Digestion

Question 1

Phases of digestion?

Answer 1

Ingestion
Movement
Mechanical and Chemical digestion
Absorption
Elimination

Question 2

Two main types of digestion?

Answer 2

Mechanical and Chemical

Question 3

Mechanical examples

Answer 3

Chewing
Tear
Grind
Mash

Question 4

Four layers of Alimentary Canal?

Answer 4

Serosa Layer
Muscular Layer
Submucosa
Mucosa

Question 5

How long is the average adult’s digestive tract?

Answer 5

30 feet or 9 meters in length

Question 6

How long does it take for food to move through the stomach & small intestines?

Answer 6

6-8 hours

Question 7

Which hormone stimulates hunger?

Answer 7

Ghrelin

Question 8

Which hormone suppresses appetite?

Answer 8

Peptide YY

Question 9

What nutrient components are proteins broken down into by the digestive system?

Answer 9

Amino Acid

Question 10

Fatty Acids & Glycerol are the building blocks of what?

Answer 10

Fats

Question 11

Simple Sugars are the building blocks of what?

Answer 11

Carbohydrate

Question 12

How many 8-ounce servings of water should be consumed daily – at a minimum?

Answer 12

Eight

Question 13

Health experts generally recommend that Americans increase their intake of which of the following?

Answer 13

Fiber

Question 14

Which of the following frequently causes obstructions in the small intestines?

Answer 14

Adhesion, Tumor, Hernia

Question 15

Serosa layer is the? Function?

Answer 15

Outermost layer

Moisten and protect

Question 16

Muscular layer function?

Answer 16

Contracts and expands

Question 17

Submucosa layer function? Contain?

Answer 17

Contain lymph, nerves and glands that nourish and carry away waste

Question 18

Mucosa layer is the? Function?

Answer 18

Innermost layer

Secrete mucus, digestive enzymes

Question 19

What tonsil play a big role in immune system?

Answer 19

Lingual, Palatine

Question 20

Ridges on the hard palate are called?

Answer 20

Rugae

Question 21

The tongue mixes food with?

Answer 21

Saliva

Question 22

Amylase breaks down?

Answer 22

Starches

Question 23

Term for swallowing?

Answer 23

Deglutition

Question 24

Food is called what after swallowing?

Answer 24

Bolus

Question 25

What connects the tongue to the floor of the mouth?

Answer 25

Lingual frenum

Question 26

How long is the esophagus?

Answer 26

10 inches

Question 27

Function of esophagus?

Answer 27

Secrete, move food by peristalsis,

Question 28

Stomach is loacted where?

Answer 28

Left hypochondriac region

Question 29

Bolus mixed with gastric juice is called?

Answer 29

Chyme

Question 30

What is gastrin?

Answer 30

Increase gastric juices released

Question 31

Cardiac region of the stomach?

Answer 31

Closest to the heart

Question 32

Fundus region of the stomach?

Answer 32

Upper rounded portion

Question 33

Body of the stomach?

Answer 33

Majority of the stomach

Question 34

Pyloric region of the stomach?

Answer 34

Narrowed bottom part that empty into small intestine

Question 35

What controls the emptying into the stomach?

Answer 35

Pyloric sphincter

Question 36

Three parts of small intestine?

Answer 36

Duodenum, Jejunum, Ileum

Question 37

Mesentery

Answer 37

Holds small intestine together

Question 38

Lesser omentum starts and stops where?

Answer 38

Stomach, liver, top of intestine

Question 39

Great omentum starts and stops where?

Answer 39

Covers majority of small and large intestine

Question 40

The small intestine is how long?

Answer 40

22ft long

Question 41

Parts of the large intestine?

Answer 41

Cecum, ascending colon, transverse colon, descending colon, sigmoid, rectum

Question 42

Undigested waste that couldnt be absorbed can stay in the large intestine for how long?

Answer 42

12-24 hours

Question 43

What hangs from the cecum?

Answer 43

Appendix

Question 44

How long is the large intestine?

Answer 44

5 ft

Question 45

What is found only in the Ileum?

Answer 45

Peyers patches

Question 46

Peyers patches does what?

Answer 46

Catch bacteria from going backwards

Question 47

Duodenum is always in what layer?

Answer 47

Submucosa