Digestive Organs

Question 1

What does the oral cavity/buccal cavity contain?

Answer 1

Mouth, lips and cheeks, palate , Tongue, salivary gland’s, teeth

Question 2

Where is the lingual frenulum located in the mouth?

Answer 2

The floor of the mouth under the tongue

Question 3

I muscular tube that is about 10 inches in link that connects the mouth/pharynx to the stomach

Answer 3

Esophagus

Question 4

This helps prevent backflow of stomach acid into Esophagus

Answer 4

Lower Esophageal sphincter

Question 5

This is a muscular sac that stores and primarily digest food

Answer 5

Stomach

Question 6

Food is broken down into a substance called what

Answer 6

Chyme

Question 7

The stomach is composed of what for layers?

Answer 7

Cardia
Fundus
Body
Pylorus

Question 8

What does the crisscross pattern on the inside of the stomach do for food?

Answer 8

It allows the stomach to contract and grind as it processes food

Question 9

This helps the stomach expand when the stomach is full

Answer 9

Rugae

Question 10

How big is an adult empty stomach and how big is it after eating?

Answer 10

Empty stomach – 50 mL

Full stomach -1.5 mL

Question 11

The gastric glands of the stomach produce gastric juices that are composed of what for different types of cells?

Answer 11

Mucous neck cells
Parietal cells
Chief cells
Enterinendocrine cells

Question 12

These cells secrete mucus which protects the stomach lining and keeps stomach from digesting itself

Answer 12

Mucous cells

Question 13

These cells secrete hydrochloric acid and absorbs vitamin B 12 it also helps kill microbes and swallowed food

Answer 13

Parietal cells

Question 14

These cells secrete digestive enzymes such as Pepsinogen

Answer 14

Chief cells

Question 15

These cells secrete a hormone that increases appetite and helps digestive function

Answer 15

Enterinendocrine cells

Question 16

The gastric juices of the stomach is controlled by what?

Answer 16

Hormones, nerves

Stimuli in the brain, stomach and small intestine

Question 17

The gastric secretion of the stomach consists of what three phases?

Answer 17

Cephalic phase
Gastric phase
Intestinal phase

Question 18

What are the accessory organs?

Answer 18

Liver gallbladder and pancreas

Question 19

The liver is how many pounds?

Answer 19

3 to 4 pounds

Question 20

What is the role of the liver within the body?

Answer 20

Detoxification of the blood, intake of protein, creation of hormones and molecules

Question 21

This produces bile

Answer 21

Liver

Question 22

What stores bile?

Answer 22

Gallbladder

Question 23

What is bile?

Answer 23

It is a yellowish green fluid that contains salt and cholesterol

Question 24

What is the function of bile?

Answer 24

Make into lipids/fats

Question 25

This delivers oxygenated Blood from the aorta to the liver

Answer 25

Hepatic artery

Question 26

Carries oxygen blood from the digestive organs and spleen to the liver

Answer 26

Portal vein

Question 27

This organ secretes insulin/Glucagon

Answer 27

Pancreas

Question 28

The Pancrease creates and secretes what pancreatic juices?

Answer 28

Water Digestive enzymes Electrolytes - bicarbonate ions

Question 29

This pancreatic juice assist in chemical digestion in the small intestine

Answer 29

Digestive enzymes

Question 30

Three types of digestive enzymes?

Answer 30

Amylase Lipases Pro teases

Question 31

Bicarbonate ions do what?

Answer 31

Help neutralize the pH of the chyme

Question 32

These cells secrete digestive enzymes The enzymes help break down lipids, proteins, and carbohydrates

Answer 32

Acinar cells

Question 33

Epithelial cells and pancreatic ducts secrete what?

Answer 33

Secrete sodium bicarbonate

Question 34

What does bile reach the gallbladder?

Answer 34

Through a series of ducts (right and left hepatic ducts)

Question 35

Bile then goes down the common hepatic duct and that gen down the common bile duct then backs up into the what?

Answer 35

Cystic duct and then Into the gallbladder

Question 36

This controls the flow of bile and pancreatic juices into the duodenum

Answer 36

Hepatopancreatic sphincter

Question 37

WHat is the duodenum ? | What enters it?

Answer 37

The first 10inches of the small Intestine Bile and pancreatic juices enter here

Question 38

Allows for completion of chemical digestion and most all nutrient absorption

Answer 38

Small Intestine

Question 39

Small Intestine consists of how many layers ?

Answer 39

4

Question 40

About 8 ft in length | Suspended by the mesentery

Answer 40

Jejunum

Question 41

1to 4 ft in length | Joins the large intestine

Answer 41

Ileum

Question 42

What are three features in the small intestine to increase the mucosal surface area

Answer 42

Circular folds -folds of mucosa Villi -finger like extensions Microvilli -on the villi

Question 43

Intestinal lining contains these It slows the progress of chime and increases its contact with the mucosa

Answer 43

Circular folds

Question 44

Pores at the basis of the villi contain goblet cells that secrete mucus that helps the passage of food

Answer 44

Intestinal Crypts

Question 45

This is around the small intestine It absorbs remaining water with in the indigestible materials Stores indigestible food for a brief time Illuminates indigestible food as feces

Answer 45

Large intestine

Question 46

How many feet is the large intestine in length?

Answer 46

5ft

Question 47

This passes below the liver, stomach, and spleen

Answer 47

Transverse colon

Question 48

The large intestine begins in the blind pouch called what?

Answer 48

Cecum

Question 49

This part of the colon extends up toward the liver

Answer 49

Ascending colon

Question 50

This part of the colon extends down Ward along the left side of the abdominal cavity

Answer 50

Descending colon

Question 51

As part of the colon forms an S shape down the rectum

Answer 51

Sigmoid colon

Question 52

This is the last 7 to 8 inches of the intestine

Answer 52

Rectum

Question 53

This makes up the last inch of the rectum it opens up through the anus

Answer 53

Anal cavity