerve

Question 32

What is the sensory supply to the larynx?

Answer 32

superior laryngeal nerve

Question 33

Are vocal cords open or closed when speaking?

Answer 33

closed