Mouth, Nose and Ears

Question 1

What are the parts that the oral cavity is divided into

Answer 1

The oral vestibule and oral cavity proper

Question 2

The slit like space b/w the lips and cheeks superficially and the teeth and gingivae deeply

Answer 2

Oral vestibule

Question 3

Mobile fleshy muscular folds surrounding the mouth, contain the orbicularis oris and superior and inferior labial muscles, vessels and nerves

Answer 3

Lips

Question 4

Vertical groove of the upper lip

Answer 4

Philtrum

Question 5

The transition zone b/w skin and mucous membrane

Answer 5

Vermillion border

Question 6

Lymph from the upper lip and lateral parts of the lower lip passes primarily to

Answer 6

Submandibular LNs

Question 7

Lymph from the medial part of the lower lip passes initially to the

Answer 7

Submental LNs

Question 8

This palate is formed by the palatine processes of the maxillae and horizontal plates of the palatine bones

Answer 8

Hard palate

Question 9

What 3 foramina open on the oral aspect of the hard palate

Answer 9

Incisive fossa, the greater and lesser palatine foramina.

Question 10

The moveable posterior third of the palate that is suspended from the posterior border of the hard palate

Answer 10

Soft palate

Question 11

What are the functions of the salivary glands?

Answer 11

Keep the mucous membrane of the mouth moist, lubricates the food during mastication, begins digestion of starches, serves as an intrinsic “mouthwash” and plays a significant role in the prevention of tooth decay and in the ability to taste