The Digestive System and Nutrition

Question 1

Roof of the mouth

Answer 1

Hard Palate and Soft Palate

Question 2

Salivary Glands

Answer 2

secrete salivary amylase

Question 3

The Pharynx

Answer 3

Area that receives both food and air from

nasal cavities

Question 4

Esophagus

Answer 4

Muscular tube passing from the pharynx

through the thoracic cavity to the stomach

Question 5

Layers of the digestive tract

Answer 5

Mucosa, Submucosa, Muscularis, Serosa

Question 6

Mucosa

Answer 6

lines the lumen

Question 7

Submucosa

Answer 7

Highly vascularized

connective tissue

Question 8

Muscularis

Answer 8

Smooth Muscle

Question 9

Serosa

Answer 9

outermost layer with epithelium

and connective tissue

Question 10

Stomach

Answer 10

Digests predominantly protein in a strongly

acidic environment. Columnar epithelium line gastric pits

Question 11

Small Intestine

Answer 11

Most Nutrients are absorbed in the small 
intestine
– Duodenum
– Jejunum 
– Ileum

Question 12

Gastrin

Answer 12

Produced by stomach increase stomach activity and secretion

Question 13

Gastric inhibitory peptide (GIP)

Answer 13

Produced by duodenum – decreases stomach activity

Question 14

Secretin

Answer 14

Duodenum – increase bile and pancreatic secretion

Question 15

Cholecystokinin (CCK)

Answer 15

Duodenum – increase bile and pancreatic secretion

Question 16

Large Intestine divided into

Answer 16

Divided into
– Ascending
– Transverse
– Descending
– Sigmoid

Question 17

The Pancreas

Answer 17

Insulin
• Glucagon
• Pancreatic Amylase
• Trypsin
• Lipase