Monogastric Animal Digestive System

Question 1

What are some monogastric animals?

Answer 1

Pigs, horses, humans, dogs, cats, poultry

Question 2

The monogastric digestive system utilizes what?

Answer 2

Grains

Question 3

The monogastric digestive system uses fibrous feeds how?

Answer 3

Poorly

Question 4

Monogastric digestion begins in the what?

Answer 4

Mouth

Question 5

Pig saliva contains what enzyme?

Answer 5

Salivary amylase

Question 6

What is the motion that pushes food through the esophagus?

Answer 6

Peristalsis

Question 7

What is peristalsis

Answer 7

The motion that pushes food through esophagus?

Question 8

Why is the stomach in monogastrics so muscular?

Answer 8

It has to be muscular in order to “puff out” or “balloon” to make room for the food we eat

Question 9

What are the pH levels in the stomach?

Answer 9

1-2

Question 10

What enzyme is in the mouth

Answer 10

Amylase

Question 11

What is the enzyme in the small intestine?

Answer 11

Alkaline

Question 12

What are the functions of the stomach?

Answer 12

1. Stores ingested food
2. Physcial breakdown of food
3. Secretes digestive juices

Question 13

What are the stomach regions

Answer 13

1. Esophageal region
2. Cardiac Region
3. Fundic Region
4. Pyloric Region

Question 14

What is the espophagial region of the stomach?

Answer 14

Where food is exposed to the stomach

Question 15

What is the caridac region of the stomach?

Answer 15

It makes a mucus lining, it makes the inside of the stomach slippery, acting as a protectant lining

Question 16

What is the fundic region of the stomach?

Answer 16

Pepsinogen (pepsin) is produced here

Question 17

What is the pyloric region of the stomach?

Answer 17

It creates mucus and enzymes, and it is right before the small intestine

Question 18

What are the 3 regions of the small intestine?

Answer 18

1. Duodenum
2. Jejunum
3. Ileum

Question 19

What is the functions of the duodenum?

Answer 19

It receives secretions from the pancreas and liver

Question 20

What is the active site of digestion?

Answer 20

The duodenum

Question 21

What is the functions of the jejunum?

Answer 21

It’s the active site of absorption

Question 22

Where does digestion NOT happen?

Answer 22

The Jejunum

Question 23

What is the functions of the ileum?

Answer 23

It absorbs nutrients

Question 24

What does the vili do?

Answer 24

1. It lines the intestional wall
2. Increases absorption capacity of the small intestine by 10x

Question 25

What is the pH level in the small intestine?

Answer 25

6-7

Question 26

What are the 3 regions of the large intestine?

Answer 26

1. Cecum
2. Rectum
3. Colon

Question 27

What is the cecum called in humans?

Answer 27

The appendix

Question 28

What are the functions of the large intestine?

Answer 28

1. Stores undigested food
2. Bacterial fermentation
3. Some water absorption
4. Mineral absorption
5. Very little nutrient absorption

Question 29

What is the anus?

Answer 29

Where waste materials are secreted?

Question 30

What digestive enzymes are secreted in the stomach?

Answer 30

Pepsin and gastrin
-Pepsin breaks down polypeptides

Question 31

What gastric juices are secreted in the stomach?

Answer 31

Hydrochloric acid and mucus
- HCL assists in curdling of milk

Question 32

What nutrient is not broken down in the stomach?

Answer 32

Protien

Question 33

What enzymes are located in the duodenum, and what do they do?

Answer 33

Panceas = lipase, which breaks down fats into fatty acids
Liver= bile that emulsifies fat