Chapter 23 - Digestive

Question 1

The two groups of organs in the digestive system?

Answer 1

Alimentary canal & accessory digestive organs

Question 2

Function of the alimentary canal?

Answer 2

Digests & absorbs food

Question 3

Accessory digestive organs

Answer 3

Teeth, tongue, gallbladder

Question 4

Accessory digestive glands

Answer 4

salivary glands, liver, pancreas

Question 5

What do accessory digestive glands do

Answer 5

Secrete enzymes into tube to help during absorption & digestion

Question 6

What is peritoneum

Answer 6

Serous membrane of abdominal cavity

Question 7

What are the peritoneum layers

Answer 7

Visceral peritoneum, peritoneal cavity, parietal peritoneum

Question 8

What is mesentary? Its purpose?

Answer 8

Fat blanket wrapped around intestines to prevent them from tangling

Question 9

What are peritoneal organs surrounded by?

Answer 9

peritoneum

Question 10

What does retroperitoneal mean

Answer 10

Behind peritoneum

Question 11

Name some retroperitoneal organs

Answer 11

Kidneys, part of duodenum, part of pancreas

Question 12

Name blood supply arteries

Answer 12

Hepatic, splenic, left gastric

Inferior & superior mesenteric

Question 13

When you combine all blood supply arteries they are called

Answer 13

Hepatic portal system

Question 14

What does the hepatic portal system do

Answer 14

Helps take food parts to the liver

Question 15

4 layers of the alimentary canal

Answer 15

Mucosa- simple columnar epi.
Submucosa- CT with ‘landmarks’
Smooth muscle- peristalsis, involuntary, sometimes a double layer
Serosa- ‘serran wrap’ that holds it in place

Question 16

What does the mucosa layer do

Answer 16

secretes mucus, enzymes, hormones & absorbs products

Question 17

Long ANS fibers synapse with

Answer 17

enteric plexuses [ducts]

Question 18

What do sympathetic impulses do

Answer 18

inhibit secretion/motility

Question 19

What do parasympathetic impulses do

Answer 19

impulses the stimulate

Question 20

The mouth is also known as the ____ cavity

Answer 20

buccal

Question 21

What is the attachment of each lip to the gum called

Answer 21

labial frenulum

Question 22

The hard palate consists of

Answer 22

maxilla & palatine bones

Question 23

The soft palate consists of

Answer 23

fold of skeletal muscle; uvula projects down

Question 24

Tongue’s function

Answer 24

forms food bolus, swallowing is pt. vountary pt. involuntary

Question 25

The surface of the tongue has

Answer 25

papillae

Question 26

White part of tongue that makes it rough/provides friction

Answer 26

filiform

Question 27

Red part scattered all over tongue

Answer 27

fungiform

Question 28

V shaped part on back of the tongue

Answer 28

vallate

Question 29

This part is on the sides of the tongue & is for food texture determination

Answer 29

Foliate

Question 30

What enzymes in the saliva begin starch breakdown?

Answer 30

amylase [salivary]

Question 31

What does amylase do?

Answer 31

Begins carb breakdown by turning polysaccharides into disaccharides & smaller polysaccharides