ch.24 digestive system

Question 1

what organ is primarily responsible for water absorption?

Answer 1

small intestine

Question 2

what are haustra?

Answer 2

expansible pouches of the colon

Question 3

what are the functions of the tongue

Answer 3

aiding in speech
manipulation of food
the mechanical process of food
sensory analysis of food

Question 4

what hormone stimulates secretion and contraction by the stomach

Answer 4

gastrin

Question 5

blockage if the common hepatic duct would interfere with the digestion of what?

Answer 5

fats

Question 6

what are the products if fat transported initially by

Answer 6

lymphatic vessels

Question 7

what does the pancreas produce?

Answer 7

lipases and amylase
nucleases
peptides and proteinases
sodium bicarbonate

Question 8

what do parietal cells secrete?

Answer 8

hydrochloric acid

Question 9

parietal

Answer 9

relating to body cavity

Question 10

what does cholecystokinin do

Answer 10

causes the gallbladder to contract

Question 11

what do the circular folds and intestinal villi do?

Answer 11

increase the surface area of the mucosa of the small intestine

Question 12

teeth with flattened crowns and prominent ridges that area adopted for crushing and grinding

Answer 12

molars

Question 13

what is the portion of the small intestine that attaches to the cecum?

Answer 13

ileum

Question 14

what is the jejunum of the small intestine?

Answer 14

the middle

Question 15

what is the duodenum of the small intestine?

Answer 15

at the pylorus (stomach), the beginning of the small intestine

Question 16

what does digestion refer to?

Answer 16

mechanical and chemical breakdown of the food

Question 17

what is the pouchlike structure that joins the ileum at the ileocecal valve?

Answer 17

the cecum

Question 18

what do the G cells of the stomach secrete?

Answer 18

gastrin

Question 19

what are also known as canines?

Answer 19

cuspids

Question 20

carbohydrate digestion begins at the…

Answer 20

mouth

Question 21

what does the parotid gland do?

Answer 21

empties into the oral cavity at the level of the second upper molar

Question 22

where is bile stored?

Answer 22

gallbladder

Question 23

what does the pyloric sphincter do?

Answer 23

regulates gastric emptying

Question 24

what organ is responsible for the dehydration and compaction of the indigestible materials?

Answer 24

large colon

Question 25

what do chief secrete?

Answer 25

pepsinogen

Question 26

an enzyme that digests proteins into peptides

Answer 26

trypsin

Question 27

a disease that attacks and disables the myenteric plexus would______

Answer 27

decrease intestinal motility

Question 28

what is a accessory organ of digestion?

Answer 28

pancreas

Question 29

what digestive juice contains enzymes that break down carbohydrates, lipids, and proteins?

Answer 29

pancreatic juice

Question 30

how is the stomach different?

Answer 30

it has three layers of muscle in the muscular

Question 31

what is the fundus?

Answer 31

part of the stomach that is superior to the junction between the stomach and the esophagus

Question 32

what is the falciform ligament?

Answer 32

the structure that marks the division between the right and left lobes of the liver

Question 33

what is the intestinal hormone that gallbladder to release bile?

Answer 33

cholecystokinin

Question 34

what are the waves of muscular contraction that propel the contents of the digestive tract called?

Answer 34

peristalsis

Question 35

to which region of the stomach does the esophagus connect?

Answer 35

cardia

Question 36

the pylorus empties into the

Answer 36

duodenum

Question 37

what is the appendix?

Answer 37

a small, wormlike structure attached to the posteromedial surface of the cecum

Question 38

what is the function of the large intestine?

Answer 38

reabsorption of water and compaction of the feces

Question 39

hydrochloric acid from the stomach is neutralized in the small intestine by what?

Answer 39

bicarbonate from the pancreas

Question 40

the part of the tooth that contains blood vessels and nerves

Answer 40

pulp cavity

Question 41

the region of the stomach that empties into the duodenum is the______

Answer 41

pylorus

Question 42

what does increased secretion by the salivary glands result from?

Answer 42

parasympathetic stimulation

Question 43

what does amylase digest?

Answer 43

polysaccharides

Question 44

what are the prominent ridges in the lining of the empty stomach called?

Answer 44

rugae

Question 45

what is the common bile duct?

Answer 45

the fusion of the common hepatic duct and the cystic duct

Question 46

the crown of the tooth is covered by___________

Answer 46

enamel

Question 47

blade-shaped teeth that function in cutting or clipping

Answer 47

incisors

Question 48

what does pepsin digest?

Answer 48

proteins

Question 49

pointed teeth that are adapted for tearing and slashing

Answer 49

cuspids