Digestive System

Question 1

Alimentary Canal AKA

Answer 1

Gastroinstestinal tract

Question 2

Alimentary Canal is responsible for…

Answer 2

Digestion and absorption

Question 3

The physical breakdown of food into smaller pieces

Answer 3

Mechanical digestion

Question 4

Type of tissue that allows for propulsion

Answer 4

Smooth muscle

Question 5

Breaking molecules into smaller compounds

Answer 5

Chemical digestion

Question 6

Class of chemical needed for chemical digestion

Answer 6

Lysozymes

Question 7

Where the majority of chemical digestion happens

Answer 7

Small intestine

Question 8

Four main layers thru/out alimentary canal

Answer 8

Mucosa
Submucosa
Muscular externa
Serosa

Question 9

Epithelial (inner) lining of alimentary canal

Answer 9

Mucosa

Question 10

Connective tissue layer of alimentary canal that holds mucosa in place

Answer 10

Submucosa

Question 11

Muscular layer of alimentary canal

Answer 11

Muscularis externa

Question 12

Type of muscle that makes up muscularis externa

Answer 12

Smooth muscle

Question 13

Covering (outer) layer of alimentary canal

Answer 13

Serosa

Question 14

Moving material thru the gut

Answer 14

Peristalsis

Question 15

Allows for propulsion

Answer 15

Peristalsis

Question 16

Mixing material with digestive enzymes in small intestine

Answer 16

Segmentation

Question 17

Neurons that are not directly connected with central or peripheral nervous system and communicate w each other to control GI activity

Answer 17

Enteric Neurons– Intrinsic Nerve Plexus

Question 18

Enteric neurons are found…

Answer 18

Between organs

Question 19

Controls smooth muscle of esophagus, stomach and intestines

Answer 19

Enteric Neurons (Intrinsic Nerve Plexus)

Question 20

Digestive system receives motor input from…

Answer 20

Sympathetic and parasympathetic divisions of ANS

Question 21

Three layers of tissue of oral cavity

Answer 21

Mucosa
Submucosa
Muscularis externa

Question 22

Type of tissue that makes up the mucosa of oral cavity

Answer 22

Stratified squamous epithelium

Question 23

The muscularis externa of the mouth is made up of…

Answer 23

Skeletal Muscle

Question 24

Prevents food from entering nasopharynx during swallowing/acts as a diverter

Answer 24

Soft palate

Question 25

Type of muscle of the tongue that allows for change of shape for swallowing and speech

Answer 25

Intrinsic

Question 26

What alters tongue position

Answer 26

Extrinsic muscles

Question 27

Found within oral cavity, continuously produce saliva and lubricate

Answer 27

Buccal glands

Question 28

3 pairs of extrinsic salivary glands

Answer 28

Parotid Sublingual Submandibular

Question 29

Mumps is a viral infection of these glands

Answer 29

Parotid

Question 30

Composition of saliva is slightly...

Answer 30

Acidic

Question 31

Salivary amylase enzyme in saliva breaks down...

Answer 31

Carbohydrates

Question 32

The pharynx is lined with...

Answer 32

Stratified squamous epithelium

Question 33

Layer of mucosa that lines lumen of the GI tract

Answer 33

Stratified squamous epithelium

Question 34

Attachment and adhering layer of mucosa

Answer 34

Lamina propria

Question 35

Layer of mucosa with smooth muscle fibers

Answer 35

Muscularis mucosae

Question 36

The most superficial layer of tissue of digestive tract

Answer 36

Mucosa

Question 37

Middle tissue layer of GI tract

Answer 37

Submucosa