Lab 14

Question 1

Layers of the Digestive Wall

Answer 1

Mucosa- inner lining
Submucosa- lines the lumen and nerves
Serosa- outermost layer
Adventitia- connects esophagus to surrounding structures

Question 2

Tooth Types

Answer 2

Incisors
Canines
Premolars
Molars

Question 3

Infant dental formula

Answer 3

12/2, C1/1, P0/0, M2/2

Question 4

Adult dental formula

Answer 4

I2/2, C1/1, P2/2, M3/3

Question 5

Pathway of food through the digestive system

Answer 5

Esophagus, Stomach, Small intestine, Large intestine

Question 6

Mesenteries

Answer 6

hold the digestive organs in place and contain blood vessels, lymphatic vessels and nerves.

Question 7

Omentum

Answer 7

a mesentery which hangs free in the abdominal cavity or connects organs to each other

Question 8

Esophagus function

Answer 8

muscular tube that transports food to the stomach

Question 9

stomach function

Answer 9

Large crescent shaped organ located in the abdominal cavity that digests proteins and mixes the food.

Question 10

small intestine function

Answer 10

primary digestive organ of the human body. Where chemical digestion of food is completed and the absorption of nutrients occurs.

Question 11

large intestine function

Answer 11

extends from the ileum to the anus. It is the absorption of water from the undigested food material.

Question 12

liver function

Answer 12

located beneath the diaphragm, function is the production and secretion of bile.

Question 13

gall bladder function

Answer 13

muscular sac attached to the liver. Bile produced in the liver is stored and concentrated in the gall bladder.

Question 14

Pancreas composition

Answer 14

2 distinct glandular tissues:
98% exocrine glands
2% endocrine glands

Question 15

Effects of Epinephrine on smooth muscle activity

Answer 15

there is a decrease

Question 16

Effects of Acetylcholine on smooth muscle activity

Answer 16

there is an increase