Quiz 8

Question 1

Identify the enzyme secreted by the salivary glands that begins the digestion of starch

Answer 1

Salivary amylase

Question 2

Movement of jaw and tongue to crush food in teeth

Answer 2

Mastication

Question 3

smooth muscle contractions to propel food through the canal

Answer 3

Peristalsis

Question 4

What are the 3 phases of swallowing?

Answer 4

Voluntary phase
Pharyngeal phase
Esophageal phase

Question 5

What lines the esophagus?

Answer 5

stratified squamous (nonkeratinized) cells

Question 6

Why is the lining of the esophagus important?

Answer 6

Protection against abrasion when food passes through

Question 7

Enzyme that chief cells release in the stomach

Answer 7

Pepsinogen, converts to pepsin

Question 8

What nutrient does pepsin digest?

Answer 8

Proteins (amino acids)

Question 9

What prevents the acidic gastric juices from damaging the stomach?

Answer 9

Surface mucous cell

Question 10

Slow the passage of the food along the intestines, and afford an increased surface for absorption

Answer 10

Circular folds, villi, microvilli

Question 11

What 2 types of cells line the mucosal layer of the large intestine?

Answer 11

Simple columnar, goblet cells

Question 12

Lubricate large intestine

Answer 12

Goblet cells

Question 13

Water absorption in large intestine

Answer 13

simple columnar epithelium

Question 14

Why is the pancreas and endocrine and exocrine gland?

Answer 14

secrete hormones and digestive juices

Question 15

Secretes Digestive juices (pancreatic juice) through the pancreatic duct into the duodenum; breaks down food

Answer 15

Exocrine

Question 16

Secreted hormones (insulin and glucagon) directly into the bloodstream

Answer 16

Endocrine

Question 17

Secretes alkaline fluid containing mucin

Answer 17

Surface mucous cell

Question 18

Pancreatic cells that make enzymes to break down food; exocrine

Answer 18

Pancreatic acini

Question 19

Describe the duct system of how pancreatic juices flow into the duodenum

Answer 19

Pancreatic juice goes to pancreatic duct then to duodenum

Question 20

Describe how bile juices flow into the duodenum

Answer 20

Bile goes to the bile duct then common hepatic duct then cystic duct then emptied into gallbladder, then down to bile duct to duodenum.