Chapter 5

Question 1

Absorption

Answer 1

Passage of materials through the walls of the small intestines into the bloodstream

Question 2

Amino Acids

Answer 2

Small building blocks of proteins released when proteins are digested

Question 3

Amylase

Answer 3

Enzyme secreted by the pancreas and salivary glands to digest starch

Question 4

Anus

Answer 4

Terminal end or opening of the digestive tract to the outside of the body.

Question 5

Appendix

Answer 5

Blind pouch hanging from the cecum. Literally means hanging onto.

Question 6

Bile

Answer 6

Digestive juices made in the liver and stored in the gallbladder. Breaks up large fat globules.

Question 7

Bilirubin

Answer 7

Pigment released by the liver in the bile

Question 8

Bowel

Answer 8

Intestine

Question 9

Canine teeth

Answer 9

Pointed, dog-like teeth next to the incisors

Question 10

Cecum

Answer 10

First part of the large intestine

Question 11

Colon

Answer 11

Portion of the large intestine consisting of the ascending, transverse, descending and sigmoid segments.

Question 12

Common bile duct

Answer 12

Carries from the liver and gallbladder to the duodenum. Also called the choledochus

Question 13

Defecation

Answer 13

Elimination of feces from the digestive tract through the anus

Question 14

Deglutition

Answer 14

Swallowing

Question 15

Dentin

Answer 15

Primary material found in teeth. It is covered by the enamel in the crown and a protective layer of cementum in the root.

Question 16

Digestion

Answer 16

Breakdown of complex foods to simpler forms

Question 17

Duodenum

Answer 17

First part of the small intestine. Duo=2 Den=10; the duodenum measures 12 inches long

Question 18

Elimination

Answer 18

Act of removal of materials from the body; in the digestive system, the removal of indigestible materials as feces

Question 19

Emulsification

Answer 19

Physical process of breaking up large fat globules into smaller globules, thereby increasing the surface area that enzymes can use to digest the fat

Question 20

Enamel

Answer 20

Hard, outermost layer of a tooth

Question 21

Enzyme

Answer 21

Chemical that speeds up a reaction between substances. Digestive enzymes break down complex foods to simpler substances. Enzymes are given names that end in -ase.

Question 22

Esophagus

Answer 22

Tube connecting the throat to the stomach. Eso- means inward; phag/o means swallowing.

Question 23

Fatty acids

Answer 23

Substances produced when fats are digested. Fatty acids are a category of lipids

Question 24

Feces

Answer 24

Solid waste

Question 25

Gallbladder

Answer 25

Small sac under the liver, stores bile

Question 26

Glucose

Answer 26

Simple sugar

Question 27

Glycogen

Answer 27

Starch; glucose is stored in the form of glycogen in liver cells

Question 28

Hydrochloric Acid

Answer 28

Substance produced in the stomach; necessary for digestion of food

Question 29

Ileum

Answer 29

Third part of the small intestine

Question 30

Incisor

Answer 30

Any one of four front teeth in the dental arch

Question 31

Insulin

Answer 31

Hormone produced by the endocrine cells of the pancreas

Question 32

Jejunum

Answer 32

Second part of the small intestine

Question 33

Lipase

Answer 33

Pancreatic enzyme necessary to digest food

Question 34

Liver

Answer 34

Large organ located in the RUQ of the abdomen.

Question 35

Lower Esophageal Sphincter

Answer 35

Ring of muscles between the esophagus and the stomach

Question 36

Mastication

Answer 36

Chewing

Question 37

Molar Teeth

Answer 37

Sixth, Seventh and eighth teeth from the middle on either side of the dental arch

Question 38

Palate

Answer 38

Roof of the mouth

Question 39

Pancreas

Answer 39

Organ behind the stomach

Question 40

Papillae (single: papilla)

Answer 40

Small projections on the tongue

Question 41

Parotid gland

Answer 41

Salivary glands within the cheek, just anterior to the ear

Question 42

Peristalsis

Answer 42

Rhythmic contractions of the tubular organs

Question 43

Pharynx

Answer 43

Throat, the common passageway for for food from the mouth and for air from the nose

Question 44

Portal vien

Answer 44

Large vein bringing blood to the liver from the intestines

Question 45

Protease

Answer 45

Enzyme that digests protein

Question 46

Pulp

Answer 46

Soft tissue within a tooth, containing nerves and blood vessels

Question 47

Pyloric sphincter

Answer 47

Ring of muscles at the end of the stomach near the duodenum

Question 48

Pylorus

Answer 48

Distal region of the stomach, opening to the duodenum

Question 49

Rectum

Answer 49

Last section of the large intestine, connecting the end of the colon and anus

Question 50

Rugae

Answer 50

Ridges on the hard palate and the wall of the stomach

Question 51

Saliva

Answer 51

Digestive juice produced by salivary glands

Question 52

Saliva glands

Answer 52

Parotid, sublingual and submandibular glands

Question 53

Sigmoid colon

Answer 53

Fourth and last, S-shaped segment of the colon, just before the rectum; empties into the rectum

Question 54

Sphincter

Answer 54

Circular ring of muscle that constricts a passage or closes a natural opening

Question 55

Stomach

Answer 55

Muscular organ that receives food from the esophagus

Question 56

Triglycerides

Answer 56

Fat molecules composed of three parts fatty acids one part glycorol

Question 57

Uvula

Answer 57

Soft tissue hanging form the middle of the soft palate

Question 58

Villi (singular villus)

Answer 58

Microscopic projections in the wall of the small intestine that absorb nutrients into the blood stream