Head & Neck

Question 1

What muscle closes the inferior aspect of the jaw?

Answer 1

Mylohyoid (mandible - hyoid bone)

Question 2

Foramen caecum

Answer 2

apex of sulcus terminalis; remnant of the duct that forms the thyroid gland

Question 3

Unilateral damage to the hypoglossal nerve presents as

Answer 3

protrusion of the normal side but not the affected side - tongue deviates towards the side of the lesion

Question 4

Inferior alveolar nerve is a branch of

Answer 4

Mandibular (V3)

Question 5

Superior alveolar nerve is a branch of

Answer 5

Maxillary (V2)

Question 6

The duct of the parotid gland passes

Answer 6

anterior to the masseter

Question 7

The duct of the parotid gland opens into

Answer 7

the vestibule between the lip and the gum at the upper 2nd molar

Question 8

What are the 3 salivary glands?

Answer 8

parotid, sublingual, and submandibular

Question 9

What is the position of the submandibular gland?

Answer 9

Wraps around the free lateral edge of the mylohyoid muscle

Question 10

Where does the duct of the submandibular gland travel?

Answer 10

From the superior internal portion into a papilla lateral to the frenulum

Question 11

Where is the sublingual gland?

Answer 11

lateral to the tongue in the floor of the mouth under the mucosa

Question 12

Where does the sublingual gland open to?

Answer 12

Mucosa of the floor of the mouth lateral to the tongue

Question 13

Where does the palatine tonsil sit?

Answer 13

Between the palatoglossal and palatopharyngeal arches on the lateral wall of the oropharynx

Question 14

What is the function of the soft palate?

Answer 14

Closes off the nose during swallowing, coughing, and suction (elevation); seals off the oral cavity (depression) to allow breathing while chewing

Question 15

The soft palate is attached to

Answer 15

the horizontal plate of the palatine bone

Question 16

What is Waldeyer’s ring?

Answer 16

incomplete ring of lymphoid tissue (tonsils) around the oral and nasal cavities; first line of defence; primes immune system in early life

Question 17

What comprises Waldeyer’s ring?

Answer 17

pharyngeal, tubual, palatine, and lingual tonsils

Question 18

What forms the roof of the oral cavity?

Answer 18

Palatine process of maxilla and horizontal plate of palatine bone, soft palate, uvula

Question 19

What forms the floor of the mouth?

Answer 19

Mylohyoid, digastric, geniohyoid muscles

Question 20

Sulcus terminalis

Answer 20

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

Question 21

Valate papillae

Answer 21

anterior to sulcus terminalis

Question 22

Foliate papillae

Answer 22

sides of tongue

Question 23

Fungiform papillae

Answer 23

tongue

Question 24

Where are the taste buds?

Answer 24

Around the bases of the fungiform papillae

Question 25

Where are the lingual tonsils?

Answer 25

Posterior tongue

Question 26

What are the 4 types of teeth?

Answer 26

2 each: incisors, canines, premolars, molars (3rd molars are wisdom teeth)

Question 27

What is the nerve supply to the upper teeth?

Answer 27

Superior alveolar (V2)

Question 28

What is the nerve supply to the lower teeth?

Answer 28

Inferior alveolar (V3)

Question 29

Pain in the lower teeth can refer to

Answer 29

External auditory meatus via posterior auricular branch of V3