Oral Cavity

Question 1

Food is prepared for digestion, gets digested and absorbed in this area:

Answer 1

digestive tract

Question 2

These pour their secretions into the digestive tract to help in or contribute to the process of digestion:

Answer 2

digestive glands

Question 3

Made up of lips, cheeks, palate, tongue, gums, and teeth

Answer 3

oral cavity

Question 4

Lip substance is made up of ______ muscle fibers, mainly from _____ ____ muscle.

Answer 4

Skeletal, orbicularis oris

Question 5

These glands lubricate the surface of the lips:

Answer 5

labial glands

Question 6

The muscle forming the substance in the cheeks is called the ______ muscle.

Answer 6

Buccinator

Question 7

Mucous glands in the cheeks are called ____ glands.

Answer 7

Buccal

Question 8

The _____ palate forms the anterior portion of the roof of the oral cavity, the ____ palate forms the posterior portion.

Answer 8

hard, soft

Question 9

The oral mucous membrane is lined with:

Answer 9

stratified squamous non-keratinized epithelium

Question 10

The nasal mucous membrane is line with:

Answer 10

pseudostratified columnar ciliated with goblet cells

Question 11

Palatine glands are located where?

Answer 11

In the underlying C.T. of the oral and nasal mucous membranes.

Question 12

A muscular organ lying on the floor of the mouth.

Answer 12

The toungue

Question 13

These glands lie between the muscle layers of the tongue:

Answer 13

Lingual Glands

Question 14

V-shaped groove in the tongue:

Answer 14

Sulcus Terminalis

Question 15

This tonsil lies directly posterior to the sulcus terminalis:

Answer 15

Lingual tonsil

Question 16

Most numerous papillae, covering most of the superior surface. Conical in shape with a pointed end that may bifurcate. They do NOT carry taste buds. Function to impart roughness.

Answer 16

Filiform papillae

Question 17

This papillae are located at the tips and sides of the tongue. They carry some taste buds.

Answer 17

Fungiform

Question 18

These papillae are the least in number (10-14) located parallel and anterior to the sulcus terminalis. Surrounded by a deep groove called the trench. Von Ebner’s glands are located deep to these papillae.

Answer 18

Circumvallate

Question 19

These papillae appear as transverse folds on the sides of the tongue posteriorly. They appear rectangular.

Answer 19

Foliate papillae

Question 20

Neuroepithelial areas found in the mucous membrane of the tongue, pharynx, palate and epiglottis.

Answer 20

Taste buds

Question 21

These lie mainly in the center and are elongated rod-shaped cells with long microvilli called hairletssensitive to taste stimuli

Answer 21

Neuroepithelial (taste) cells:

Question 22

Large crescent-like cells mostly at periphery. They support and protectthe more delicate taste cells.

Answer 22

Supporting (Sustentacular) cells:

Question 23

Small triangular cells at basement membrane that are thought to be stem cells for other two types.

Answer 23

Basal cells

Question 24

The roots of teeth are attached to the bony sockets via a fibrous membrane called the:

Answer 24

periodontal membrane

Question 25

Forms the outer layer of the tooth root, and is closest to bone.

Answer 25

cementum

Question 26

Forms most of the root and part of the crown, is harder and contains about 72% mineral salts.

Answer 26

dentin

Question 27

Represents a very thick crust over the crown, is a very hard material made up 97% of mineral salts.

Answer 27

enamel

Question 28

Contains the blood vessels and nerves of the tooth.

Answer 28

pulp

Question 29

This is a muscular tube that extends from mouth to esophagus. It is made up of three parts: The nasopharynx, oropharynx and laryngopharynx.

Answer 29

Pharynx

Question 30

The surface epithelium of that membrane in the nasopharynx is:

Answer 30

pseudostratified columnar ciliated with some goblet cells

Question 31

The underlying C.T. contains sero-mucous glands, and in the nasopharynx there occurs infiltration of lymphoid tissue to constitute the:

Answer 31

pharyngeal tonsilor adenoids

Question 32

Pharynx extends from:

Answer 32

Base of the skull to the IVD of C6-C7

Question 33

Adventitia is a:

Answer 33

Fibrous layer

Question 34

musculosa is a:

Answer 34

muscle layer

Question 35

paralysis is:

Answer 35

paralysis of palatine muscles