Digestive System

Question 1

What are the 12 teeth used for mashing and grinding?

Answer 1

Molars

Question 2

What are the 8 teeth used for mashing and tearing?

Answer 2

Premolars

Question 3

What are the 4 teeth used for tearing?

Answer 3

Canines

Question 4

What are the 8 teeth used for cutting?

Answer 4

Insisors

Question 5

How many total teeth do adults have?

Answer 5

32

Question 6

How many baby teeth do we have?

Answer 6

20

Question 7

Where is the crown located?

Answer 7

Above the gumline

Question 8

Where is the root located?

Answer 8

Below the gumline

Question 9

What is enamel made out of?

Answer 9

calicum

Question 10

What is dentin?

Answer 10

soft bone

Question 11

What is pulp?

Answer 11

Marrow-like structure

Question 12

What does the root canal hold?

Answer 12

nerves and blood vessels

Question 13

What is the hard palate used for?

Answer 13

Mashing food

Question 14

What is the soft palate used for?

Answer 14

swallowing

Question 15

What are the two functions of the tongue?

Answer 15

Taste

Creating food boluses

Question 16

What are the 5 basic taste sensations?

Answer 16

Sour, Sweet, Salty, Bitter, umami

Question 17

What do the salivary glands do?

Answer 17

Contains enzyme amalyse for starch digestion

Question 18

What are the 3 salivary glands?

Answer 18

Parotid, sublinguial, Submandibular

Question 19

What are the three stages of swallowing?

Answer 19

Voluntary, pharyngeal, and esophageal

Question 20

What is peristalsis?

Answer 20

Involuntary movement of the smooth muscle which moves food through the digestive system

Question 21

What are rugae?

Answer 21

Folds in stomach

Question 22

What is contained on the inner layer of the stomach?

Answer 22

Mucosa-digestive enzymes

Question 23

What is located in the middle layer of the stomach?

Answer 23

Sub-mucosal blood vessels

Question 24

Where is the pyloric sphincter?

Answer 24

Between the stomach and small intestine

Question 25

What organ filters the blood, removing toxins and ammonia?

Answer 25

Liver

Question 26

What does the liver store?

Answer 26

vitamins and glycogen

Question 27

How does the liver relate to the gall bladder?

Answer 27

Secretes bile to gall bladder

Question 28

What does bile do?

Answer 28

Emulsifies fats in duodenum

Question 29

What is the accepted age of the earth?

Answer 29

4.5 billion years

Question 30

What does the liver do in regards to substances?

Answer 30

Turns hydrophobic substances to hydrophilic substances

Question 31

What is a universal digestive gland that secretes digestive enzymes for all nutrient molecules?

Answer 31

Pancreas

Question 32

What does the pancreas do in regards to PH?

Answer 32

Secretes bicarbonate ions to neutralize stomach acids in the small intestine

Question 33

Where is the main site of nutrient absorption?

Answer 33

Small intestine

Question 34

What is the length of the small intestine?

Answer 34

12 ft

Question 35

What are the 3 sections of the small intestine?

Answer 35

Duodenum, jejunum, ileum

Question 36

What is the lumen of the small intestine filed with?

Answer 36

Vili

Question 37

What is the primary function of the large intestine?

Answer 37

Water reabsorption

Question 38

How are wastes compacted?

Answer 38

When water is reabsorbed by the small intestine, the waste is concentrated and compacted

Question 39

What does the bacteria in the large intestine create?

Answer 39

Vitamin K

Question 40

What are the 6 structures of the large intestine?

Answer 40

``` Cecum Ascending colon Transverse colon Descending colon Sigmoid colon Rectume ```

Question 41

What forms the bulk of the human diet?

Answer 41

Carbohydrates

Question 42

What kind of carbs are healthy?

Answer 42

Complex (Branched)

Question 43

What reduces colon cancer?

Answer 43

Fiber

Question 44

What are the building blocks of protiens?

Answer 44

Amino acids

Question 45

Why are lipids important in regards to phospholipids?

Answer 45

Linoleic acid is needed for phospholipids

Question 46

What are the fat soluble vitamins?

Answer 46

``` Vitamin- K A D E ```

Question 47

What are the water soluble vitamins?

Answer 47

Vitamins B and C

Question 48

What do vitamins C and E do?

Answer 48

Fight free radicals

Question 49

What are the 3 main eating disorders?

Answer 49

Obesity, Bulimia, Anorexia