U1, L2 Mouth, Pharynx, Esophagus

Question 1

salivary ___ begins chemical breakdown of starch in the mouth.

Answer 1

amylase

Question 2

the hard palate is formed by the __ and __ bones.

Answer 2

palatine bone, and palatine process of the maxillae.

Question 3

the soft palate helps close off the __ during swallowing.

Answer 3

nasopharynx.

Question 4

In the tongue, intrinsic muscles control the ___ and extrinsic muscles control the __ .

Answer 4

shape; position

Question 5

what are the four types of papillae on the tongue? What type does not have taste buds?

Answer 5

filiform, foliate, fungiform, vallate; filiform papilla.

Question 6

___ salivary glands do not contain enzymes and their job is to keep the mouth moist.

Answer 6

intrinsic

Question 7

___ salivary glands secrete serous, enzyme-rich saliva.

Answer 7

extrinsic

Question 8

extrinsic glands include:

Answer 8

parotid, submandibular, and sublingual.

Question 9

the parotid salivary gland drains via the ___ duct.

Answer 9

stensen’s

Question 10

submandibular salivary gland drains via the ___ duct.

Answer 10

wharton’s

Question 11

the sublingual salivary gland drains via ___ ducts located in the floor of the mouth

Answer 11

10 - 12

Question 12

the pH of saliva is slightly ____.

Answer 12

alkaline

Question 13

saliva’s 3 jobs are to…

Answer 13

wash away bacteria from teeth, start the breakdown of starches, and to lubricate the bolus.

Question 14

there are usually ___ primary teeth

Answer 14

20

Question 15

there are usually ___ permanent teeth

Answer 15

32

Question 16

the ___ of a tooth is the outermost layer

Answer 16

enamel

Question 17

underneath the enamel of the tooth is a bonelike material called ___.

Answer 17

dentin

Question 18

cementum is formed by calcified ____.

Answer 18

connective tissue

Question 19

____ and ___ are found in the

center of the tooth surrounded by pulp.

Answer 19

Blood vessels and nerves

Question 20

the __ ligament anchors the tooth to the alveolus and forms a fibrous joint called ___.

Answer 20

periodontal; gomphosis

Question 21

the pharynx is lined with ___ epithelium and ___ glands.

Answer 21

stratified squamous; mucus

Question 22

when swallowing, the larynx and trachea are sealed by the ____.

Answer 22

epiglottis

Question 23

the process of sealing the larynx, trachea, and nasopharynx is controlled by the __ and __.

Answer 23

medulla and lower pons.