Ch.40 Digestion

Question 1

What are the six processes of digestion?

Answer 1

Ingestion
Secretion of enzymes
Motility
Digestion
Absorption
Elimination

Question 2

What plexuses make up enteric nervous system? What layers of GI?

Answer 2

Myenteric

Submucosal

Question 3

What do motor neurons do?

Answer 3

innervate the smooth muscle and secretions

Question 4

What do interneurons do?

Answer 4

allow plexuses to communicate

Question 5

What do sensory neurons do?

Answer 5

send information to the CNS, ANS, and both plexuses

Question 6

What is unique about enteric nervous system?

Answer 6

Can function independently

Question 7

What do myenteric neurons do?

Answer 7

control gastric motility

Question 8

What do submucosal neurons do?

Answer 8

control secretory cells

Question 9

How does the ANS relate to the ENS?

Answer 9

ANS helps control the ENS

Question 10

What do parasympathetic nerves do?What nerves?

Answer 10

Increases gut motility; sacral spinal cord &CN X

Question 11

What do sympathetic nerves do? What nerves?

Answer 11

Decreases gut motility; thoracic and lumber spinal cords