Digestive

Question 1

Gastrin, Pepsin, Secretin, CCK

Answer 1

Gastrin - stimulates secretion of gastric acid. Released by pyloric atrium of stomach, duodenum, and pancreas

Pepsin- Enzyme that breaks down proteins into small peptides. Produced in the stomach

Secretin- polypeptide hormone produced in the duodenum, especially on contact with acid, that stimulates secretion of pancreatic juice.

CCK- a peptide hormone of the gastrointestinal system responsible for stimulating the digestion of fat and protein. Secreted by enteroendocrine cell sin the duodenum. Causes release of digestive enzymes and bile from pancreas and gall bladder

Question 2

Purpose of hepatic portal system

Answer 2

It is responsible for directing blood from parts of the GI tract to the liver. Substances absorbed in the small intestine travel first to the liver for processing before continuing to the heart

Question 3

Breaks of large molecules

Answer 3

hydrolysis

Question 4

Sheet of serous membrane that holds things in place

Answer 4

mesentary

Question 5

Vitamin B12 intrinsic factor

Answer 5

asd

Question 6

Bile

Answer 6

emulsifies fat

Question 7

Goblet cells

Answer 7

secretes the mucus to protect the lining of the intestine and helps neutralize stomach acid

Question 8

Role of bacteria in colon

Answer 8

further digest some material, creating gas. Bacteria in the large intestine also make some important substances, such as vitamin K

Question 9

Extrinsic

Answer 9

parasympathetic, vagus nerve is Intrinsic

Question 10

Sections of small intestine (in order)

Answer 10

Duodenum, Jejunum, Ileum

Question 11

Vomiting

Answer 11

emisis

Question 12

Chewing

Answer 12

Mastication

Question 13

Salivary Glands

Answer 13

Parotid, Submandibular, Sublingual

Question 14

Pancreas

Answer 14

secretes digestive hormones (alpha and beta cells found in islets)

Question 15

Parietal perituniumem

Answer 15

lines the internal surface of the abdominal wall

Question 16

Omentums

Answer 16

curvatures in the stomach

Question 17

papillae in tongue

Answer 17

Filiform- roughness used as hooks

fungiform- taste buds

Question 18

Lacteals

Answer 18

lymphatic vessel of the small intestine that absorbs digested fats

Question 19

what tissue is covering esophagus

Answer 19

fibruous

Question 20

Muscles of the large intestines

Answer 20

inner- circular

outer- longitudinal

Question 21

liver lobules

Answer 21

Hexagon shapes made hematocytea filters blood detoxifies stores vitamin stores bile duct

Question 22

Ligaments of liver

Answer 22

Right triangular, left triangular, Falciform, Round

Question 23

flow of bile

Answer 23

left and right hepatic ducts, common hepatic duct, cystic duct, bile duct

Question 24

bacteria that causes stomach ulcers

Answer 24

heliobaterpyloria

Question 25

pepsin

Answer 25

best in breaking down larger proteins (stomach)

Question 26

trypsin

Answer 26

best in breaking down in polypeptides (intestine)