Digestive System

Question 1

amylase

Answer 1

breaks starch into glucose and maltose

Question 2

peptidase

Answer 2

breaks proteins into amino acid monomers

Question 3

lipase

Answer 3

breaks lipids into fatty acids and glycerol

Question 4

sucrase

Answer 4

breaks sucrose into glucose monomers

Question 5

4 walls of alimentary canal (interior to exterior)

Answer 5

mucosa, submucosa, muscularis, serosa

Question 6

mucosa

Answer 6

contains simple columnar epithelium with micro villi, makes up villi, absorption, covered in mucous

Question 7

submucosa

Answer 7

irregular connective tissue, contains vessels where abosrbed nutrients are transported, mucous secreting glands

Question 8

muscularis

Answer 8

smooth muscle, contributes to peristalsis & segmentation

Question 9

serosa

Answer 9

secretes serous fluid to stop friction, connective and epithelial tissue

Question 10

enzyme present in saliva

Answer 10

amylase (complex carbs)

Question 11

sphincter from esophagus to stomach

Answer 11

lower esophageal (cardiac) sphincter

Question 12

stomach is location of beginning ______ digestion

Answer 12

protein

Question 13

gastric juice contains:

Answer 13

pepsinogen, pepsin, gastric lipase, hydrochloric acid, mucus

Question 14

pepsinogen in stomach

Answer 14

inactive pepsin, forms pepsin in presence of HCl

Question 15

pepsin in stomach

Answer 15

digests proteins

Question 16

gastric lipase in stomach

Answer 16

fat-splitting enzyme

Question 17

hydrochloric acid in stomach

Answer 17

low pH, acid destruction

Question 18

mucous in stomach

Answer 18

lubrication, protech stomach lining

Question 19

sphincter between stomach and small intestine

Answer 19

pyloric sphincter

Question 20

parts of small intestine

Answer 20

duodenum, jejunum, ileum

Question 21

ileocecal sphincter

Answer 21

joins illeum to cecum

Question 22

mesentery

Answer 22

membrane connecting folds of jejunum and illeum, has vessels and nerves

Question 23

small intestine mucous

Answer 23

secreted in respones to mechanical stimulaiton or in presence of gastric juice

Question 24

enzymes in membranes of microvilli in small intestine

Answer 24

sucrase, lipase, maltase, lactase, peptidase

Question 25

sucrase, lipase, lactase function

Answer 25

breakdown disaccharides into monosaccharides

Question 26

lipase

Answer 26

breaksdown lipids into fatty acids and glycerol

Question 27

peptidase

Answer 27

breaks down peptides into amino acids

Question 28

cecum

Answer 28

pouch forming beginning of large intestine, attaches to appendix

Question 29

ingredients of pancreatic juice

Answer 29

pancreatic amylase, pancreatic lipase, trypsin, nucleases, bicarbonate ions

Question 30

pancreatic amylase

Answer 30

splits starch and glycogen into monosaccharides

Question 31

pancreatic lipase

Answer 31

breaks down triglycerides

Question 32

trypsin

Answer 32

digests proteins

Question 33

nucleases

Answer 33

digests nucleic acids

Question 34

bicarbonate ions

Answer 34

buffer, alkaline

Question 35

bile salts job

Answer 35

emulsifying fats