Digestive System

Question 1

Approximately how long is the esophagus?

Answer 1

10 inches

Question 2

What are the three accessory organs of the mouth?

Answer 2

teeth, tongue, salivary glands

Question 3

Name the three pairs of salivary glands.

Answer 3

Parotid, sublingual, submandibular

Question 4

Name the highly mobile, muscular organ occupying the floor of the oral cavity.

Answer 4

tongue

Question 5

What are two other names of ‘baby teeth’?

Answer 5

Deciduous teeth or milk teeth

Question 6

Name the three parts of a tooth.

Answer 6

Crown, Neck, Root

Question 7

How many deciduous teeth are there?

Answer 7

20

Question 8

How many permanent teeth are there?

Answer 8

32

Question 9

Permanent teeth develop between which ages?

Answer 9

6-12 years of age

Question 10

Baby teeth develop between which ages?

Answer 10

6 months and 2 years

Question 11

What are the 4 main layers of the digestive tract?

Answer 11

Mucosa, submucosa, muscularis, and serosa

Question 12

What is another term for the visceral peritoneum?

Answer 12

Serosa

Question 13

The section of the serosa that anchors the intestines to the posterior abdominal wall is called __________.

Answer 13

Mesentery

Question 14

The wave-like muscular movement in the digestive tract.

Answer 14

Peristalsis

Question 15

Approximately how long is the alimentary tract?

Answer 15

29-30 feet

Question 16

What is included in the alimentary tract?

Answer 16

Mouth, pharynx, esophagus, stomach, small and large intestines, and anus

Question 17

Funnel-shaped organ situated on the anterior surface of the cervical vertebrae.

Answer 17

Pharynx

Question 18

Name the three portions of the pharynx.

Answer 18

Nasopharynx, oropharynx, and laryngopharynx (hypopharynx)

Question 19

Where are the eustachian tubes contained?

Answer 19

Nasopharynx

Question 20

Flap of connective tissue that closes over the glottis to prevent aspiration

Answer 20

Epiglottis