Digestive lec 3

Question 1

Small intestne

Answer 1

3 portions Duodenum, Jejunum, Ileum
digestion and absorption
10-15 feet long

Question 2

Duodenum

Answer 2

First portion of small intestine
Receives chyme from stomach
Secretions from liver, gallbladder, and pancreas

Question 3

Jejunum

Answer 3

chemical digestion and absorption

Question 4

Ileum

Answer 4

Joins large intestine at Cecum
absorption of nutrients continues

Question 5

Plicae Circulares

Answer 5

circular folds in mucosal layer of small intestine

Question 6

Villi

Answer 6

finger-like extensions in folds
blood vessels for absorption of nutrients
Lacteals for absorption of lipids

Question 7

Large Intestine

Answer 7

Begins at Cecum
converts chyme to feces, released by defecation

Question 8

Vermiform Appendix

Answer 8

attached to cecum
lymphatic nodules destroy pathogens

Question 9

Anal Sphincters

Answer 9

end of large intestine
Internal – involuntary smooth muscle
External – voluntary skeletal muscle

Question 10

Motility

Answer 10

Peristalsis slow and weak

Question 11

Defecation Reflux

Answer 11

urge to defecate

Question 12

Intestinal Flora

Answer 12

Produce vB/vK
breakdown remaining carbs, lipids, and protiens in form of feces
produce CO2

Question 13

4 Lobes of the liver

Answer 13

right
left
caudate
quadrate

Question 14

Hepatic Portal Vein

Answer 14

Collects nutrients from intestines and transport them to liver

Question 15

Where is bile made?

Answer 15

Liver

Question 16

How much bile is made per day?

Answer 16

almost 1L

Question 17

bile description

Answer 17

yellow-green alkaline solution
Emulsifies lipids
carries waste and bilirubin to be removed by fecal matter

Question 18

bile is stored in?

Answer 18

Gall bladder

Question 19

Pancreas release

Answer 19

Insulin and Glucagon
1% is endocrine
secretions are alkaline to neutralize chyme from stomach

Question 20

Pancreatic Amylases digest

Answer 20

Carbs

Question 21

Pancreatic Lipases digest

Answer 21

Lipids

Question 22

Trypsin and chymotrypsin break amino acid bonds in?

Answer 22

Proteins

Question 23

Pancreatic Nucleases chemically digest?

Answer 23

Nuclei Acids