Chapter 24

Question 1

What is the alimentary canal

Answer 1

another name for the digestive tract

Question 2

What are salivary Iga’s

Answer 2

antibodies produced in the mouth that protect against microbial pathogens

Question 3

How many teeth does an adult typically have

Answer 3

32

Question 4

how many teeth does a child usually have

Answer 4

20

Question 5

which salyzia gland produces 70% of total saliva

Answer 5

Submandibular gland

Question 6

which saliva gland produces 25% of saliva

Answer 6

Parotid gland

Question 7

which saliva gland only produces 5 % of total saliva

Answer 7

sublingual gland

Question 8

what are the four layers of the gi tract starting from deepest to superficial

Answer 8

Mucosa
submucosa
muscular
serosa

Question 9

What are the three layers of the mucosa

Answer 9

Inner epithelial lining
lamina propria
muscularis mucosa

Question 10

what are the two layers of the muscularis and which one is on the inside

Answer 10

circular and longitudinal muscle layers with the circular muscle on the inside of the longitudinal

Question 11

what are the two layers of the serosa

Answer 11

inner epithelial lining
outer layer of connective tissue

Question 12

which part of the peritoneum attaches the stomach to the liver

Answer 12

lesser omentum

Question 13

what part of the peritoneum wraps around the small intestine and attaches it to the dorsal body wall

Answer 13

mesentery proper

Question 14

what part of the peritoneum attaches the large intestine to the body wall

Answer 14

mesocolon

Question 15

which layer of smooth muscle is only found in the stomach

Answer 15

oblique muscle layer

Question 16

what is food called when it leaves the stomach

Answer 16

Chyme

Question 17

which cells in the stomach produce gastric lipase and pepsinogen

Answer 17

Chief cells

Question 17

which cells in the stomach produce gastric lipase and pepsinogen

Answer 17

chief cells

Question 18

which cell in the stomach produces HCL and intrinsic factor

Answer 18

parietal cells

Question 19

What does gastrin do

Answer 19

increases stomach motility and stimulates gastric acid and enzyme production

Question 20

what stimulates the release of gastrin

Answer 20

when food arrives in the stomach and when cells of the duodenum are exposed to large quantities of incompletely digested proteins

Question 21

what secretes gastrin

Answer 21

g cells in the pyloric antrum and cells in the duodenum

Question 22

what does secretin do

Answer 22

it increases the production of buffer by the pancreas which raises pH of food
decreases gastric motility and secretions

Question 23

what stimulates the release of secretin

Answer 23

when chyme arrives in the duodenum

Question 24

What does Gastric Inhibitory Peptide do

Answer 24

it inhibits gastric activity and stimulates the release of insulin

Question 25

What does Gastric Inhibitory Peptide do

Answer 25

it inhibits gastric activity and stimulates the release of insulin

Question 26

What stimulates the release of GIP

Answer 26

When fats and carbohydrates enter the small intestine

Question 27

what does Cholecystokinin CCK do

Answer 27

it increases the secretion of pancreatic enzymes and and pushes those enzymes and bile into the duodenum
also reduces sensation of hunger

Question 28

what stimulates the release of CCK

Answer 28

when chyme arrives in the duodenum that contains lipids and partially digested proteins

Question 29

What does vasoactive intestinal peptide do

Answer 29

stimulates intestinal glands
dilates capillaries to make nutrient absorption easier
inhibits acid production in the stomach

Question 30

what does enterocrinin do

Answer 30

stimulates the release of alkaline mucus to raise the pH of chyme