GI Tract

Question 1

The Large Intestine is involved in

Answer 1

Absorption of water, ions, Vitamin K

Question 2

What are the glands of the mouth?

Answer 2

• Parotid
• Submandibular
• Sublingual
• Von Ebner’s

Question 3

The Parotid Glands are found on the

Answer 3

Sides of the mouth

Question 4

The Parotid Gland releases

Answer 4

Serous fluid, which contains enzymes

Question 5

The Submandibular Gland produces how much saliva?

Answer 5

70%

Question 6

The Submandibular Gland secretes mainly

Answer 6

Serous fluid

Question 7

The Sublingual Gland is found below the

Answer 7

Tongue

Question 8

The Sublingual Gland secretes mostly

Answer 8

Mucin

Question 9

Von Ebner’s Gland releases

Answer 9

Lingual lipase

Question 10

Alpha Amylase is released by which glands?

Answer 10

• Parotid
• Submandibular
• Sublingual

Question 11

Sugar makes mouth more

Answer 11

Acidic

Question 12

The Upper esophageal sphincter is made of

Answer 12

Skeletal muscle

Question 13

The Lower esophageal sphincter has a sheet of

Answer 13

Muscle that lines the connection between the thoracic + abdominal cavity

Question 14

The diaphragm makes a ring around which sphincter?

Answer 14

Lower esophageal sphincter

Question 15

The top 1/3 of the esophagus is made of

Answer 15

Skeletal Muscle

Question 16

The middle 1/3 of the esophagus contains

Answer 16

Both skeletal and smooth muscle

Question 17

The bottom 1/3 of the esophagus is made of

Answer 17

Smooth muscle

Question 18

The stomach churns the bolus via its

Answer 18

Muscular walls

Question 19

Gastric wall has infoldings and layer of cells that

Answer 19

Secrete fluids

Question 20

What are the three types of stomach cells?

Answer 20

• Parietal
• Chief
• Mucus

Question 21

Parietal Cells release

Answer 21

HCl

Question 22

Chief cells secrete

Answer 22

Pepsinogen

Question 23

Mucus Cells release

Answer 23

Mucin

Question 24

Mucin is essential for the stomach since it

Answer 24

Protects it from degradation via Pepsin or HCl

Question 25

What are the only nutrients that are broken down in the stomach?

Answer 25

Stomach

Question 26

What are the three parts of the Small Intestine?

Answer 26

- Duodenum - Jejunum - Ileum

Question 27

Most of the absorption happens in which part of the Small Intestine?

Answer 27

Jejunum

Question 28

Vitamin absorption happens where in the Small Intestine?

Answer 28

Ileum

Question 29

The Duodenum is responsible for

Answer 29

Most of the digestion

Question 30

The Liver and Gallbladder deliver Bile to which part of the small intestine?

Answer 30

The Duodenum

Question 31

The Pancreas delivers its enzymes to the

Answer 31

Duodenum

Question 32

Proteins are broken down in the duodenum via

Answer 32

Brush border peptidases and pancreatic enzymes

Question 33

What are the pancreatic enzymes?

Answer 33

Trypsinogen + chymotrypsinogen

Question 34

Which pancreatic enzyme breaks down carbs?

Answer 34

Amylase

Question 35

What breaks down lactose?

Answer 35

The lactase found in the brush border

Question 36

Fats are emulsified by

Answer 36

Bile

Question 37

What breaks apart fatty acid chains?

Answer 37

Pancreatic lipase

Question 38

Nucleotides are broken by the brush border enzyme

Answer 38

Nucleosidase

Question 39

The Liver is an accessory organ that

Answer 39

- Allows for metabolism - Stores carbohydrates and fats when no metabolism - Processes proteins into albumin

Question 40

The detoxification of the liver is done by

Answer 40

Cytochrome enzymes

Question 41

Bile leaves the liver via

Answer 41

Common hepatic duct

Question 42

What supplies the liver with nutrient rich blood?

Answer 42

Portal Vein

Question 43

What supplies O2 rich blood to the liver?

Answer 43

Proper Hepatic Artery

Question 44

The blood leaves the liver via the

Answer 44

Hepatic Vein

Question 45

Hepatic Lobules are

Answer 45

Small units of the liver

Question 46

Bile Salts function to

Answer 46

Emulsify fats into micelles, which can be absorbed in the Ileum

Question 47

Bile is temporarily stored in the

Answer 47

Gallbladder

Question 48

Bile leaves when encountered with

Answer 48

CCK

Question 49

CCK is a hormone that forces the gallbladder to

Answer 49

Contract

Question 50

Bile salts + fats are absorbed in the

Answer 50

Ileum