Chapter 15 Pt. 1 (Final Exam Pt. 9)

Question 1

Which digestive organ is this:

receives food

Answer 1

mouth

Question 2

Which digestive organ is this:

contains teeth and tongue

Answer 2

mouth

Question 3

Which digestive organ is this:

tongue manipulates food and monitors quality

Answer 3

mouth

Question 4

Which digestive organ is this:

passageway for both food and air

Answer 4

Pharynx

Question 5

Which digestive organ is this:

tube that transports food from mouth to stomach

Answer 5

Esophagus

Question 6

Which digestive organ is this:

J-shaped muscular sac for food storage

Answer 6

Stomach

Question 7

Which digestive organ is this:

long tube where digestion is completed and nutrients are absorbed

Answer 7

Small Intestine

Question 8

Which digestive organ is this:

final tubular region of GI tract

Answer 8

Large Intestine

Question 9

Which digestive organ is this:

absorbs water and ions

Answer 9

Large Intestine

Question 10

Which digestive organ is this:

houses bacteria

Answer 10

Large Intestine

Question 11

Which digestive organ is this:

forms and expels feces

Answer 11

Large Intestine

Question 12

Which digestive organ is this:

terminal outlet of digestive tract

Answer 12

Anus

Question 13

Which digestive organs use mechanical digestion?

Answer 13

mouth
stomach
small intestine

Question 14

Which digestive organs use chemical digestion?

Answer 14

mouth
stomach
small intestine
large intestine

Question 15

The digestive system is also called the ____________ (___) ______.

Answer 15

gastrointestinal (GI) tract

Question 16

What is lumen?

Answer 16

the hollow area of the tube through which food and fluids travel

Question 17

What are the 4 layers of the GI tract?

Answer 17

(1) mucosa
(2) submucosa
vessels, and nerves
(3) muscularis
(4) serosa

Question 18

Which layer of the GI tract is this:

the innermost layer of the GI tract

Answer 18

mucosa

Question 19

Which layer of the GI tract is this:

moist, mucus-secreting layer

Answer 19

mucosa

Question 20

Which layer of the GI tract is this:

lubricates and protects the GI tract

Answer 20

mucosa

Question 21

Which layer of the GI tract is this:

consists of connective tissue containing blood vessels, lymph vessels, and nerves

Answer 21

submucosa

Question 22

Which layer of the GI tract is this:

responsible for movement of materials through the GI tract and for mixing ingested materials with digestive secretions

Answer 22

muscularis

Question 23

Which layer of the GI tract is this:

2 layers of smooth muscle (one circular and one longitudinal)

Answer 23

muscularis

Question 24

Which layer of the GI tract is this:

a thin layer of epithelial tissue supported by connective tissue that wraps around the GI tract

Answer 24

serosa

Question 25

Which layer of the GI tract is this:

lubricates the outside of the GI tract

Answer 25

serosa

Question 26

What are the accessory structures of the digestive system?

Answer 26

salivary glands
liver
gallbladder
pancreas

Question 27

The ___________ releases bile into the small intestine

Answer 27

gallbladder

Question 28

What are the functions of the mouth?

Answer 28

(1) it begins mechanical and chemical digestion
(2) it monitors food quality
(3) it moistens and manipulates food so that it can be swallowed

Question 29

What are the different types of teeth?

Answer 29

Incisors
Canines
Premolars & Molars

Question 30

What do Incisors do?

Answer 30

in front of mouth

slice the food

Question 31

What do Canines do?

Answer 31

tear the food

Question 32

What do Premolars & Molars do?

Answer 32

ground, crushed, and pulverized food

Question 33

True or False: teeth are alive

Answer 33

true

Question 34

What is dentin?

Answer 34

bonelike structure that surrounds the pulp

Question 35

Where is the pulp located on the teeth?

Answer 35

in the middle and contains blood vessels and nerves

Question 36

What is a crown?

Answer 36

the part of the tooth visible above the gum line

Question 37

The crown of a tooth is covered with _________

Answer 37

enamel

Question 38

The root of a tooth is covered with _________

Answer 38

cementum

Question 39

What is enamel?

Answer 39

a nonliving material hardened with calcium salts

Question 40

What is cementum?

Answer 40

a calcified, yet living and sensitive connective tissue

Question 41

What is plaque?

Answer 41

an invisible film of bacteria, mucus, and food particles

Question 42

What is gingivitis?

Answer 42

an early stage of gum disease; occurs when plaque that has formed along the gum line causes the gum to become inflamed and swollen

Question 43

What is periodontitis?

Answer 43

the bacteria in the plaque can then attack the bone and soft tissues around the tooth